BD9757MWV_10 Datasheet, PDF (18/24 Pages) Rohm – Switching Regulator IC

BD9757MWV
●PIN equivalent circuit
INV1～INV8,INV8I
(Error amplifier’s inversion input)
VCCOUT
VREGA
INV
VREGA (REGA output)
VCCOUT
VCCOUT
VREGA
Technical Note
NON6
(Error amplifier’s non-inversion input)
VCCOUT
VREGA
NON6
VREF6
(CH6 Standard voltage output)
VREGA
VCCOUT
VREF6
STB13, STB2, STB4, STB5,
STB6, STB7 (Operating when
CH1~7 ON/OFF switch is High)
VCCOUT
STB
UPIC8
(CH8 start signal, LED
modulated light signal input)
Hx1,2,3,4,5(Pch FET source terminal)
Lx1,2,3,4,5(Nch,Pch FET drain terminal)
PGND13,24,5 (output stage earthing terminal)
UPIC8
VREGA
Hx
Lx
VCCOUT
PGND
HS78H (high side SW input terminal)
OUT5(CH5 power-MOSFET connection)
HS7L, 8L (high side SW output terminal) PGND567 (output stage earthing)
Lx7, 8 (Nch FET drain terminal)
PGND678
HS78H
HS7L,8L
VCCOUT ^VCCOUT
VCCOUT
OUT6
PGND678
Fig.32 PIN equivalent circuit
Lx7,8
VCCOUT
PGND678
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18/20
2010.11 - Rev.A