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參數(shù)資料
| 型號： | BD00HA5WEFJ |
| 元件分類： | 可調(diào)正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | ADJUSTABLE POSITIVE LDO REGULATOR, PDSO8 |
| 封裝： | ROHS COMPLIANT, HTSOP-8 |
| 文件頁數(shù)： | 11/12頁 |
| 文件大?。?/td> | 416K |
| 代理商： | BD00HA5WEFJ |
www.rohm.com
2010.10 - Rev.A
2010 ROHM Co., Ltd. All rights reserved.
Technical Note
8/11
BD00IA5WEFJ
●
Evaluation board circuit
●
Evaluation board parts list
Designation
Value
Part No.
Company
Designation
Value
Part No.
Company
R1
16kΩ
MCR01PZPZF1602
ROHM
C4
‐
R2
7.5kΩ
MCR01PZPZF7501
ROHM
C5
1uF
CM105B105K16A
KYOCERA
R3
‐
C6
‐
R4
‐
C7
‐
R5
‐
C8
‐
R6
‐
C9
‐
C1
1uF
CM105B105K16A
KYOCERA
C10
‐
C2
‐
U1
‐
BD00IA5WEFJ
ROHM
C3
‐
U2
‐
●
About Board Layout
·
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.
(The use of resistors with R1+R2=5k to 90k is recommended)
VO = VFB×
R1+R2
R2
N.C
GND
FB
N.C
N.C.
VOUT
2
VOUT
C7
3
4
7
5
U1
8
C1
C2
C3
R1
R2
R6
U2
C8
R4
R3
C6
C5
C4
R5
Gate
C9
C10
1
VCC
6
EN
GND
SW1
EN
VO
GND
VCC (Vi n)
Cin
R1
R2
Co
EN
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BD00HA5WEFJ_13 | 制造商:ROHM 制造商全稱:Rohm 功能描述:500mA Variable Fixed Output LDO Regulators |
| BD00HA5WEFJ-E2 | 功能描述:低壓差穩(wěn)壓器 - LDO LDO REG 0.8V-7V 0.5A 8PIN RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| BD00HA5WEFJ-ME2 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Automotive 0.5A Variable Output LDO Regulator |
| BD00HC0EFJ-E2 | 制造商:ROHM 制造商全稱:Rohm 功能描述:500mA Secondary Variable Output LDO Regulators for Local Power Supplies |
| BD00HC0MEFJ-M | 制造商:ROHM 制造商全稱:Rohm 功能描述:Automotive 1.0A Variable Output LDO Regulator |
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