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參數(shù)資料
| 型號： | EV1527DR-02A |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 1.3MHz Low Power LED Torch/Flash Driver |
| 中文描述： | 1.3MHz低功耗LED手電筒/閃存驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 204K |
| 代理商： | EV1527DR-02A |
EV1527DR-02A
1.3MHz Low Power
LED Torch/Flash Driver
The Future of Analog IC Technology
EVALUATION BOARD
EV1527DR-02A Rev. 1.0
9/21/2005
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2005 MPS. All Rights Reserved.
DESCRIPTION
The EV1527DR-02A evaluation board is
designed to drive a single Lumileds LED with
low, forward voltage for Camera Flash
applications. The board is set up to obtain
150mA torch current and 750mA flash current
with an input voltage range of 3.0V to 4.2V. The
torch and flash currents can be adjusted by
resistors R2 and R3 on the Evaluation Board.
The MP1527 switches at 1.3MHz and allows
the use of tiny, low cost capacitors and small
inductors. External compensation and soft-start
result in small inrush current and extend the
battery life. The MP1527 operates from an input
voltage as low as 2.6V.
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Supply Voltage
V
IN
LED Current (Torch)
I
OUT1
LED Current (Flash)
I
OUT2
Value
3.0 – 4.2
150
750
Units
V
mA
mA
FEATURES
3V to 4.2V Input Voltage Range
Tiny Capacitors and Inductors Due to
1.3MHz Fixed Switching Frequency
Output LED Currents: 150mA at Torch
Mode, 750mA at Flash Mode
Surface-Mount Components
Fully Assembled and Tested
APPLICATIONS
Camera Phone Flash
Handheld Computers and PDAs
Digital Still and Video Cameras
External Modems
Small LCD Displays
White LED Drivers
“MPS” and “The Future of Analog IC Technology” are Registered
Trademarks of Monolithic Power Systems, Inc.
EV1527DR-02A EVALUATION BOARD
(L x W x H) 2.0” x 2.2” x 0.5”
(5.0cm x 5.6cm x 1.0cm)
Board Number
EV1527DR-02A
MPS IC Number
MP1527DR
EV1527DR-02A_WF01
Load Transient
V
IN
= 3.6V (1 LED)
V
2V/div
V
5V/div
0
0
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