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參數(shù)資料
| 型號(hào)： | AME5130 |
| 廠商： | AME, Inc. |
| 英文描述： | Micropower Step-Up DC/DC Converter |
| 中文描述： | 微功耗升壓型DC / DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 511K |
| 代理商： | AME5130 |
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AME, Inc.
1
AME5130
Micropower Step-Up DC/DC Converter
The AME5130 is a fixed off-time step-up DC/DC con-
verter in a small 5-lead SOT-25 package.The AME5130
is ideal for LCD panels requiring low current and high effi-
ciency as well as LED applications for cellular phone back-
lighting, PDAS,and other hand-held devices. The low
400ns off-time allows the use of tiny external compo-
nents.
AME5130 can drive up 8 white LEDs from a single Li-
Ion battery DC 2V to 5.5V; can be turned on by putting
more than 1V at pin 4(RUN). To control LED brightness,
the LED current can be pulsed by applying a PWM (pulse
width modulated) signal with a frequency range of 100Hz
to 50KHz to the RUN pin.
n
General Description
n
Features
l
0.7
internal switch
l
Uses small surface mount components
l
Adjustable output voltage up to 20V
l
2V to 5.5V input range
l
Input undervoltage lockout
l
0.01
μ
A shutdown current
l
Small 5-Lead SOT-25 package
n
Applications
n
Typical Application
l
White LED Back-Lighting
l
Hand-held Devices
l
Digital Cameras
l
Portable Applications
l
LCD Bias Power
Figure 1
Battery
Six White LEDs Application in Li-lon
Figure 2
Typical 20V Application
C
IN
4.7
m
F
Ceramic
2
5
1
L
15
m
H
4
V
2.5V-4.2V
3
R2
33K
D
AME5130
SW
V
IN
FB
GND
RUN
C
OUT
4.7
F
Ceramic
R1
510K
20V
20mA
C
IN
4.7
m
F
Ceramic
AME5130
V
IN
SW
FB
RUNGND
2
5
1
L
10
m
H
4
0V
>1.1V
V
2.5V-4.2V
3
R2
80
W
C
OUT
4.7
F
Ceramic
D
Option for
6LEDs
I
LED
* I
LED
=V
FB
/R2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AME5130AEEVADJ | Micropower Step-Up DC/DC Converter |
| AME5130AEEVADJZ | Micropower Step-Up DC/DC Converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AME5130_1 | 制造商:AME 制造商全稱:Analog Microelectronics 功能描述:Micropower Step-Up DC/DC Converter |
| AME5130AEEVADJ | 制造商:AME 制造商全稱:Analog Microelectronics 功能描述:Micropower Step-Up DC/DC Converter |
| AME5130AEEVADJZ | 制造商:AME 制造商全稱:Analog Microelectronics 功能描述:Micropower Step-Up DC/DC Converter |
| AME5131 | 制造商:AME 制造商全稱:Analog Microelectronics 功能描述:Low Power DC/DC Boost Converter |
| AME5131AEEV | 制造商:AME 制造商全稱:Analog Microelectronics 功能描述:Low Power DC/DC Boost Converter |
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