HA16114 データシートの表示（PDF） - Renesas Electronics

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HA16114

Switching Regulator for Chopper Type DC/DC Converter

Renesas Electronics 

HA16116FP/FPJ, HA16121FP/FPJ

Function and Timing Chart

Relation between triangle wave and PWM output (in steady-state operation)

CT triangle wave

Dead band

voltage

E/O Error amp output

1.6 V typ

1.0 V typ

PWM

pulse

output

Booster

channel

output

(HA16121-

Ch 2) only

Step-down

or inverting

output

(HA16116-

Ch 1, Ch 2/

HA16121-Ch 1)

tON tOFF

T

VIN (on)

GND (off)

This pulse

is for

N-channel

power MOS

FET gate

driving.

VIN (off)

GND (on)

This pulse

is for

P-channel

power MOS

FET gate

driving.

Note: On duty = tON/T, where T = 1/fOSC.

Rev.2.0, Sep.18.2003, page 6 of 33

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