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HA16178P

Renesas Technology
Part Number HA16178P
Manufacturer Renesas Technology
Description Power Factor Correction Controller IC
Published Sep 28, 2007
Detailed Description www.DataSheet4U.com HA16178P/FP Power Factor Correction Controller IC REJ03D0903-0100 Rev.1.00 Jun 12, 2007 Descriptio...
Datasheet PDF File HA16178P PDF File

HA16178P
HA16178P

Overview
www.
DataSheet4U.
com 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 REJ03D0903-0100 Rev.
1.
00 Jun 12, 2007 Page 1 of 24 HA16178P/FP Pin Arrangement OUT 1 PGND 2 SGND 3 NC 4 PFC-ON 5 VREF 6 CAO 7 CS 8 (Top view) 16 VCC 15 SS 14 EO 13 FB 12 IAC 11 NC 10 CT 9 RT Pin Description Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin Name OUT PGND SGND NC PFC-ON VREF CAO CS RT CT NC IAC FB EO SS VCC I/O Output — — — Input Output Output Input/Output Input/Output Output — Input Input Output Output Input Function Power MOS FET gate driver output Ground Ground No connection PFC function on/off signal input Reference voltage output Current control error amplifier output Current sense signal input Timing resistor for operati...


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