bd9132muv ROHM Co. Ltd., bd9132muv Datasheet - Page 3

• Manufacturer Part Number: bd9132muv
• Description: Step-down Switching Regulator
• Manufacturer: ROHM Co. Ltd.

●Characteristics data【BD9132MUV】
V
SW
1.22
1.21
1.20
1.19
1.18
OUT
2.0
1.6
1.2
0.8
0.4
0.0
150
125
100
1.1
0.9
0.8
0.7
75
50
25
1
0
-40
2.7
0
-40
【V
【V
【PWM
-20
OUT
OUT
Fig.15 SW waveform Io=3A
-20
Fig.9 Ta – R
1
=1.2V】
=1.2V】
INPUT VOLTAGE:V
Fig.3 Vcc - V
3.4
TEMPERATURE:Ta[℃]
INPUT VOLTAGE:V
0
TEMPERATURE:Ta[℃]
Fig. 6 Ta - V
0
Fig.12 Vcc - Fosc
20
2
20
4.1
40
ONN
40
3
OUT
OUT
Ta=25℃
Io=3A
VCC=5V
Io=0A
, R
60
CC
V
60
CC
VCC=3.3V
OUT
High side
[V]
Low side
[V]
ONP
4.8
Ta=25℃
4
80
=1.2V】
VCC=5V
80
Ta=25℃
100
100
5.5
5
V
V
V
I
OUT
OUT
OUT
2.0
1.6
1.2
0.8
0.4
0.0
100
CC
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
90
80
70
60
50
40
30
=PV
0
【V
-40
1
【V
=EN
【V
CC
OUT
OUT
OUT
-20
=1.2V】
OUTPUT CURRENT:I
Fig.10 Fig.11 Ta - V
1
=1.2V】
=1.2V】
Fig.4 V
10
Fig.13 Soft start waveform
Fig. 16 Transient Response
Fig.7 Efficiency
TEMPERATURE:Ta[℃]
EN VOLTAGE:VEN[V]
0
Io=1→3A(10μs)
2
20
3/15
【 VOUT=1.0 】
EN
100
【 VOUT=1.2 】
- V
40
【 VOUT=1.5 】
3
OUT
【 VOUT=1.8 】
OUT
VCC=5V
Ta=25℃
1000
60
[mA]
VCC=5V
EN
VCC=5V
Ta=25℃
Io=0A
4
80
VCC=5V
Ta=25℃
VCC=5V
Ta=25℃
10000
Io=0A
100
5
V
V
SW
I
OUT
1200
1000
OUT
OUT
2.0
1.6
1.2
0.8
0.4
0.0
800
600
400
200
400
350
300
250
200
150
100
0
50
0
0
-40
【V
-40
【SLLM
【V
OUT
1
-20
Fig.14 SW waveform Io=10mA
OUT
-20
Fig.17 Transient Response
=1.2V】
OUTPUT CURRENT:I
Fig.5 I
=1.2V】
2
TEMPERATURE:Ta[℃]
0
TEMPERATURE:Ta[℃]
0
Fig.11 Ta - Icc
Io=3→1A(10μs)
Fig.8 Ta - Fosc
3
OUT
20
20
4
- V
40
40
OUT
5
VCC=5V
VCC=5V
Ta=25℃
OUT
60
60
VOUT=1.2V】
6
VCC=5V
[A]
80
VCC=5V
Ta=25℃
80
VCC=5V
7
Ta=25℃
100
100
8