HA16141P Datasheet

IC型號：
HA16141P
PDF描述：
PFC and PWM Controller
文件大小：
268.30KB
PDF頁數(shù)：
19頁
芯片廠家：
HITACHI

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HA16141P/FP, HA16142P/FP

PFC and PWM Controller

ADE-204-036D (Z)

Preliminary

Rev. 4

Sep. 2001

Description

The HA16141P/FP and the HA16142P/FP are power supply controller ICs combining an AC-DC converter

switching controllers for power factor correction and off-line power supply switching controllers. PFC

(Power factor correction) section employs average current mode PWM and off-line power supply control

section employs peak current mode PWM.

The HA16142P/FP is the change version of HA16141P/FP鈥檚 PWM maximum on duty cycle.

The PFC operation can be turned on and off by external control signal. Use of this on/off function makes it

possible to disable PFC operation at a low line voltage, or to perform remote control operation from the

transformer secondary side. The PFC power supply boosted output voltage is not only fed to an error

amplifier input signal but also fed to as the boost voltage monitor circuit.

signal is put out if the boost

voltage is out-of-spec.

The PWM controller, which begins operation at the same time as release of the IC鈥檚 UVLO (under-voltage

lockout) is suitable for auxiliary power supply use in a multi-output power supply system.

Features

鈥?/div>

Synchronized PFC and PWM timing

鈥?/div>

Self oscillation with fixed frequency

PFC

: 100 kHz (鹵15 %)

PWM : 200 kHz (鹵15 %)

鈥?/div>

PFC function on/off control

鈥?/div>

PFC boosted output voltage monitor

鈥?/div>

High-output current gate drivers

PFC driver peak current :

鹵1.5

A typ.

PWM driver peak current :

鹵1.0

A typ.

鈥?/div>

PWM maximum on duty cycle

72% min (HA16141P/FP)

49.5% max (HA16142P/FP)

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