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BD8152FVM Datasheet(PDF) 4 Page - Rohm

Part # BD8152FVM
Description  High-efficiency Step-up Switching Regulators with Built-in Power MOSFET
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD8152FVM Datasheet(HTML) 4 Page - Rohm

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BD8152FVM, BD8158FVM
Technical Note
4/17
www.rohm.com
2010.03 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
Reference Data (Unless otherwise specified, Ta = 25℃)
50
60
70
80
90
100
2.0
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE:Vcc[V]
80
85
90
95
100
-40
-15
10
35
60
85
110
AMBIENT TEMPERATURE:Ta [℃]
50
60
70
80
90
0.05
0.1
0.15
0.2
0.25
0.3
OUTPUT CURRENT:Io[A]
Fig. 10 Max. Duty Ratio Temperature
VCC = 2.5 V f = 1200 kHz
Fig. 11 Vcc = 2.5V Power Efficiency
Fig. 12 Vcc = 5V Power Efficiency
VCC = 2.5 V f = 600 kHz
8
8.2
8.4
8.6
8.8
9
0.0
0.1
1.0
LOAD CURRENT:Io[A]
Fig. 13 Power Efficiency vs
Power Supply Voltage
Fig. 14 Max. Load Current vs
Power Supply Voltage
0
0.2
0.4
0.6
0.8
2.0
2.4
2.8
3.2
3.6
4.0
SUPPLY VOLTAGE:Vcc[V]
Fig. 15 Load Response
Waveform
Io = 0 mA
Vo
Io = 100 mA
100 mV
20 us
F = 600 kHz
F = 1200 kHz
8
8.2
8.4
8.6
8.8
9
2.0
2.5
3.0
3.5
4.0
SUPPLY VOLTAGE:Vcc[V]
Fig. 16 Output Voltage
Line Regulation
Fig. 17 Output Voltage
Load Regulation 1
Vcc = 2.5 V
Fig. 18 Output Voltage
Load Regulation 2
BD8158FVM
BD8158FVM
BD8158FVM
BD8158FVM
50
60
70
80
90
0.05
0.15
0.25
0.35
0.45
OUTPUT CURRENT:Io[A]
BD8152FVM
8
8.2
8.4
8.6
8.8
9
0.0
0.1
1.0
LOAD CURRENT:Io[A]
BD8152FVM
Vcc=5V


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