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HA16158P Datasheet

  • HA16158P

  • PFC & PWM Control IC

  • 23頁

  • RENESAS

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HA16158P/FP
PFC & PWM Control IC
ADE-204-072 (Z)
Rev.0
Aug. 2002
Description
The HA16158 is a power supply controller IC combining an AC-DC converter switching controller for
power factor correction and an off-line power supply switching controller. The PFC (power factor
correction) section employs average current mode PWM and the off-line power supply control section
employs peak current mode PWM.
The HA16158 allows the operating frequency to be varied with a single timing resistance, enabling it to be
used for a variety of applications.
The PFC operation can be turned on and off by an 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 PWM controller includes a power-saving function that reduces the operating frequency to a maximum
of 1/64 in the standby state, greatly decreasing switching loss.
The PFC section and PWM section are each provided with a soft start control pin, enabling a soft start time
to be set easily.
Features
<Maximum Ratings>
鈥?/div>
Supply voltage Vcc: 24 V
鈥?/div>
Operating junction temperature Tjopr: 鈥?0擄C to +125擄C
<Electrical Characteristics>
鈥?/div>
VREF output voltage VREF: 5.0 V 鹵 2%
鈥?/div>
UVLO start threshold VH: 16.0 V 鹵 1.0 V
鈥?/div>
UVLO shutdown threshold VL: 10.0 V 鹵 0.6 V
鈥?/div>
PFC output maximum duty cycle Dmax-pfc: 95% typ.
鈥?/div>
PWM output maximum duty cycle Dmax-pwm: 45% typ.
<Functions>
鈥?/div>
Synchronized PFC and PWM timing
鈥?/div>
PFC function on/off control
鈥?/div>
PWM power-saving function (frequency reduced to maximum of 1/64)
鈥?/div>
PWM overvoltage latch protection circuit
鈥?/div>
Soft start control circuits for both PFC and PWM
鈥?/div>
Package lineup: SOP-16/DILP-16

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