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| AP1122 1A LOW DROPOUT POSITIVE REGULATOR Description AP1122 is a low dropout positive fixed-mode regulator with 1A output current capability. The product is specifically designed to provide well-regulated supply for low voltage IC applications such as high-speed bus termination and low current 1.2V logic supply. AP1122 is also well suited for other applications such as VGA cards. AP1122 is guaranteed to have lower than 1.3V dropout at full load current making it ideal to provide well-regulated outputs of 1.2 output voltage with 2.5V input voltage supply. Pin Assignments (Top View) 3 2 1 Tab is VOUT SOT223-3L VIN VOUT GND Applications * * PC peripheral Communication (Top View) 3 2 VIN VOUT GND Features 1 * * * * * * * * * 1.3V maximum dropout at full load current Fixed 1.2V 2% output voltage Fast transient response Output current limiting Built-in thermal shutdown Good noise rejection Packages: SOT223-3L, TO252-3L, SOT89-3L, TO263-3L and TO220-3L SOT89-3L, SOT223-3L and TO252-3L: Available in "Green" Molding Compound (No Br, Sb) Lead Free Finish/ RoHS Compliant (Note 1) Tab is VOUT TO252-3L/ TO263-3L (Top View) 3 2 1 Tab is VOUT SOT89-3L ( Top View) VIN VOUT GND 3 2 1 Tab is VOUT TO220-3L Notes: 1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at http://www.diodes.com/products/lead_free.html. 1 of 11 www.diodes.com VIN VOUT GND AP1122 Document number: DS31012 Rev. 9 - 2 May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Typical Application Circuit 2.5V C1 100uF VIN VOUT GND Tab is VOUT C2 100uF 1.2V/1A Pin Descriptions Pin Name GND VOUT I/O I O Pin # 1 2 Ground Pin The output of the regulator. A minimum of 10uF capacitor (0.15 ESR 20) must be connected from this pin to ground to insure stability. The input pin of regulator. Typically a large storage capacitor is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response. Description VIN I 3 Functional Block Diagram V IN 3 2 V OUT + + CURRENT LIMIT 1.2V + + Thermal Shutdown 1 GND AP1122 Document number: DS31012 Rev. 9 - 2 2 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Absolute Maximum Ratings Symbol VIN TST TMJ Parameter DC Supply Voltage Storage Temperature Maximum Junction Temperature Rating -0.3 to 12 -65 to +150 150 Unit V o C o C Recommended Operating Conditions Symbol IOUT TOP Parameter Min 0 Max 1.0 125 Unit A o C Output Current Operating Junction Temperature Range Electrical Characteristics (Under Operating Conditions) Parameter Output Voltage Line Regulation Load Regulation Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current (Note 4) Thermal Regulation Ripple Rejection Temperature Stability Test Conditions 2.5VVIN12V, IO=10mA, TA=25 C 2.5VVIN12V, IO=10mA, TA=25oC VIN=2.5V~12V, 10mA Min 1.176 Typ. 1.2 Max 1.224 0.2 1 1.3 Unit V % % V A 1. 1 5 0.008 60 0.5 182 107 73 78 60 42 16 12 3.5 3.5 10 0.04 70 mA %/W dB % JA Thermal Resistance Junction-to-Ambient o C/W JC Thermal Resistance Junction-to-Case o C/W Notes: 2. See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18" from the package. 3. Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the difference between input and output differential and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range. 4. Quiescent current is defined as the minimum output current required in maintaining regulation. At 12V input/output differential the device is guaranteed to regulate if the output current is greater than 10mA. 5. Test conditions for SOT89-3L, TO252-3L, TO220-3L, and TO263-3L: Devices mounted on FR-4 substrate, single sided PC board, 2oz copper, with minimum recommended pad layout, no air flow. 6. Test condition for SOT223-3L: Device mounted on FR-4 substrate, single sided PC board, 2oz copper, with 5mmX5mm thermal pad layout, no air flow. AP1122 Document number: DS31012 Rev. 9 - 2 3 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Typical Performance Characteristics 2. 0 1. 8 0.20 Output Voltage Deviation (%) 1. 6 0 I load=800mA Dropout Voltage (V) 1. 4 1. 2 1. 0 0. 8 0. 6 0. 4 0. 2 0 0 250 500 750 1000 Tj = 125 oC Tj = 25 oC -0.20 -0.40 -0.80 -1 -25 0 Dropout Voltage vs Output Current 2 1.5 0.8 1 Output Current (mA) Temperature (oC) 25 50 75 100 125 Load Regulation vs Temperature Output Voltage Change (%) 1 0. 