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Synchronous Buck EVM Using the TPS5211
User's Guide
June 2000
Mixed-Signal Products
SLVU032
IMPORTANT NOTICE Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue any product or service without notice, and advise customers to obtain the latest version of relevant information to verify, before placing orders, that information being relied on is current and complete. All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those pertaining to warranty, patent infringement, and limitation of liability. TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with TI's standard warranty. Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily performed, except those mandated by government requirements. Customers are responsible for their applications using TI components. In order to minimize risks associated with the customer's applications, adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards. TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other intellectual property right of TI covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. TI's publication of information regarding any third party's products or services does not constitute TI's approval, warranty or endorsement thereof.
Copyright (c) 2000, Texas Instruments Incorporated
Related Documentation From Texas Instruments
Preface
Read This First
About This Manual
This user's guide describes how to connect and evaluate a synchronous-buck regulator using a TI TPS5211 high-frequency programmable-hysteretic regulator controller. The user's guide describes the TPS5211EVM-154 synchronous-buck converter evaluation module (SLVP154) that provides a convenient method for evaluating the performance of a synchronous-buck converter using the TPS5211 high-frequency programmable-hysteretic regulator controller designed to meet or exceed the Intel VRM8.2, VRM8.3, and VRM8.4 dc-dc converter electrical specifications. A complete designed and tested power supply is presented.
How to Use This Manual
This document contains the following chapters:
-
Chapter 1 Introduction Chapter 2 Schematic Chapter 3 Physical Layouts Chapter 4 Bills of Materials
Related Documentation From Texas Instruments
TPS5211 HIGH FREQUENCY PROGRAMMABLE HYSTERETIC REGULATOR CONTROLLER Data Sheet, Literature Number SLVS243
R. Miftakhutdinov and P. Rogers, Low-Cost Minimum Size Solution for Powering . . ., Analog Applications Journal, May 2000, pp. 14 - 18, Literature Number SLYT015
Read This First
iii
Trademarks
Related Documentation From Intel
FCC Warning
VRM 8.3 DC-DC Converter Design Guidelines Intel document Order number: 243870-001, June 1998. VRM 8.4 DC-DC Converter Design Guidelines Intel document Order number: 245335-001, November 1999.
This equipment is intended for use in a laboratory test environment only. It generates, uses, and can radiate radio frequency energy and has not been tested for compliance with the limits of computing devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable protection against radio frequency interference. Operation of this equipment in other environments may cause interference with radio communications, in which case the user at his own expense will be required to take whatever measures may be required to correct this interference.
trademarks
Celeron is a trademark of Intel Corporation.
iv
Running Title--Attribute Reference
Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 Performance Specification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 Voltage Identification Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 1-2 1-3 1-4
2
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.1 Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Physical Layouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.1 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.2 Assembly Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.3 Input/Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3-2 3-5 3-7
3
4
Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Figures
2-1 3-1 3-2 3-3 SLVP154 Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SLVP154 Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Assembly Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SLVP154 Input/Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 3-2 3-5 3-7
Tables
1-1 1-2 3-1 4-1 Performance Specification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage Identification Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drill Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SLVP154 Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 1-4 3-4 4-2
Contents
v
vi
Chapter 1
Introduction
This user's guide describes the TPS5211EVM-154 synchronous-buck converter evaluation module (SLVP154). The SLVP154 provides a convenient method for evaluating the performance of a synchronous-buck converter using the TPS5211 high-frequency programmable-hysteretic regulator controller. The TPS5211 meets or exceeds the Intel VRM8.3 and VRM8.4 dc-dc converter electrical specifications. A completely designed and tested power supply is presented. The power supply is a 5-V to 1.65-V step-down dc-dc EVM that can deliver up to 22 A of continuous output current and 26 A of peak transient current. Also included onboard is a 370-pin CeleronTM microprocessor socket and a transient load generator. The PWB board layout provides test points for viewing waveforms.
