English
Language : 

BD9639MWV_16 Datasheet, PDF (5/26 Pages) Rohm – Switching Regulator ICs
BD9639MWV
Electrical Characteristics
(Unless otherwise specified, VVBAT=VVBAT2,3,4,5,6=3.7[V], VCC input terminal =3.7[V], Ta=25[°C])
Parameter
Limit
Symbol
Unit
Min Typ Max
Conditions
Current Consumption (PFM)
Current Consumption (PWM)
Shutdown Current Consumption
H Input Voltage 1
L Input Voltage 1
・XSHDN1=H, XSHDN24=L
・Without load on each channel
ICC1
-
72
150
μA ・VFB1=0.5[V]
・sum of VBAT terminal,
and OUT1 terminal
・XSHDN1=H, XSHDN24=H,
TEST1=H
ICC2
1.57 2.35 3.53 mA ・VFB1=0.5[V]
・Sum of VBAT terminal,
and OUT1 terminal
・All setting terminal=L
ICC3
-
0
10
μA ・Sum of VBAT terminal,
and OUT1 terminal
VIH1
VIL1
VVBAT
-0.3
-
-
-
-
GND
+0.3
V
XSHDN1
V
H Input Voltage 2
L Input Voltage 2
H Input Current 1
VIH3
2.5
-
-
V XSHDN24, XSHDN3,
VIL3
-
-
GND
+0.3
V XSHDN5, XSHDN6
Input voltage =3.7[V]
IIH1
4.63 9.25 18.5 μA XSHDN24, XSHDN3,
XSHDN5, XSHDN6
Oscillating Frequency 1
fOSC1
1.2
1.5
1.8 MHz RRT=10[kΩ]
Reduced-voltage Detection Voltage VUVLO1 1.75 1.95 2.15
V
Reduced-voltage Return Voltage VUVLO2 1.95 2.15 2.35
V
【CH1】
Soft-start Period 85%
Error Amp Reference Voltage
tSS1
VEREF1
310 620 930
0.388 0.400 0.412
μs
Soft-start period 100% 730[µs](Typ)
XSHDN24=L
V XSHDN24=H
PMOS ON-Resistance
RONP1
-
0.24 0.38
Ω Power supply 3.7[V]
NMOS ON-Resistance
RONN1
-
0.14 0.23
Ω Power supply 3.7[V]
Maximum Duty
DMAX1 76.5 85.0 93.5 % XSHDN24=H
【CH2】
Error Amp Reference Voltage
VEREF2 0.390 0.400 0.410
V
Soft-start Period 85%
tSS2
0.43 0.85 1.27 ms Soft-start period 100% 1.0[ms](Typ)
PMOS ON-Resistance
RONP2
-
0.13 0.21
Ω Power supply 3.7[V]
NMOS ON-Resistance
RONN2
-
0.08 0.14
Ω Power supply 3.7[V]
www.rohm.com
© 2016 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/22
TSZ02201-0313AA400630-1-2
09.Feb.2016 Rev.001