BD8305MUV Rohm, BD8305MUV Datasheet - Page 9

• Manufacturer Part Number: BD8305MUV
• Description: High-effciency Step-up/down Switching Regulators
• Manufacturer: Rohm

●Reference Application Data
(Example of application 1)
(Example of application2)
○
BD8305MUV
c
www.rohm.com
2010 ROHM Co., Ltd. All rights reserved.
2000
1800
1600
1400
1200
1000
100
800
600
400
200
90
80
70
60
50
40
30
20
10
0
Fig.22 Power conversion efficiency
0
2.5
1
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
3.92
Fig.25 Maximum output current
VBAT=2.8V
1
3.0
VBAT=3.7V
OUTPUT CURRENT [mA]
Fig.28 Load regulation
3.5
10
VBAT=4.2V
OUTPUT CURRENT [mA]
VBAT[V]
10
4.0
VBAT=3.7V
4.5
100
100
5.0
5.5
1000
1000
3.33
3.32
3.31
3.30
3.29
3.28
3.27
100
90
80
70
60
50
40
30
20
10
0
2.0
Fig.26 Power conversion efficiency
1
VBAT=2.8V
Io=600mA
3.0
Fig.23 Line regulation
INPUT VOLTAGE [V]
OUTPUT CURRNET [mA]
9/15
10
VBAT=4.2V
4.0
VBAT=3.7V
100
5.0
1000
6.0
3.33
3.32
3.31
3.30
3.29
3.28
3.27
4.08
4.06
4.04
4.02
4.00
3.98
3.96
3.94
3.92
1
2.5
VBAT=3.7V
Io=600mA
3.0
Fig.27 Line regulation
OUTPUT CURRENT [mA]
Fig.24 Load regulation
INPUT VOLTAGE [V]
10
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3.5
Technical Note
2010.05 - Rev.D
4.0
100
4.5
5.0
1000
5.5