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GRM219R60J106ME19 参数 Datasheet PDF下载

GRM219R60J106ME19图片预览
型号: GRM219R60J106ME19
PDF下载: 下载PDF文件 查看货源
内容描述: 1.25MHz的, 400毫安,高效率PWM降压型DC / DC转换器 [1.25MHz, 400mA, High Efficiency PWM Step-Down DC/DC Converter]
分类和应用: 转换器
文件页数/大小: 13 页 / 217 K
品牌: RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
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RT8025
Typical Application Circuit
V
IN
2.5V to 5.5V
1
C
IN
4.7µF
3
EN
5
L
4.7µH
V
OUT
VIN
RT8025
LX
VOUT
GND
2
4
C
OUT
10µF
Figure 1. Fixed Voltage Regulator
V
IN
2.5V to 5.5V
1
C
IN
4.7µF
3
VIN
LX
5
L
4.7µH
V
OUT
C1
R1
RT8025
EN
GND
2
FB
4
R1
V
OUT
=
V
REF
x
1
+
R2
with R1
+
R2
1M
Ω
and
V
REF(Typ.)
=
0.5V
C
OUT
10µF
R2
Figure 2. Adjustable Voltage Regulator
Layout Guide
V
IN
V
OUT
L
V
IN
L
V
OUT
VIN
C
IN
GND
EN
1
2
3
5
LX
C
OUT
GND
VIN
C
IN
GND
EN
1
2
5
LX
C
OUT
GND
R2
4
VOUT
3
4
FB
R1
V
OUT
C1
Figure 3
Layout note:
1. The distance that C
IN
connects to V
IN
is as close as possible (Under 2mm).
2. C
OUT
should be placed near RT8025.
www.richtek.com
2
DS8025-02 March 2011