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DA9162.001 25 October, 2001
This is preliminary information on a new product under development. Micro Analog Systems Oy reserves the right to make any changes without notice.
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MAS9162 is a low dropout voltage regulator with an enable/disable pin, which allows device to be turned off or on by pulling control to low or high. No external bypass capacitor is needed for achieving the low noise level of 30 Vrms. In addition to the noise levels, MAS9162 excels in dropout voltage (95 mV typical at 50 mA) and in start-up time (typically 10 s from start-up to within 1% of VOUT(NOM)). The Equivalent Series Resistance (ESR) range of output capacitors that can be used with MAS9162 is very wide. This ESR range from a few m up to a couple of Ohms combined with no minimum output current requirement makes the usage of MAS9162 easier and low in cost. Also the minimum output capacitance requirement is very low. This combined with very short start-up time makes it possible to switch the regulator off and on even in timing critical and/or noise sensitive applications. An internal thermal protection circuit prevents the device from overheating. Also the maximum output current is internally limited. In order to save power the device goes into sleep mode when the regulator is disabled.
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* No External Bypass Capacitor Needed * Optimized for Fast Start-up * Internal Thermal Shutdown * Short Circuit Protection * SOT23-5 Package * Pin Compatible with MC33761 * Several Output Voltage Options Available, See Ordering Information p. 8
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For Top Marking Information see Ordering Information p. 8
Top View
VIN GND CTRL
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DA9162.001 25 October, 2001
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3LQ 1DPH VIN GND CTRL N/C VOUT 3LQ 1 2 3 4 5 7\SH P G I O )XQFWLRQ Power Supply Voltage Ground Enable/Disable Pin for Regulator Not Connected Output
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All voltages with respect to ground.
3DUDPHWHU Supply Voltage Voltage Range for All Pins ESD Rating Junction Temperature Storage Temperature
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Stresses beyond those listed may cause permanent damage to the device. The device may not operate under these conditions, but it will not be destroyed.
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3DUDPHWHU Operating Junction Temperature Operating Ambient Temperature Operating Supply Voltage 6\PERO TJ TA VIN &RQGLWLRQV 0LQ - 40 -40 VOUT(NOM) +0.3 0D[ +125 +85 5.3 8QLW C C V
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TA = -40C to +85C, typical values at TA = +27C, VIN = VOUT(NOM) + 1 V, IOUT = 1 mA, CIN = 1 F, COUT = 1.0 F, VCTRL = 2 V, unless otherwise specified.
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u 3RZHU 'LVVLSDWLRQ 3DUDPHWHU Thermal Resistance (Junction-to-Air) Maximum Power Dissipation 6\PERO RJA Pd &RQGLWLRQV typical PC board mounting, still air any ambient temperature 0LQ 7\S 255.9 0D[ 8QLW C/W W
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Note 1 Note 1: TJ(MAX) denotes maximum operating junction temperature (+125C), TA ambient temperature, and RJA junction-to-air thermal resistance (+255.9C/W).
u /LQH DQG /RDG 5HJXODWLRQ 3DUDPHWHU Line Regulation Load Regulation u 1RLVH DQG 5LSSOH 5HMHFWLRQ 3DUDPHWHU Output Noise Voltage Noise Density PSRR 6\PERO VRMS VN &RQGLWLRQV 100 Hz < f < 100 kHz IOUT = 50 mA, f = 10 kHz f = 1 kHz f = 10 kHz f = 100 kHz 0LQ 7\S 30 0D[ 8QLW Vrms nV sqrt(Hz) dB 6\PERO &RQGLWLRQV VOUT(NOM) + 1 V < VIN < 5.3 V IOUT = 50 mA IOUT = 1.0 to 50 mA 0LQ 7\S 0.75 13.5 0D[ 2 25 8QLW mV mV
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DA9162.001 25 October, 2001
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CTRL
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1. Ceramic and film capacitors can be used. 2. The value of CL should be smaller than or equal to the value of CIN. ESR 0.01 2 Effective Series Ohm 1. When within this range stable with all IOUT = 0 mA... 80 mA Resistance values. Input Capacitance CIN 0.5 1. A big enough input F capacitance is needed to prevent possible impedance interactions between the supply and MAS9162. 2. Ceramic, tantalum, and film capacitors can be used. If a tantalum capacitor is used, it should be checked that the surge current rating is sufficient for the application. 3. In the case that the inductance between a EDWWHU\ and MAS9162 is very small (< 0.1 H) 0.47 F input capacitor is sufficient. 4. The value of CIN should not be smaller than the value of CL. Values given on the table are minimum requirements unless otherwise specified. When selecting capacitors, tolerance and temperature coefficient must be considered to PDNH VXUH WKDW WKH UHTXLUHPHQW LV PHW LQ DOO SRWHQWLDO RSHUDWLQJ FRQGLWLRQV
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8QLW mm mm mm mm mm mm mm mm mm mm mm
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DA9162.001 25 October, 2001
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Resistance to Soldering Heat Maximum Reflow Temperature Maximum Number of Reflow Cycles Seating Plane Co-planarity Lead Finish According to RSH test IEC 68-2-58/20 2*220C 235C 2 max 0.08 mm Solder plate 7.62 - 25.4 m, material Sn 85% Pb 15%
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0LQ 1.5 12.80 20.2 50 8.4 160 390, of which minimum 160 mm of empty carrier tape sealed with cover tape
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DA9162.001 25 October, 2001
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3URGXFW &RGH MAS9162AST1-T MAS9162AST2-T MAS9162AST3-T MAS9162AST6-T MAS9162AST7-T MAS9162AST8-T MAS9162AST9-T 3URGXFW 3.30 V Voltage Regulator IC 2.80 V Voltage Regulator IC 2.50 V Voltage Regulator IC 3.00 V Voltage Regulator IC 2.90 V Voltage Regulator IC 2.86 V Voltage Regulator IC 2.70 V Voltage Regulator IC 7RS 0DUNLQJ 62A1 62A2 62A3 62A6 62A7 62A8 62A9 3DFNDJH SOT23-5 SOT23-5 SOT23-5 SOT23-5 SOT23-5 SOT23-5 SOT23-5 &RPPHQWV Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel Tape and Reel
For more voltage options contact Micro Analog Systems Oy.
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Micro Analog Systems Oy Kamreerintie 2, P.O.Box 51 FIN-02771 Espoo, FINLAND Http://www.mas-oy.com Tel. (09) 80 521 Tel. Int. +358 9 80 521 Telefax +358 9 805 3213 E-mail: info@mas-oy.com
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Micro Analog Systems Oy reserves the right to make changes to the products contained in this data sheet in order to improve the design or performance and to supply the best possible products. Micro Analog Systems Oy assumes no responsibility for the use of any circuits shown in this data sheet, conveys no license under any patent or other rights unless otherwise specified in this data sheet, and makes no claim that the circuits are free from patent infringement. Applications for any devices shown in this data sheet are for illustration only and Micro Analog Systems Oy makes no claim or warranty that such applications will be suitable for the use specified without further testing or modification.
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