ADM666AN Analog Devices, ADM666AN Datasheet
ADM666AN
Related parts for ADM666AN
ADM666AN Summary of contents
Page 1
... REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
Page 2
ADM663A/ADM666A–SPECIFICATIONS Parameter Input Voltage Quiescent Current Output Voltage, V (+5 V Mode) OUT(2) Output Voltage, V (+3.3 V Mode) OUT(2) Dropout Voltage Dropout Voltage Line Regulation ( OUT(2) ...
Page 3
PIN FUNCTION DESCRIPTION Mnemonic Function V Voltage Regulator Output(s). OUT(1) (2) V Voltage Regulator Input. IN SENSE Current Limit Sense Input. (Referenced not used, it should be connected to OUT(2). V OUT(2). GND Ground Pin. Must ...
Page 4
ADM663A/ADM666A GENERAL INFORMATION The ADM663A/ADM666A contains a micropower bandgap reference voltage source; an error amplifier, A1; three compara- tors, C1, C2, C3, and a series pass output transistor. A P-chan- nel FET and an NPN transistor are used on the ...
Page 5
The resistor values may be selected by first choosing a value for R1 and then selecting R2 according to the following equation: V OUT R2 R1 1.30 The input leakage current maximum. This al- SET ...
Page 6
ADM663A/ADM666A Temperature Proportional Output The ADM663A contains a V output with a positive tempera- TC ture coefficient of +2.5 mV/ C. This may be connected to the summing junction of the error amplifier (V tor resulting in a negative temperature ...
Page 7
C. The resistor value is calculated 4/0 resistor power rating of 400 mW or greater may be used. Bypass Capacitors The high frequency performance of the ADM663A/ADM666A may be improved by decoupling ...
Page 8
ADM663A/ADM666A 0.160 (4.06) 0.115 (2.93) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Pin Plastic DIP (N- 0.280 (7.11) PIN 1 0.240 (6.10 0.325 (8.25) 0.430 (10.92) 0.300 (7.62) 0.348 (8.84) 0.060 (1.52) 0.210 0.015 (0.38) ...
Page 9
ORDERING GUIDE Temperature Model Range ADM663AAN – +85 C ADM663AAR – +85 C ADM666AAN – +85 C ADM666AAR – +85 C *For outline information see Package Information section. REV. 0 Package Option* ...