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PDF ( 数据手册 , 数据表 ) BD00GC0WEFJ

零件编号 BD00GC0WEFJ
描述 1A Secondary Variable Output LDO Regulators
制造商 ROHM Semiconductor
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BD00GC0WEFJ 数据手册, 描述, 功能
Secondary Variable Output LDO Regulator Series for Local Power Supplies
1A Secondary Variable Output
LDO Regulators for Local Power Supplies
BD00GC0WEFJ
No.10026EAT08
Description
BD00GC0WEFJ is a LDO regulator with output current 1.0A. The output accuracy is ±1% of output voltage. With
external resistance, it is available to set the output voltage at random (from 1.5V to 13.0V) and also provides output
voltage fixed type without external resistance. It is used for the wide applications of digital appliances. It has package
type: HTSOP-J8. Over current protection (for protecting the IC destruction by output short circuit), circuit current
ON/OFF switch (for setting the circuit 0μA at shutdown mode), and thermal shutdown circuit (for protecting IC from heat
destruction by over load condition) are all built in. It is usable for ceramic capacitor and enables to improve smaller set
and long-life.
Features
1) Output current 1.0A
2) High accuracy reference voltage circuit
3) Built-in Over Current Protection circuit (OCP)
4) Built-in Thermal Shut Down circuit (TSD)
5) With shut down switch
6) Output voltage variable type (1.5V to 13.0V)
7) Package: HTSOP-J8
Output voltage differential Line up
Product name
BD00GC0WEFJ
Variable Package
HTSOP-J8
Product name : BD00GC0WEFJ
abc d e
Signal
a
b
c
d
e
Description
Output voltage (V)
00 Variable
Voltage resistance(V)
E 24V H 10V
F 20V
I
7V
G 15V
Output current (A)
A1 0.1A C0 1.0A
A3 0.3A C5 1.5A
A5 0.5A D0 2.0A
Shutdown switch
“W” Shutdown switch is built in
“ ” Shutdown switch is not built in
Package
EFJ HTSOP-J8
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/11
2010.04 - Rev.A







BD00GC0WEFJ pdf, 数据表
BD00GC0WEFJ
Technical Note
Evaluation Board Circuit
C7
U2
C8
R4
C6
C5
C4
R5
R6
C9
C10
GND
VOUT
R3
1 VOUT
R1
VCC 8
2 FB
R2
N.C 7
3
GND
N.C 6
U1
4 N.C.
5
EN
C3
C2
C1
SW1
EN
Gate
Evaluation Board Parts List
Designation
R1
R2
R3
R4
R5
R6
C1
C2
C3
Value
43kΩ
8.2kΩ
1uF
Part No.
MCR01PZPZF4302
MCR01PZPZF8201
CM105B105K16A
Company
ROHM
ROHM
KYOCERA
Designation
C4
C5
C6
C7
C8
C9
C10
U1
U2
Value
1uF
Part No.
CM105B105K16A
Company
KYOCERA
BD00GC0WEFJ
ROHM
About Board Layout
VCC (Vi n)
EN
GND
Cin
R1 R2
Co
VO
Input capacitor Cin of VCC (Vin) should be placed very close to VCC(Vin) pin as possible, and used broad wiring pattern.
Output capacitor Co also should be placed close to IC pin as possible. In case connected to inner layer GND plane, please
use several through hole.
VFB pin has comparatively high impedance, and is apt to be effected by noise, so floating capacity should be minimum as
possible. Please be careful in wiring drawing
Please take GND pattern space widely, and design layout to be able to increase radiation efficiency.
For output voltage setting
Output voltage can be set by FB pin voltage0.800V typ.and external resistance R1, R2.
R1+R2
VO = VFB× R2
The use of resistors with R1+R2=5k to 90k is recommended
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
8/11
2010.04 - Rev.A














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