SG6105 ETC, SG6105 Datasheet
SG6105
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SG6105 Summary of contents
Page 1
... Two internal precision TL431 shunt regulators provide stable reference voltage and driver for 3.3V and 5V-standby regulation. Utilizing minimum number of external components, the SG6105 includes all of the functions for push-pull and/or half-bridge topology, decreasing the production cost and PCB space, and increasing the MTBF for power supply ...
Page 2
... Output for first converter regulation loop. Reference comparison input for first converter regulation loop. 2.5V. Output for second converter regulation loop. Reference comparison input for second converter regulation loop. 2.5V. Connected to external resistor for the reference setting 75k ohms. Ground Product Specification SG6105 www.sg.com.tw June 19, 2003 ...
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... Vcc 2.5V 8uA Delay 7msec R Delay 2msec Product Specification RI PG GND Vref Delay 300msec Delay 3sec COMP + _ O.S.C Error Amp COMP SG6105 VCC 20 14 FB1 13 VREF1 11 FB2 12 VREF2 9 OP1 8 OP2 www.sg.com.tw June 19, 2003 ...
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... Power Supply Supervisor + Regulator + PWM TIMING DIAGRAM VCC PSON 3.3V,5V,12V t PSON(ON) NVP SS(on/off VCC PSON UVAC OPP SS(on/off) PG ©System General Corp. Version 2.3(IRO33.0011.B0) t PSON(OFF) t PSOFF Voltage < V UVAC - 4 - Product Specification SG6105 t UVP t NVP t OPP www.sg.com.tw June 19, 2003 ...
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... Test Condition PG High - - - - - - - - - V = 1.5V UVAC - RI = 75kΩ 75kΩ 75kΩ 75kΩ 75kΩ 75kΩ ; UVAC - 5 - Product Specification SG6105 Value Unit 1.5 W 0.5 W -55 to +150 82.5 /W 150 -30 to +125 260 3.0 kV Value Unit 4 -25 to +85 Min. ...
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... Min 75kΩ 75kΩ 1.5 Test Condition Min Test Condition Min 75kΩ 60 Test Condition Min 75kΩ Product Specification SG6105 Typ. Max. Unit 2.5 2.525 mV Typ. Max. Unit 300 400 ms 0.7 0. 300 ...
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... Output Voltage Low OL V Output Voltage High OH R Output Impedance ©System General Corp. Version 2.3(IRO33.0011.B0) Test Condition Min Test Condition Min 5mA - V12 = 12V Product Specification SG6105 Typ. Max. Unit - 93 % Typ. Max. Unit - 0 3.3 kΩ www.sg.com.tw June 19, 2003 ...
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... STBY Transformer + Vdd ©System General Corp. Version 2.3(IRO33.0011.B0 UVAC V33 V5 V12 VCC VREF2 PG FB2 PSON VREF1 NVP FB1 OP1 RI GND IN COMP OP2 SS OPP - 8 - Product Specification SG6105 -12V 12V 5V 3.3V 5Vsb 47~100ohm Pok 1Kohm PSon -12V -5V 5V 12V www.sg.com.tw June 19, 2003 ...
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... D48 R101 R102 Q19 C67 C68 2 C70 R107 L18 L17 Q20 3 C73 C72 1 L19 C75 R110 R115 L20 C76 5V 12V R116 3.3V SG6105 CN2 F2 C40 R63 L11 L12 C44 C46 C47 TR2 BD1 2 3 C54 R82 VZ4 HHV C58 ...
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... PCB layout. SG6105 has OVP and UVP for 12V, 5V and 3.3V. Besides, the NVP is used for negative voltage protection, such as –12V and/or –5V. The UVAC (AC fails detection) is applied to detect AC line condition ...
Page 11
... VNVP = 64 uA × (R1 + R2) – V-12V The power outputs will be locked off when VNVP ≥ 2.1V. OP1 OP2 R2 OPP Product Specification SG6105 64uA -12V -5V 2.1V www.sg.com.tw June 19, 2003 ...
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... Product Specification Typ. Max. 0.210 0.130 0.135 0.060 0.018 1.030 1.060 0.300 0.250 0.255 0.100 0.130 0.150 0.355 0.375 7 15 www.sg.com.tw SG6105 June 19, 2003 ...
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... RIGHT TO MAKE CHANGES System General reserves the right to change this document and/or this product without notice. Customers are advised to consult their System General sales representative before ordering. ©System General Corp. Version 2.3(IRO33.0011.B0) DISCLAIMERS - 13 - Product Specification SG6105 www.sg.com.tw June 19, 2003 ...