5 0 -0.5 -1 -1.5 -2 -50 -25 0 25 50 75 100 125 150 Output Voltage Deviation (%) 0.6 0.4 0.2 0 Percent Change in Output Voltage vs Temperature Output Voltage Deviation (mV) Input Voltage (V) Load Current (A) Output Voltage Deviation (mV) 7.5 6.5 5.5 40 20 0 -20 -40 Cin=1uF Cout=10uF Tantalum 30 20 10 0 -10 -20 2 1 0 -1 0 10 20 Temperature (oC) 2 4 6 8 10 12 Line Regulation C in = 1uF C out = 10 uF Tantalum Preload = 100mA Input Voltage (V) 0 20 40 60 80 100 120 140 160 180 200 TIME (us) 30 40 50 60 70 80 90 100 TIME (us) Line Transient Response Load Transient Response AP1122 Document number: DS31012 Rev. 9 - 2 4 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Ordering Information AP 1122 X X - X Package E : SOT223-3L D : TO252-3L Y : SOT89-3L K : TO263-3L T : TO220-3L Package Code Packaging (Note 8) Lead Free L : Lead Free (Note 7) G : Green Packing U : Tube 13 : Tape & Reel Device AP1122EL-13 AP1122EG-13 AP1122DL-13 AP1122DG-13 AP1122YL-13 AP1122YG-13 AP1122KL-13 AP1122TL-U Notes: E E D D Y Y K T SOT223-3L SOT223-3L TO252-3L TO252-3L SOT89-3L SOT89-3L TO263-3L TO220-3L Tube Part Number Quantity Suffix NA NA NA NA NA NA NA NA NA NA NA NA NA NA 50 -U 13" Tape and Reel Part Number Quantity Suffix 2500/Tape & Reel -13 2500/Tape & Reel -13 2500/Tape & Reel -13 2500/Tape & Reel -13 2500/Tape & Reel -13 2500/Tape & Reel -13 800/Tape & Reel -13 NA NA 7. TO263-3L and TO220-3L are available in "Lead Free" products only. 8. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf AP1122 Document number: DS31012 Rev. 9 - 2 5 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Marking Information (1) SOT223-3L ( Top View ) Logo Part Number Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z repersents 52 and 53 week X : Internal code a~z : Lead Free A~Z : Green YWX 1122 (2) TO252-3L ( Top View ) Logo Part Number L : Lead Free G : Green YY : Year : 01~09 WW : Week : 01~52, 52 represents 52 and 53 week X : Internal Code 1122 YY WW X X (3) SOT89-3L ( Top View ) XX : Identification code Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : Internal code a~z : Lead Free A~Z : Green Package SOT89-3L Identification Code JB XX YWX 1 2 3 Part Number AP1122 AP1122 Document number: DS31012 Rev. 9 - 2 6 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Marking Information (Continued) (4) TO263-3L ( Top View ) Logo Part Number L : Lead Free 1122 YY WW X X YY : Year : 01~09 WW : Week : 01~52, 52 represents X : Internal code 52 and 53 week (5) TO220-3L ( Top View ) Logo L : Lead Free Part Number 1122 YY WW X X YY : Year : 01~09 WW : Week : 01~52, 52 represents 52 and 53 week X : Internal code AP1122 Document number: DS31012 Rev. 9 - 2 7 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Package Outline Dimensions (All Dimensions in mm) (1) SOT223-3L AP1122 Document number: DS31012 Rev. 9 - 2 8 of 11 www.diodes.com May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Package Outline Dimensions (Continued) (2) TO252-3L 0.88/1.27 5.6 6.354/6.80 Typ 6.58 5.20/5.50 Typ 5.35 5.40/6.20 Typ 5.57 11.0 5.6 2.25 2.0 7.2 1.2 9.00/10.40 Typ 9.70 2.18/2.40 Typ 2.29 SEE NOTE2 SEATING PLANE 0.45/0.58 Typ 0.52 0.61 Typ 2.28 BSC. 4.57 BSC. 0.64/1.02 Typ 0.83 Land Pattern Recommendation (Unit: mm) 0.89/ 1.14 0.45/0.58 Typ 0.52 0.51 (3) SOT89-3L 1.40/1.75 Typ 1.60 1.7 2.35/2.60 Typ 2.48 3.94/4.25 0.4 1.9 1.3 1.45/1.55 Typ 1.50 2.90/3.10 Typ 3.00 80 (2x) 4.40/4.60 Typ 4.50 1.40/1.60 Typ 1.50 0.80/ 1.20 1.5 0.9 Land Pattern Recommendation (Unit: mm) 50 (2x) 0.36/0.48 0.41/0.53 0.36/0.48 Typ 0.42 Typ 0.47 Typ 0.42 0.35/0.43 Typ 0.39 AP1122 Document number: DS31012 Rev. 9 - 2 9 of 11 www.diodes.com 2.7 May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR Package Outline Dimensions (Continued) (4) TO263-3L 2.92 Typ 1.30 9.65/10.29 Typ 9.97 10.9 14.61/15.88 Typ 15.24 8.65/9.65 Typ 9.15 9.1 1.27/ 1.78 Typ 1.52 2.54 BSC. 1.3 2.54 0.51/0.99 Typ 0.75 1.14/1.40 Typ1.27 Land Pattern Recom m endation (Unit: m m ) 0.38 Typ 4.06/4.83 Typ 4.45 (5) TO220-3L 2.54/3.43 Typ 2.98 9.70/10.70 Typ 10.20 O3.53/4.09 Typ 3.81 5.84/6.86 Typ 6.35 3.55/4.85 Typ 4.20 0.51/1.40 Typ 0.95 SEATING PLANE 14.20/16.50 Typ 15.35 3.66/6.35 Typ 5.00 12.72/14.72 Typ 13.72 1.14/1.78 Typ 1.46 4.83/5.33 Typ 5.08 0.31/1.14 0.51/1.14 Typ 0. 72 Typ 0.83 2.99/2.79 Typ 2.54 2.03/2.92 Typ2.48 AP1122 Document number: DS31012 Rev. 9 - 2 10 of 11 www.diodes.com 1.14/1.40 Typ 1.27 2.28/2.80 Typ 2.54 3 15.7 May 2010 (c) Diodes Incorporated AP1122 1A LOW DROPOUT POSITIVE REGULATOR IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated website, harmless against all damages. Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application. Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings noted herein may also be covered by one or more United States, international or foreign trademarks. LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright (c) 2010, Diodes Incorporated www.diodes.com AP1122 Document number: DS31012 Rev. 9 - 2 11 of 11 www.diodes.com May 2010 (c) Diodes Incorporated |
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