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參數資料
| 型號： | HA16178P |
| 廠商： | Renesas Technology Corp. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Power Factor Correction Controller IC |
| 中文描述： | 功率因數校正控制芯片 |
| 文件頁數： | 1/25頁 |
| 文件大小： | 262K |
| 代理商： | HA16178P |
REJ03D0903-0100 Rev.1.00 Jun 12, 2007
Page 1 of 24
HA16178P/FP
Power Factor Correction Controller IC
REJ03D0903-0100
Rev.1.00
Jun 12, 2007
Description
The HA16178P/FP is a power-factor correction (PFC) controller IC.
This IC adopts continuous conduction mode as PFC operation.
Various functions such as over voltage detection, over current detection, soft start, feedback-loop disconnection
detection, are incorporated in a single chip. This eliminates a significant amount of external circuitry.
PFC operation can be turned on and off by an external control signal. By using this function, PFC operation can be
disabled at low input voltage, allowing remote control from the secondary side.
A soft-start control pin provides for the easy adjustment of soft-start operation, and can be used to prevent overshooting
of the output voltage.
Features
Maximum ratings
Power-supply voltage Vcc: 24 V
Operating junction temperature Tjopr: –40 to 125
°
C
Electrical characteristics
VREF output voltage VREF: 5.0 V
±
3%
UVLO operation start voltage VH: 10.5
±
0.7 V
UVLO operation stop voltage VL: 9.0
±
0.5 V
PFC output maximum ON duty Dmax-out: 95% (typ.)
Functions
Continuous conduction mode
Over voltage detection
Over current detection
Soft start
Feedback loop disconnection detection
PFC function on/off control
Package lineup: SOP-16 and DILP-16
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