Topic
1.1 1.2 1.3
Page
Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Performance Specification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Voltage Identification Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Introduction
1-1
Background
1.1 Background
New high-performance microprocessors may require from 40 to 80 watts of power for the CPU alone. Load current must be supplied with up to 30 A/s slew rate while keeping the output voltage within tight regulation and response time tolerances. Parasitic interconnect impedances between the power supply and the processor must be kept to a minimum. Fast-responding synchronousbuck dc/dc converters controlled by the Texas Instruments TPS5211 hysteretic controller are ideally suited for microprocessor power applications requiring fast response and precise regulation to rapidly changing loads. Conventional synchronous regulator control techniques include fixed frequency voltage-mode, fixed frequency current-mode, variable frequency currentmode, variable on-time, or variable off-time. CPU power supplies that are designed using these types of control methods require additional bulk storage capacitors on the output to maintain VO within the regulation limits during the high di/dt load transients because of the limited bandwidth of the controller. Some controllers add a fast loop around the slower main control loop to improve the response time, but VO must deviate outside a fixed tolerance band before the fast loop becomes active. The hysteretic control method employed by the TPS5211 offers superior performance with no requirements for additional output capacitance or difficult loop compensation design. The TPS5211 controller was optimized for tight VO regulation under static and dynamic load conditions for improved system efficiency. The TP5211 can operate in systems that derive main power from 12 V or 5 V.
1-2
Introduction
Performance Specification Summary
1.2 Performance Specification Summary
This section summarizes the performance specifications of the SLVP154 converter. Table 1-1 gives the performance specifications of the converters.
Table 1-1. Performance Specification Summary (see Note 1)
SPECIFICATION Main power (VI) Input voltage range Static voltage tolerance Line regulation Load regulation Transient response Output current range Current limit Output ripple Soft-start risetime Operating frequency Efficiency, 22-A load Efficiency, 0.5-A load Notes: 1) 2) 3) 4) 5) 6) 7) 8) Designed to meet Intel VRM8.4 requirements for future Celeron processors in the PGA-370 package. The module is optimized for 5-V input. It can be modified to any voltage within the 4.5 V - 13 V range. VID inputs set for VREF = 1.65 V. Input voltage can be at any point over entire range. Droop compensation keeps the voltage within static tolerances with a minimum number of output capacitors. IO pulsed from 2.2 A to 26 A, di/dt = 30 A/s. IO can be at any point over entire range. Input voltage adjusted to 5 Vdc. See Note 3 See Note 3 5-V input 12-V input See Note 3 See Note 4 See Note 5 See Note 6 See Note 4 See Note 4 See Notes 4 and 7 See Note 8 120 -130 50 0 27 24 10 125 84% 53.8% 145 26 80 mV pk sec A A mV ms kHz TEST CONDITIONS See Note 2 MIN 4.5 4.5 11.4 1.57 5 12 1.65 0.05% TYP MAX UNITS 13 5.5 13 1.69 0.1% V V V V
Introduction
1-3
Voltage Identification Codes
1.3 Voltage Identification Codes
The output voltage is programmed by driving the 5 VID inputs. The output voltage for a given VID input is shown in Table 1-2.
Table 1-2. Voltage Identification Codes
VID Terminals (0 = GND, 1 = floating or pullup to 5 V) VID3 VID2 VID1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 VREF VID0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 (Vdc) 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80 1.85 1.90 1.95 2.00 2.05 No CPU 2.10 2.20 2.30 2.40 2.50 2.60 2.70 2.80 2.90 3.00 3.10 3.20 3.30 3.40 3.50
VID4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
1-4
Introduction
Chapter 2
Schematic
This chapter contains the schematic diagram for the SLVP154 EVM.
Topic
2.1
Page
Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
Schematic
2-1
Schematic Diagram
2-2
VOUT Q5 MTD3302 Q1 MTD3302 L2 1 uH J1 Vo GND + C7 560 uF C6 560 uF C8 560 uF C9 560 uF + + + R1 0.01 + R3 0.01 R4 10 C78 10 uF C5 10 uF R37 10 R5 0.01 R6 0.01 R7 3.3 R8 3.3 C3 470 uF C4 470 uF + C79 R38 4700 pF 2.7 C10 R2 4700 pF 2.7 Q2 SUD50N03 Q3 SUD50N03 GND R20 0 VOUT R21 NU R22 NU VOUT R10 150 VOUT RTN LODRV LOHIB DRVGND HISENSE VSENSE BOOTLO HIGHDRV LOSENSE VSENSE_HF J3 C12 1 uF C11 1 uF +12V PwrPad R9 NU C13 1 uF JP1 5V C16 0.033 uF R14 51 VID3 VID2 VID1 VID0 TPS5211PWP U1 R18 1.33 k R19 1.00 k R16 511 R15 20.0 k R17 1.00 k C18 2200 pF C14 1 uF C15 0.1 uF C17 1000pF R12 NU Notes 1) Remove jumpers from JP1 when using processor or processor load simulator. 2) SUD50N03 FETS can be used for Q1 and Q5.
