(China (Mainland))
Product Summary
The SG3525A is a regulating pulse width modulator. It is designed to offer improved performance and lowered external parts count when used in designing all types of switching power supplies. The on-chip + 5.1 V reference is trimmed to ±1 % andthe inputcommon-mode rangeof the error amplifier includes the reference voltage eliminating external resistors. A sync input to the oscillator allows multiple units to beslaved or a single unit to be synchronizedto an external systemclock. The SG3525A output stage features NOR logic, givinga LOW output for an OFF state.
Parametrics
SG3525A absolute maximum ratings: (1)Vi Supply Voltage: 40 V; (2)VC Collector Supply Voltage: 40 V; (3)IOSC Oscillator Charging Current: 5 mA; (4)Io Output Current, Source or Sink: 500 mA; (5)IR Reference Output Current: 50 mA; (6)IT Current through CT Terminal: 5mA; Logic Inputs: -0.3 to + 5.5V; Analog Inputs: -0.3 to Vi V; (7)Ptot Total Power Dissipation at Tamb = 70 ℃: 1000 mW; (8)Tj Junction Temperature Range: -55 to 150 ℃; (9)Tstg Storage Temperature Range: -65 to 150 ℃.
Features
SG3525A features: (1)8 to 35 v operation; (2)5.1 v reference trimmed to ±1%; (3)100 hz to 500 khz oscillatorrange ; (4)separateoscillatorsyncterminal; (5)adjustable deadtimecontrol; (6)internalsoft-start; (7)pulse-by-pulseshutdown ; (8)input undervoltage lockout with hysteresis ; (9)latching pwm to prevent multiple pulses; (10)dual source/sink output drivers.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 SG3525A |
Other |
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Data Sheet |
Negotiable |
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SG3525ADW |
ON Semiconductor |
Voltage Mode PWM Controllers 8-35V PWM |
Data Sheet |
Negotiable |
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SG3525ADWG |
ON Semiconductor |
Voltage Mode PWM Controllers 8-35V PWM |
Data Sheet |
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SG3525ADWR2 |
ON Semiconductor |
Voltage Mode PWM Controllers 8-35V PWM |
Data Sheet |
Negotiable |
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SG3525ADWR2G |
ON Semiconductor |
Voltage Mode PWM Controllers 8-35V PWM |
Data Sheet |
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SG3525AN |
STMicroelectronics |
Voltage Mode PWM Controllers Voltage Mode w/Sync |
Data Sheet |
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SG3525ANG |
ON Semiconductor |
Voltage Mode PWM Controllers 8-35V PWM |
Data Sheet |
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SG3525AP |
STMicroelectronics |
Voltage Mode PWM Controllers Voltage Mode w/Sync |
Data Sheet |
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