GF2140

UNISONIC TECHNOLOGIES CO., LTD GF2140 LINEAR INTEGRATED CIRCUIT LOW POWER TWO-WIRE GROUND FAULT INTERRUPTER  DESCRIPTION As a low power controller for AC output appliance leakage current interrupters, the UTC GF2140 can detect hazardous current paths to ground, and trigger SCR to protect.  FEATURES * Directly powered from the AC line * Build-in bridge rectifer * Interface to SCR * Adjustable trip current and time delay * Minimum external components * For two-wire system * Be used in 110V or 220V system  ORDERING INFORMATION Ordering Number GF2140G-S08-R Package SOP-8 SOP-8 Packing Tape Reel  MARKING www.unisonic.com.tw Copyright © 2015 Unisonic Technologies Co., Ltd 1 of 4 QW-R121-016.C GF2140  PIN CONNECTIONS LINEAR INTEGRATED CIRCUIT  PIN DESCRIPTION PIN PIN NAME I/O 1 Rsct O 2 VFB I 3 VREF I 4 GND 5 Line I 6 Neutral I 7 SCR Trigger 8 C Delay O PIN FUNCTION Output of Leakage current first Input of leakage current Reference voltage Ground Line input Neutral input SCR Trigger The Delay time  BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R121-016.C GF2140 LINEAR INTEGRATED CIRCUIT  ELECTRICAL CHARACTERISTICS (ILINE=1.2mA, TA=25℃,RSET=290kΩ) PARAMETER Shunt Regulator (PIN 5-4) Regulator Voltage Sense Amplifier (PIN 2-3) Offset Voltage Input Bias Current Gain Bandwidth SCR Trigger (PIN 7-6) Output Voltage Output Current Output Resistance Reference Voltage (PIN 3-4) Reference Voltage Delay Time (PIN 8-4...