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參數(shù)資料
| 型號(hào)： | MP1523DT |
| 廠商： | MONOLITHIC POWER SYSTEMS INC |
| 元件分類： | 顯示驅(qū)動(dòng)器 |
| 英文描述： | Precision 6-Lamp White LED Driver |
| 中文描述： | LED DISPLAY DRIVER, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁(yè)數(shù)： | 1/7頁(yè) |
| 文件大?。?/td> | 145K |
| 代理商： | MP1523DT |
Monolithic Power Systems
MP1523
Precision 6-Lamp
White LED Driver
INITIAL RELEASE
07/04, Rev. 1.6
www.MonolithicPower.com
1
DESCRIPTION
The MP1523 is a 5-pin SOT23 step-up
converter designed for driving up to six (6)
series white LEDs from a single-cell Lithium
Ion battery. The MP1523 uses a current
limited, variable frequency architecture to
regulate the LED current, which is measured
through an external current sense resistor. Its
low 0.4V feedback threshold reduces power
loss and improves efficiency. To prevent
damage due to an open circuit condition, the
BIAS pin can measure the output voltage and
turn off the converter if an over-voltage
condition is present.
The MP1523 includes under-voltage lockout,
current
limiting,
and
protection to prevent damage in the event of
an output overload. The MP1523 is available in
a small 5-pin SOT23 package.
thermal
overload
FEATURES
On Board Power MOSFET
Drives up to 6 White LEDs
Up to 90% Efficiency
Over 80mA Output Current Capacity
Open Load Shutdown
Low 0.4V Feedback Threshold
UVLO, Thermal Shutdown
Soft-Start
Internal Current Limiter
Available in SOT23-5 Package
Evaluation Board Available
APPLICATIONS
Cell Phones
Handheld Computers and PDAs
Digital Still and Video Cameras
Small LCD Displays
, “MPS”, “Monolithic Power Systems”, and “The Future of Analog IC
Technology” are Registered Trademarks of Monolithic Power Systems, Inc.
TYPICAL APPLICATION
MP1523
BIAS
SW
FB
GND
EN
2
3
1
5
4
V
IN
2.7V to 5.5V
A
Up To
6 LEDs
B
EN
MP1523-TAC-S01
100
90
80
70
60
50
E
5
10
LED CURRENT (mA)
15
20
25
MP1523-EC01
V
IN
= 5V
V
IN
= 4V
V
IN
= 3V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MP1527DR | 1.3MHz Low Power LED Torch/Flash Driver |
| MP1527 | 2A, 1.3MHz Step-Up Converter |
| MP1527DM | 2A, 1.3MHz Step-Up Converter |
| MP1528 | 9 Lamp, 36V Precision White LED Driver |
| MP1528DK | 9 Lamp, 36V Precision White LED Driver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP1523DT-LF-P | 功能描述:電源開(kāi)關(guān) IC - 配電 6 LED, 2.5 - 25Vin Switch Driver RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MP1523DT-LF-Z | 功能描述:電源開(kāi)關(guān) IC - 配電 6 LED, 2.5 - 25Vin Switch Driver RoHS:否 制造商:Exar 輸出端數(shù)量:1 開(kāi)啟電阻（最大值）:85 mOhms 開(kāi)啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MP1524 | 制造商:Jensen 功能描述:HEAD UNIT DOUBLE DIN AM/FM/CDBLUETOOTH IPOD USB AUX IN 制造商:Jensen 功能描述:Head Unit Double DIN am/fm/cd Bluetooth iPod USB Aux In |
| MP1527 | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 1.3MHz Step-Up Converter |
| MP1527DM | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:2A, 1.3MHz Step-Up Converter |
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