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Numéro de référence | HA16158FP | ||
Description | PFC & PWM Control IC | ||
Fabricant | Renesas Technology | ||
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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 dewcrewaswin.gDsawtiatcShihneg elots4sU. .com
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>
• Supply voltage Vcc: 24 V
• Operating junction temperature Tjopr: –40°C to +125°C
<Electrical Characteristics>
• VREF output voltage VREF: 5.0 V ± 2%
• UVLO start threshold VH: 16.0 V ± 1.0 V
• UVLO shutdown threshold VL: 10.0 V ± 0.6 V
• PFC output maximum duty cycle Dmax-pfc: 95% typ.
• PWM output maximum duty cycle Dmax-pwm: 45% typ.
<Functions>
• Synchronized PFC and PWM timing
• PFC function on/off control
• PWM power-saving function (frequency reduced to maximum of 1/64)
• PWM overvoltage latch protection circuit
• Soft start control circuits for both PFC and PWM
• Package lineup: SOP-16/DILP-16
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Pages | Pages 23 | ||
Télécharger | [ HA16158FP ] |
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