BD9141MUV Datasheet, PDF (4/19 Pages) Rohm – Output 2A or More High-efficiency Step-down Switching Regulator with Built-in Power MOSFET

BD9141MUV
●Characteristics data【BD9141MUV】
6.0
【VOUT=5V】
5.0 _Ta=25℃
Io=2A
4.0
3.0
2.0
1.0
0.0
0
2
4
6
8 10 12
INPUT VOLTAGE:VCC[V]
Fig.3 VCC-VOUT
5.20
5.15 ^{【VOUT=5V】}
VCC=8V
5.10 Io=0A
5.05
5.00
4.95
4.90
4.85
4.80
-40
-15
10
35
60
85
TEMPERATURE:Ta[℃]
Fig. 6 Ta-VOUT
200
180
VCC=8V
160
140
PMOS
120
100
80
60
NMOS
40
20
0
-40
-15
10
35
60
85
TEMPERATURE:Ta[℃]
Fig.9 Ta-RONN, RONP
Technical Note
6.0
【VOUT=5V】
5.0
4.0
3.0
2.0
1.0
0.0
0
100
90
80
70
60
50
40
30
20
10
0
1
VCC=8V
Ta=25℃
Io=0A
1
2
3
4
5
EN VOLTAGE:VEN[V]
Fig.4 VEN-VOUT
【VOUT=5V】
VCC=8V
Ta=25℃
10
100
1000
OUTPUT CURRENT:IOUT[mA]
Fig.7 Efficiency
10000
5.0
4.0
3.0
2.0
【VOUT=5V】
1.0 ^VCC=8V
Ta=25℃
0.0
012345678
VCC=^O8V^{UTPUT CURRENT:IOUT[A]}
Fig.5 IOUT-VOUT
700
600 _VCC=8V
500
400
300
200
100
0
-40
-15
10
35
60
85
TEMPERATURE:Ta[℃]
Fig.8 Ta-FOSC
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-40
VCC=8V
-15
10
35
60
85
TEMPERATURE:Ta[℃]
Fig.10 Ta-VEN
400
350 _VCC=8V
300
250
200
150
100
50
0
-40
-15
10
35
60
85
TEMPERATURE:Ta[℃]
Fig.11 Ta-Icc
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4/18
2009.06 - Rev.A