BD9634GU Datasheet, PDF (5/30 Pages) Rohm – Switching Regulator ICs

BD9634GU
Electrical Characteristics
（Unless otherwise specified, VVBAT=VVBAT3,4,6,8=3.7[V], VOUT1 Input Voltage=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 Voltage1
L Input Voltage1
・XSHDN1=H, PWM/PFM=L,
Other setting terminal=L
ICC1
-
90
180
µA ・Without load on each channel
・sum of VBAT terminal,
and VOUT1 terminal
・XSHDN1=H, PWM/PFM=H,
Other setting terminal =L
ICC2
1.40 2.10 3.15 mA ・Without load on each channel
・sum of VBAT terminal,
and VOUT1 terminal
・All setting terminal =L
ICC3
-
0
10
µA
・Without load on each channel
・sum of VBAT terminal,
and VOUT1 terminal
VIH1
VVBAT
-0.3
-
-
V
VIL1
-
-
GND
+0.3
XSHDN1
V
H Input Voltage2
L Input Voltage2
H Input Voltage3
L Input Voltage3
H Input Current1
H Input Current2
Oscillating Frequency 1
Oscillating Frequency 2
Reduced-voltage
Detection Voltage
Reduced-voltage
Return Voltage
【CH1】
Error Amp Reference
Voltage
Soft-start Period 85%
Maximum Duty
【CH2】
Reference Voltage
Startup period 85%
PMOS ON-Resistance
VIH3
VIL3
VIH3
VIL3
IIH1
IIH2
fOSC1
fOSC2
VUVLO1
VUVLO2
2.5
-
VOUT1
-0.3
-
4.63
18.5
0.8
400
1.60
1.80
-
-
-
-
9.25
37
1.0
500
1.80
2.00
-
GND
+0.3
-
GND
+0.3
18.5
74
1.2
600
2.00
2.20
V
Setting terminal except for XSHDN1, SEL5
V
V
V
µA
µA
MHz
KHz
V
SEL5
Input Voltage =3.7[V]
XSHDN2,XSHDN34,XSHDN5,XSHDN6,
XSHDN78,XSHDN9,PWM/PFM
Input Voltage =3.7[V] CTL4
RRT=10[kΩ]
RRT=10[kΩ]
V
VEREF1
tSS1
DMAX1
0.390 0.400 0.410
0.44 1.08 1.72
76.5 85.0 93.5
V PWM/PFM=H
ms
Soft-start period 100% 1.27[ms](TYP)
PWM/PFM=L
% PWM/PFM=H
VREF2
tSS2
RONP2
0.291
0.73
-
0.300
1.45
1.20
0.309
2.17
1.95
V
ms Startup Period 100% 1.7[ms]（TYP）
Ω Power Supply 3.7[V]
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TSZ22111・15・001
5/26
TSZ02201-0313AA400620-1-2
26.Apr.2016 Rev.001