L1 1 uH
J2
2.1 Schematic Diagram
Figure 2-1. SLVP154 EVM Schematic Diagram
+5V GND
+
+
R11 10.0 k 1%
C1 470 uF
C2 470 uF
GND
12V
5V
S1
ON
R13 11.0 k 1%
Figure 2-1 shows the SLVP154 EVM schematic diagram.
OFF
Schematic
VOUT TP1 C19 100 uF C21 100 uF C20 100 uF TP2 VOUT TP3 GND + + C27 10 uF C26 10 uF C25 10 uF C24 10 uF C23 10 uF C22 10 uF
+12V
+
JP2
C28 C29 C30 C31 C32 C33 C34 C35 C36 C37 C38
4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF
J4 NU 0.332 0.332 0.332 0.332 0.332
+12Vaux GND C50 10 uF C49 10 uF Fall Time Trim R23 R24 R25 R26 R27 D1 DL4148 Q4 IRF7811 R34 10K R35 50 0.1 uF C63 R28
C39 C40 C41 C42 C43 C44 C45 C46 C47 C48
4.7 uF 4.7 uF 4.7 uF 4.7 uF 4.7 uF 1 uF 1 uF 1 uF 1 uF 1 uF
R29 470 R33 5.1K ON U3 TLC555D C51 0.1 uF R31 100 Rise Time Trim 1 3 2 4
C62 C61 C60 C59 C58 C57 C56 C55 C54 C53 C52 R30 2.7 1 uF 1 uF 1 uF C64 2200 pF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF 1 uF Processer Bypass Caps 1 uF 1 uF 1 uF 1 uF GND 1 uF 1 uF C65 C66 C67 C68 C69 C70 C71 C72 C73 C74 C75
Figure 2-1. SLVP154 EVM Schematic Diagram (Continued)
D2 DL4148 OFF R36 NU 8 4 7 6 2 1 VCC 3 RESET OUT DISCH THRES 5 CTL TRIG GND C77 0.1 uF D3 DL4148
R32 12K
U2 TPS2812D 6 VDD VCC 8 GND REG 7 1IN 1OUT 5 2IN 2OUT
C76 0.1 uF
S2 Enable
Schematic
Schematic Diagram
2-3
Schematic Diagram
Figure 2-1. SLVP154 EVM Schematic Diagram (Continued)
VOUT
2-4
Schematic
VID0
VID1
VID2
VID3
Chapter 3
Physical Layouts
This chapter contains the board layout and I/O connection drawings for the SLVP154 EVM.
Topic
3.1 3.2 3.3
Page
Board Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Assembly Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Input/Output Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
Physical Layouts
3-1
Board Layout
3.1 Board Layout
The power supply module consists of one PWB. The 4-layer board is designed as the power supply section of a motherboard. This allows the EVM to be as close as possible to the actual application conditions. Figure 3-1 shows the four layers of the SLVP154 EVM board.
Figure 3-1. SLVP154 Board Layout
Top Layer (Top View)
Layer 2, Ground (Top View)
3-2
Physical Layouts
Board Layout
Figure 3-1. SLVP154 Board Layout (Continued)
Layer 3, Core Voltage (Top View)
Bottom Layer (Top View)
Physical Layouts
3-3
Board Layout
Figure 3-1. SLVP154 Board Layout (Continued)
Drill Drawing (Top View)
Table 3-1. Drill Table
3-4
Physical Layouts
Assembly Drawings
3.2 Assembly Drawings
Figure 3-2. Assembly Drawings
Physical Layouts
Top Assembly
3-5
Assembly Drawings
Figure 3-2. Assembly Drawings (Continued)
3-6
Physical Layouts
Bottom Assembly
Input/Output Connections
3.3 Input/Output Connections
Figure 3-2 shows the input/output connections to the SLVP154.
