参数资料
型号: BD00GA3WEFJ-E2
厂商: Rohm Semiconductor
文件页数: 8/14页
文件大小: 0K
描述: IC REG LDO ADJ .3A 8-HTSOP
特色产品: CMOS LDO Regulators
标准包装: 1
稳压器拓扑结构: 正,可调式
输出电压: 1.5 V ~ 13 V
输入电压: 4.5 V ~ 14 V
电压 - 压降(标准): 0.6V @ 300mA
稳压器数量: 1
电流 - 输出: 300mA(最小值)
工作温度: -25°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm Width)裸露焊盘
供应商设备封装: 8-HTSOP-J
包装: 标准包装
其它名称: BD00GA3WEFJ-E2DKR
BD00GA3WEFJ
● Evaluation Board Circuit
Technical Note
C7
C6
C5
C9
R1
1
2
VOUT
FB
VCC
N.C
8
7
C3
C2
C1
C4
C10
R2
U2
R5
GND
3
GND
N.C
6
U1
C8
R6
4
N.C.
EN
5
SW1
EN
R4
R3
Gate
● Evaluation Board Parts List
VOUT
Designation
R1
R2
Value
43k Ω
8.2k Ω
Part No.
MCR01PZPZF4302
MCR01PZPZF8201
Company
ROHM
ROHM
Designation
C4
C5
Value
1uF
Part No.
CM105B105K16A
Company
KYOCERA
R3
C6
R4
R5
R6
C1
C2
C3
1uF
CM105B105K16A
KYOCERA
C7
C8
C9
C10
U1
U2
BD00GA3WEFJ
ROHM
● About Board Layout
EN
VCC (Vi n)
Cin
R1
R2
GND
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 voltage ( 0.800V typ. ) and external resistance R1, R2.
VO = V FB ×
R 1 +R 2
R 2
( 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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