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BD8313HFN Datasheet(PDF) 10 Page - Rohm

Part # BD8313HFN
Description  1ch Synchronous Buck Converter Integrated MOSFET
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD8313HFN Datasheet(HTML) 10 Page - Rohm

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BD8313HFN
10/27
TSZ02201-0Q3Q0NZ00370-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
17.Feb.2015 Rev.002
www.rohm.com
TSZ22111・15・001
Application Information
1. Example of Application 1
Input: 4.5V to 10V, Output: 3.3V / 500mA
2. Reference Application Data 1 (Example of Application 1)
Figure 22. Reference Application Diagram 1
VREG
PGND
VCC
GND
PVCC
INV
Lx
STB
VBAT=4.5～10V
1
μ F
GRM188B11A105KA61
（Murata）
4.7
μ H
1127AS4R7M（TOKO）
10
μ F
GRM31CB11A106KA01
（Murata）
51k
22k
200k
68k
10pF
3.3V/500mA
ON/OFF
1
μ F
GRM188B11A105KA61
（Murata）
10
μ F
GRM31CBE106KA75L
（Murata）
VBAT=4.5V to 10V
LX
Figure 23. Efficiency vs Output Current
(VOUT = 3.3V)
0
20
40
60
80
100
1
10
100
1000
OUTPUT CURRENT [mA]
Output Current [mA]
VCC=5.5V
VCC=7.5V
VCC=4.5V
Figure 24. Output Voltage vs Output Current
(Load Regulation, VOUT = 3.3V)
3.00
3.05
3.10
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
1
10
100
1000
OUTPUT CURRENT [mA]
Output Current [mA]
VCC=4.5V
VCC=5.5V
VCC=7.5V
10 µ F
1 µ F
1 µ F
4.7 µ H
10 µ F
22k
Ω
200k
Ω
51k
Ω
68k
Ω


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