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HA17524P Datasheet - Hitachi Semiconductor

HA17524P_HitachiSemiconductor.pdf

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Datasheet Details

Part number:

HA17524P

Manufacturer:

Hitachi Semiconductor

File Size:

88.35 KB

Description:

Switching regulator controller.

HA17524P, Switching Regulator Controller

Principals of HA17524 Operation The HA17524 switching regulator circuit, using pulse width modulation (PWM), is constructed as shown in figure 1.

Timing resistances RT and timing capacitance C T control the oscillation frequency.

CT is charged by a constant current generated by RT .

Ramp signals (sa

HA17524P Features

* Pulse width modulation (PWM) Wide oscillation frequency range: 450 kHz(typ) Low quiescent current: 5 mA typ Good line regulation (0.2% typ) and load regulation (0.4% typ) Independent output stages for 2 channels Wide external circ

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