Figure 3-3. SLVP154 Input/Output Connections
Connection to the 12-V Power Supply External Load Output Transient Load Enable
Fall Time Trim Vo Programming
- +
Rise Time Trim
PS Enable Power Supply Power Supply 12-V, 1-A Supply
-+
5-V, 10-A Supply
-+
All wire pairs should be twisted.
Notes: 1) Output voltage can be programmed using the VO programming jumpers and the VID Codes. 2) R20, R21, and R22 are sensing resistors that allow the user to select the desired VO sense point. Only one of these 0- resistors should be inserted at a time. 3) The frequency and duty cycle of the onboard transient generator can be changed as desired along with the resistor loading. Care should be taken to insure that the load resistors and/or power supply do not dissipate excessive power. 4) The EVM board has been designed with the same characteristics (layer thicknesses and copper weight) as a typical motherboard to approximate actual noise and thermal conditions. 5) To use a single 12-V power supply for both the transient load and the converter input, jumper JP2 must be shorted.
Physical Layouts
3-7
3-8
Physical Layouts
Chapter 4
Bill of Materials
This chapter contains the bill of materials required for the SLVP154 EVM.
Topic
4.1
Page
Bill of Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Bill of Materials
4-1
Bill of Materials
4.1 Bill of Materials
Table 4-1 lists materials required for the SLVP154 EVM.
Table 4-1. SLVP154 Bill of Materials
Ref Des C1,C2, C3,C4 C5, C78 C6,C7, C8,C9 C11,C12, C13,C14 C15 C16 C17 C18 C10, C79 L1 L2 Q1,Q5 Q2,Q3 HS1,HS2 R1,R3, R5,R6 R2, R38 R4,R37 R7,R8 R9 R10 R11 R12 R13 R14 R15 R16 R18 R17,R19 U1 Qty 4 2 4 4 1 1 1 1 2 1 1 2 2 0 4 2 2 2 0 1 1 0 1 1 1 1 1 2 1 TPS5211PWP SUD50N03 SUD50N03 573100, see Note 1 WSL-2512-0.010-1% Part Number 10SP470M GRM235Y5V106Z016A 4SP560M Description Capacitor, OS-CON, 470F, 10V, 20% Capacitor, Ceramic, 10 F, 16V, Y5V Capacitor, OS-CON, 560F, 4V, 20% Capacitor, Ceramic, 1.0 F, 16V, +80%-20%, Y5V Capacitor, Ceramic, 0.1 F, 16V, 10%, X7R Capacitor, Ceramic, 0.033 F, 50V, 10%, X7R Capacitor, Ceramic, 1000 pF, 50V, 10%, X7R Capacitor, Ceramic, 2200 pF, 50V, 10%, X7R Capacitor, Ceramic, 4700 pF, 50V, 10%, X7R Inductor, 12A, 1 H T44-8/90 Core, 8-turns, 18AWG Wire Inductor, 28A, 1 H T68-8/90 Core, 7-turns, 16AWG Wire MOSFET, N-ch, 30-V, 20-A, 7-milliohm MOSFET, N-ch, 30-V, 20-A, 7-milliohm Heatsink, D-PAK (One for both high-side FETs and one for both low-side FETs) Resistor, Chip, 0.010 Ohms, 1W, 1% Resistor, Chip, 2.7 Ohms, 1/8W, 5% Resistor, Chip, 3.3 Ohms, 1/10W, 5% Resistor, Chip, 3.3 Ohms, 1/10W, 5% NU Resistor, Chip, 150 Ohms, 1/16W, 1% Resistor, Chip, 10.0k Ohms, 1/16W, 1% NU Resistor, Chip, 11.0k Ohms, 1/16W, 1% Resistor, Chip, 51 Ohms, 1/16W, 5% Resistor, Chip, 20.0k Ohms, 1/16W, 1% Resistor, Chip, 511 Ohms, 1/16W, 1% Resistor, Chip, 1.33k Ohms, 1/16W, 1% Resistor, Chip, 1.00k Ohms, 1/16W, 1% IC, Hysteretic Controller, Synchronous Std Std Std Std Std Std TI Std Std MFG Sanyo muRata Sanyo Std Std Std Std Std Std Core-Micrometals Core-Micrometals Vishay-Siliconix Vishay-Siliconix AAVID Dale Std Std Std Size F-case 1210 E-case 805 603 603 603 603 1206 T44 T68 DPAK DPAK .355x.35 2512 1206 805 805 603 603 603 603 603 603 603 603 603 603 PWP28 Power Supply Section
Note: 1) The heatsink is optional. However, it should be used if long time load current exceeds 22 A.
