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參數(shù)資料
| 型號： | MP1541 |
| 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/閃存驅動器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 160K |
| 代理商： | MP1541 |
EV0062 (MP1541)
1.3MHz Low Power
LED Torch/Flash Driver
EVALUATION BOARD - INITIAL RELEASE
FEATURES
On Board Power MOSFET
Uses Tiny Capacitors and Inductors
1.3MHz Fixed Switching Frequency
Internally Compensated
Internal Soft Start
Operates with Input Voltage as Low as 2.5V
and Output Voltage as High as 22V
12V at 200mA from 5V Input
UVLO, Thermal Shutdown
Internal Current Limit
Available in a TSOT23-5 Package
APPLICATIONS
Camera Phone Flash
Handheld Computers and PDAs
Digital Still and Video Cameras
External Modems
Small LCD Displays
White LED Driver
06/04, Rev. 1.0
www.MonolithicPower.com
1
Monolithic Power Systems
GENERAL DESCRIPTION
The EV0062 is an evaluation board designed to
drive up to four (4) white LEDs in series. The
board is based on MPS’ MP1541 SOT23
current mode step up converter. The MP1541 is
intended for small, low power applications. The
MP1541 switches at 1.3MHz and allows the use
of tiny, low cost capacitors and inductors 2mm
or less in height. Internal soft start results in
small inrush current and extends the battery
life. The MP1541 operates from an input voltage
as low as 2.5V and can generate 12V at up to
200mA from a 5V supply.
The MP1541 includes under-voltage lockout,
current limiting and thermal overload protection
preventing damage in the event of an output
overload. The MP1541 is available in a small
5-lead TSOT23 package.
ELECTRICAL SPECIFICATION
Parameter
Symbol
Value
Units
Supply Voltage
V
IN
2.5 – 6
V
LED Current (Torch)
I
OUT
1
20
mA
LED Current (Flash)
I
OUT
2
100
mA
, “MPS”, “Monolithic Power Systems”, and “The Future of Analog IC
Technology” are Registered Trademarks of Monolithic Power Systems, Inc.
EV0062 EVALUATION BOARD
(2.5”X x 2.5”Y x 0.8”Z)
Board Number
EV0062 Rev. B
MPS IC Number
MP1541
0
0
V
FLASH
2V/Div.
V
OUT
5V/Div.
V
IN
= 3.6V (3 LEDs)
EV0062_MP1541_TAC_EC01
Waveform in Flash Mode
相關PDF資料 |
PDF描述 |
|---|---|
| MP1542DH | 700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542DK | 700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542 | 700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1542_06 | 700KHz/1.3MHz Boost Converter with a 2A Switch |
| MP1543 | 1.5A, 500KHz Synchronous Rectified Step-up Converter |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MP1541_06 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.3MHz Boost Converter |
| MP1541DJ | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:1.3MHz Boost Converter |
| MP1541DJ-LF-P | 功能描述:開關變換器、穩(wěn)壓器與控制器 1.3MHz, 22V Step-up Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1541DJ-LF-Z | 功能描述:開關變換器、穩(wěn)壓器與控制器 1.3MHz, 22V Step-up Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MP1542 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:700KHz/1.3MHz Boost Converter with a 2A Switch |
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