Product Summary

The at102tn42 is a precision, adjustable shunt regulator. Designed for the control loop of low-voltage power supplies, the reference voltage has been designed for 600mV. Applications are (1)SMPS control loop; (2)Low temperature coefficient voltage reference; (3)Power management; (4)Replaces zener diodes; (5)Isolated DC-to-DC converters; (6)Network, telecom and cellular base station; (7)Adjustable voltage reference.

Parametrics

at102tn42 absolute maximum ratings: (1)VIN Voltage: 20 V; (2)OUT Voltage: 20 V; (3)FB Voltage: 20 V; (4)VIN, OUT, FB Current: 50 mA; (5)Operating Junction Temperature (10s): 150 °C; (6)Lead Soldering Temperature (10s): 260 °C; (7)Storage Temperature Range: -65 to +150 °C.

Features

at102tn42 features: (1)Low voltage reference: 600mV; (2)Low temperature coefficient reference: 25ppm; (3)Accurate 600mV reference voltage:; (4)+6mV at TJ = 25°C; (5)High PSRR: 45dB at 300kHz; (6)High line rejection: ±1mV (VCC from 2.2V to 18V); (7)Low supply current: 300μA; (8)Open collector output; (9)Directly drives optocouplers; (10)Compact 5-lead SOT23 package; (11)Industrial temperature range: -40 to 85°C.

Diagrams

at102tn42 pin connection