16666FP Overview
The HA16666P/FP is a voltage mode PWM (pulse width modulation) control IC for switching regulator control. It can drive a power MOS FET efficiently on 600 kHz. Its stanby current is 0.3 mA (max), and it is used as the primary control power supply.
16666FP Key Features
- High-speed switching; tr = 80 ns (15 V amplitude) tf = 40 ns (15 V amplitude)
- Low power dissipation; 0.3 mA max in standby state 12 mA max in operation state (V IN = 15 V)
- Dual-slope highly accurate dead-band duty setup circuit; Setup accuracy Du = ±3% (max)
- Wide output pulse width control range; 0 to 75%
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- Undervoltage lockout protection; VIN high threshold voltage 10 V typ VIN low threshold voltage 8 V typ
- Two input threshold voltage for overcurrent protection cmparator; fixed voltage (1.3 V) variable voltage
- Double pulse output protection by overcurrent protection circuit with one-pulse latch mode
- Wide input supply voltage range; VCC = 11 to 40 V
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