HA16178P Renesas Technology, HA16178P Datasheet - Page 13
HA16178P
Manufacturer Part Number
HA16178P
Description
Power Factor Correction Controller IC
Manufacturer
Renesas Technology
Datasheet
1.HA16178P.pdf
(25 pages)
- Current page: 13 of 25
- Download datasheet (308Kb)
HA16178P/FP
Description of Functions
1. UVL Circuit
The UVL circuit monitors the Vcc voltage. When the voltage is lower than 9.0 V, the IC is stopped. When the voltage
is higher than 10.5 V, IC is started.
When operation of the IC is stopped by the UVL circuit, the driver circuit output is fixed low, output of VREF is
stopped, and the oscillator is stopped.
REJ03D0903-0100 Rev.1.00 Jun 12, 2007
Page 13 of 24
VREF
OUT
VCC
CT
10.5 V (VH)
5 V
4.0 V
CAO
Figure 1 UVL Operation
9 V (VL)
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