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HA16666FP Datasheet PDF

Hitachi HA16666FP

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.
Part No. HA16666FP
Datasheet HA16666FP Download
Manufacturer
Hitachi
Description 600kHz PWM Controlled Switching Regulator
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HA16666FP datasheet page 1 preview

DESCRIPTION

Functions
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● +5 V reference voltage circuit Triangular waveform oscillator PWM comparator Output circuit (Totem pole output) Overcurrent protection circuit (with one-pulselatch mode) Undervoltage lockout protectoin circuit Soft start and quick shutdown function Remote control function Comparator with internal 1.3 V reference voltage

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% HA16666P/FP
● 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 mo...
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