Product Summary

The sg3525an is a pulse width modulator control circuit. The sg3525an offers improved performance and lower external parts count when implemented for controlling all types of switching power supplies. The output stage of the sg3525an features NOR logic resulting in a low output for an off-state.

Parametrics

sg3525an absolute maximum ratings: (1) Supply Voltage Vcc: +40V; (2) Collector Supply Voltage Vc: +40V; (3) Logic Inputs: -0.3 to +5.5V; (4) Analog Inputs: -0.3 to Vcc; (5) Output Current, Source or Sink Io: ±500mA; (6)Reference Output Current Iref: 50mA; (7) Oscillator Charging Current: 5mA; (8) Thermal Resistance, Junction-to-Air RθJA: 100°C/W; (9) Operating Junction Temperature Tj: +150°C; (10) Storage Temperature Range Tstg: -65 to +125°C; (11) Lead Temperature (Soldering, 10 seconds) Tsolder: 300°C.

Features

sg3525an features: (1) 8.0 V to 35 V Operation; (2) 5.1V ±1.0% Trimmed Reference; (3) 100 Hz to 400 kHz Oscillator Range; (4) Separate Oscillator Sync Pin; (5) Adjustable Deadtime Control; (6) Input Undervoltage Lockout; (7) Latching PWM to Prevent Multiple Pulses; (8) Pulse-by-Pulse Shutdown; (9) Dual Source/Sink Outputs: ±400 mA Peak; (10) Pb-Free Packages are Available.

Diagrams

sg3525an pin connection

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SG3525AN
SG3525AN
STMicroelectronics
Voltage Mode PWM Controllers Voltage Mode w/Sync
Data Sheet
0-1: $0.52
1-10: $0.47
10-100: $0.44
100-250: $0.41
SG3525ANG
SG3525ANG
ON Semiconductor
Voltage Mode PWM Controllers 8-35V PWM
Data Sheet
0-1: $0.70
1-25: $0.56
25-100: $0.49
100-500: $0.38