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RT9178-25GB 参数 Datasheet PDF下载

RT9178-25GB图片预览
型号: RT9178-25GB
PDF下载: 下载PDF文件 查看货源
内容描述: 的200mA,超低噪音,超高速的CMOS LDO稳压器 [200mA, Ultra-Low Noise, Ultra-Fast CMOS LDO Regulator]
分类和应用: 稳压器
文件页数/大小: 11 页 / 153 K
品牌: RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
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RT9178
Load Transient Response
Load
Current (mA)
Load
Current (mA)
V
IN
= 4V
C
BP
= 10nF
I
OUT
= 1 to 100mA
100
0
C
IN
= 1uF, Ceramic
C
OUT
= 1uF, Ceramic
Load Transient Response
V
IN
= 4V
C
BP
= 10nF
I
OUT
= 100 to 200mA
200
100
C
IN
= 1uF, Ceramic
C
OUT
= 1uF, Ceramic
Output Voltage
Deviation (mV)
Output Voltage
Deviation (mV)
20
0
-20
20
0
-20
Time (1ms/Div)
Time (1ms/Div)
EN Pin
Input Voltage (V)
4
2
0
3
2
1
0
V
IN
= 4V
C
BP
= 10nF
C
IN
= 1uF, Ceramic
C
OUT
= 1uF, Ceramic
EN Pin
Input Voltage (V)
6
Start Up
6
4
2
0
3
Start Up
Output
Voltage(V)
Output
Voltage(V)
2
1
0
V
IN
= 4V
C
BP
= 10nF
C
IN
= 1uF, Ceramic
C
OUT
= 10uF, Ceramic
Time (5us/Div)
Time (10us/Div)
6
Start Up
V
IN
= 4V
C
BP
= 10nF
150
Noise
C
IN
= 1uF, Ceramic
C
OUT
= 1uF, Ceramic
EN Pin
Input Voltage (V)
4
0
3
2
1
0
V
IN
= 4V
C
BP
= 100nF
C
IN
= 1uF, Ceramic
C
OUT
= 1uF, Ceramic
Noise (uV)
2
100
50
0
-50
Output
Voltage(V)
-100
f = 10Hz to 100kHz
Time (25us/Div)
Time (10ms/Div)
www.richtek.com
6
DS9178-16 April 2008