STMICROELECTRONICS PWM Controller, 8V-35V, 500kHz, NSOIC-16
Regulating PWM Controller IC by STMICROELECTRONICS. 8V-35V supply, 500mA output in NSOIC-16 package. For switching power supplies.
The STMICROELECTRONICS PWM Controller is a high-performance regulating pulse width modulator IC, engineered to deliver improved efficiency and reduce the external component count in switching power supply designs. This versatile controller features an on-chip 5.1V reference trimmed to ±1%, ensuring precise voltage regulation. The input common-mode range of the error amplifier includes the reference voltage, effectively eliminating the need for external resistors and simplifying circuit design.
Key Features and Benefits
- Separate oscillator sync terminal
- Adjustable dead-time control
- Internal soft-start capability
- Pulse-by-pulse shutdown for enhanced protection
- Input undervoltage lockout with hysteresis
- Latching PWM to prevent multiple output pulses
- Dual source/sink output drivers
Designed for robust operation, this controller offers an output voltage range of 5V to 5.2V at a junction temperature of 25°C. It is housed in a compact 16-pin NSOIC package, making it suitable for space-constrained applications. The device operates reliably across an ambient temperature range from 0°C to 70°C, supporting a wide variety of power supply topologies including push-pull configurations with voltage mode control.
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