BD9757MWV_10 Datasheet, PDF (4/24 Pages) Rohm – Switching Regulator IC

BD9757MWV
Technical Note
●Electrical characteristics (Unless specified, Ta=25℃, VCCOUT=5.0V, VBAT=3V, STB13 ~ 7=3V,UPIC8=2.5V)
Parameter
Limits
Symbol
Unit
Min.
Typ.
Max.
Conditions
【Output Driver】
CH1 High side switch ON resistance
RON1p
-
120
270
mΩ Hx1=5V
CH1 Low side switch ON resistance
RON1N
-
80
240
mΩ VCCOUT=5.0V
CH2 High side switch ON resistance
RON21p
-
250
400
mΩ Hx2=5V
CH2 Low side switch ON resistance
CH3 High side switch ON resistance
CH3 Low side switch ON resistance
CH4 High side switch ON resistance
CH4 Low side switch ON resistance
RON21N
-
RON3p
-
RON3N
-
RON4p
-
RON4N
-
250
400
mΩ VCCOUT=5.0V
250
400
mΩ
Hx3=3V ,
VCCOUT=5V
250
400
mΩ VCCOUT=5.0V
250
400
mΩ
Hx4=3V,
VCCOUT=5V
250
400
mΩ VCCOUT=5.0V
CH5 High side switch ON resistance
RON5p
-
250
400
mΩ Hx5=5V
CH5 Low side switch ON resistance
RON5N
-
150
300
Output voltage H at the time of CH6 driving
Vout6H
VCCOUT VCCOUT
-1.5
-1.0
-
Output voltage L at the time of CH6 driving Vout6L
-
0.5
1.0
CH7,8 NMOS switch ON resistance
RON7,8N -
500
800
CH7,8 load switch ON resistance
RON7,8p -
200
【STB1 ~ 7】
operating
VSTBH1 1.5
-
STB control voltage
Non-operating
VSTBL1 -0.3
-
Pull down resistance
RSTB1 250
400
【UPIC8】
UPIC8
Control voltage
H level
L level
VUPIH
2.1
-
VUPIL
0
-
Pull down resistance
RUPIC1 30
50
【Circuit current】
VBAT terminal
ISTB1
-
-
Circuit current at the ^{HS7,8H terminal ISTB4}
-
-
time of standby
Hx terminal
ISTB2
-
-
Lx terminal
ISTB3
-
-
Circuit current at the time of Start-up
(VBAT terminal inflow current)
IST
-
150
Circuit current 1 at the time of operating
(VBAT terminal inflow current)
Icc1
-
45
Circuit current 2 at the time of operating
(VCCOUT applied terminal inflow current)
Icc2
-
5.0
◎ This product is not designed for normal operation within a radioactive environment.
350
5.5
0.3
700
4.00
0.40
80
5
5
5
5
450
150
9.7
mΩ VCCOUT=5.0V
V
IOUT6=50mA
NON6=0.2V
V
IOUT6=-50mA,
NON6=-0.2V
mΩ VCCOUT=5.0V
mΩ
HS7,8H=3V ,
VCCOUT=5.0V
V
V
kΩ
V
V
kΩ
μA
μA
μA Voltage step-down
μA Voltage boost
μA VBAT=1.5V
μA VBAT=3.0V
mA
INV1 ~ 8=1.2V ,
NON6=-0.2V
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2010.11 - Rev.A