bd8301muv ROHM Co. Ltd., bd8301muv Datasheet - Page 2

• Manufacturer Part Number: bd8301muv
• Description: High-efficiency Step-up/down Switching Regulators With Built-in Power Mosfet
• Manufacturer: ROHM Co. Ltd.

● Electrical Characteristics
○
BD8301MUV
c
www.rohm.com
(Unless otherwise specified, Ta = 25 °C, VCC = 3.7 V)
[Low voltage input malfunction preventing circuit]
Detection threshold voltage
Hysteresis range
[Oscillator]
Oscillation frequency
[Error AMP]
INV threshold voltage
Input bias current
Soft-start time
Output source current
Output sink current
[PWM comparator]
LX1 Max Duty
LX2 Max Duty
[Output]
LX1 PMOS ON resistance
LX1 NMOS ON resistance
LX2 PMOS ON resistance
LX2 NMOS ON resistance
LX1 leak current
LX2 leak current
[STB]
STB pin
control voltage
STB pin pull-down resistance
[Circuit current]
Standby current
Circuit current at operation VCC
Circuit current at operation PVCC
2009 ROHM Co., Ltd. All rights reserved.
Parameter
Operation
No-operation
VCC pin
PVCC pin
VOUT pin
ΔVUVhy
Symbol
RON1p
RON1n
RON2p
RON2n
VSTBH
Dmax1
Dmax2
VSTBL
I leak1
I leak2
ISTB1
ISTB2
ISTB3
RSTB
VINV
VUV
IINV
fosc
Icc1
Icc2
IEO
Tss
IEI
Minimum
0.790
-0.3
250
-50
0.8
0.6
0.7
1.5
50
10
77
-1
-1
-
-
-
-
-
-
-
-
-
-
-
Target Value
2/13
Typical
0.800
1.00
2.25
100
120
100
120
100
400
500
1.0
1.5
20
85
10
0
0
0
-
-
-
-
-
-
Maximum
0.810
2.45
150
100
200
160
200
160
700
750
1.2
1.4
3.0
5.5
0.3
50
30
93
20
1
1
1
1
1
msec
MHz
Unit
mV
mA
mΩ
mΩ
mΩ
mΩ
μA
μA
μA
kΩ
μA
μA
μA
μA
μA
nA
%
%
V
V
V
V
Vcc monitor
RT=47kΩ
Vcc=7.0V , VINV=3.5V
RT=47kΩ
VINV=0.5V , VFB =1.5V
VINV=1.1V , VFB =1.5V
VGS=3.0V
VGS=3.0V
VGS=3.0V
VGS=3.0V
VINV=1.2V
VINV=1.2V
Technical Note
2009.05 - Rev.B
Conditions