4-2
Bill of Materials
Bill of Materials
Table 4-1. SLVP154 Bill of Materials (Continued)
Ref Des C28-C43 C44-C48 C52-C62 C65-C75 C22-C27 C49-C50 C51,C63, C76,C77 C64 C19-C21 D1-D3 J1 J2 J3-J4 JP1 JP2 Q4 R20 R21-R22 R23-R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 S1-S2 TP1 TP2 TP3 U2 U3 XU1 2 1 1 1 1 1 1 EG1218 131-4244-00 240-345 240-333 TPS2812D TLC555CD PGA370 1 1 1 1 1 1 1 Std Std 3323P-101 Std Std Std 3323P-500 Qty 16 27 Part Number ECJ-3YB0J475K ECJ-2VF1C105Z Description Capacitor, Ceramic, 4.7F, 6.3V, 10% Capacitor, Ceramic, 1.0 F, 16V, +80%-20%, Y5V Capacitor, Ceramic, 10 F, 16V, Y5V Capacitor, Ceramic, 0.1 F, 16V, 10%, X7R Capacitor, Ceramic, 2200 pF, 50V, 10%, X7R Capacitor, Tantalum, 100F, 10V, 20% Diode, Signal, 75V, 200mA Terminal Block, 32A, 9.5mm, 2-Terminals Terminal Block, 15A, 5.1mm, 2-Terminals Terminal Block, 6A, 3.5mm, 2-Terminals Header, 2x5 Pins, 0.025" Sq pins Header, 1x2 Pins, 0.025" Sq pins IRF7811 Std WSL-2512-R332-1% FET, N-ch, 30-V, 10-A, 11-milliohm Resistor, Chip, 0 Ohms, 1/16W, 5% Not used Resistor, Chip, 0.332 Ohms, 1W, 1% User Option, Not Installed Resistor, Chip, 470 Ohms, 1/16W, 5% Resistor, Chip, 2.7 Ohms, 1/8W, 1% Trim Pot, Cermet, 100 Ohms, 1/2W, 10% Resistor, Chip, 12k Ohms, 1/16W, 5% Resistor, Chip, 5.1k Ohms, 1/16W, 5% Resistor, Chip, 10k Ohms, 1/16W, 5% Trim Pot, Cermet, 50 Ohms, 1/2W, 10% User Option, Not Installed Switch, Slide, 1P2T, 200mA Adaptor, 3.5-mm probe clip (or 131-5031-00) Test Point, Red, 1mm Test Point, Black, 1mm IC, MOSFET Driver, 2-Ch, Buffer, 2A IC, Timer Socket, 370-Pin MFG Panasonic Panasonic Size 1206 805 Celeron, Transient Load, and Auxiliary sections
8 4 1 3 3 1 1 2 1 1 1 1 0 5
GRM235Y5V106Z016A GRM39X7R104K016A ECU-V1H222KBM TPSD107M010R100 DL4148 ED1981 ED1609 ED1514
muRata muRata Panasonic AVX Diodes, Inc OST OST OST Std Std IR Std Std Dale Dale Std Std Bourns Std Std Std Bourns Std E-Switch Tektronix Farnell Farnell TI TI AMP
1210 603 1206 D DL-35 9.5mm 5.1mm 3.5mm 0.1" 0.1" SO-8 603 603 2512 2512 603 1206 3/8" 603 603 603 3/8" 603 0.1"
SO-8 SO-8
Bill of Materials
4-3
4-4
Bill of Materials

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