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G5114 Datasheet(PDF) 2 Page - Global Mixed-mode Technology Inc |
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G5114 Datasheet(HTML) 2 Page - Global Mixed-mode Technology Inc |
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Ver: 1.1 Sep 13, 2004 TEL: 886-3-5788833 http://www.gmt.com.tw 2 G5114/G5116/G5118 Global Mixed-mode Technology Inc. Absolute Maximum Ratings SW, OVP to GND……….……..…….…..….-0.3V to +35V VCC, SHDN to GND.….......................…...-0.3V to +7V FB to GND.....................….......................…-0.3V to VCC Operating Temperature.….……………...…-40°C to 85°C Junction Temperature.......................…...................125°C Storage Temperature………....……....…..–65°C to 150°C Reflow Temperature (soldering, 10sec)……….....260°C Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device. Electrical Characteristics (VCC=V SHDN =3.6V, TA=25°C, unless specified) PARAMETER CONDITION MIN TYP MAX UNIT Input Voltage Range 1.7 --- 6.5 V G5114/G5118, Trigger 28 29 30 V OV Protection Threshold G5114/G5118, Release --- --- 25 V OV Pin Input Current G5114/G5118, Vovp = 28V --- 10 15 µA VFB = 0.3V --- 50 100 µA Quiescent Current V SHDN = 0V --- 2.4 3 µA FB Comparator Trip Point 242 250 258 mV Switch Off Time VFB = 0V --- 400 --- ns Switch RDS(ON) ISW = 150mA --- 0.8 1.2 Ω Switch Leakage Current Switch Off, VSW = 30V --- 0.1 5 µA Switch Current Limit 320 400 480 mA SHDN Pin Voltage High 0.9 --- --- V SHDN Pin Voltage Low --- --- 0.25 V Note.1:The G5114/G5116/G5118 are guaranteed to meet performance specifications from 0°C~85°C. Specifications over the -40°C~85°C operating temperature range are assured by design, characterization and correlation with statistical process controls. Block Diagram + + VREF BIAS SHUTDOWN LOGIC C2 SW L1 SHDN VCC C1 R2 FB ERROR COMP 0.25V en_sw GND PUMP CONTROL OC COMP DRIVER TOFF PULSE CONTROL VOUT VIN CTRL * OVP ** D1 LED Series V OUT * SHDN pin only availiable for G5116/G5118 ** OVP pin only availiable for G5114/G5118 + + VREF BIAS SHUTDOWN LOGIC C2 SW L1 SHDN VCC C1 R2 FB ERROR COMP 0.25V en_sw GND PUMP CONTROL OC COMP DRIVER TOFF PULSE CONTROL VOUT VIN CTRL * OVP ** D1 LED Series V OUT * SHDN pin only availiable for G5116/G5118 ** OVP pin only availiable for G5114/G5118 |
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