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參數(shù)資料
| 型號： | MP1528 |
| 廠商： | Monolithic Power Systems, Inc. |
| 英文描述： | 9 Lamp, 36V Precision White LED Driver |
| 中文描述： | 9燈，36V的精密白光LED驅(qū)動器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 249K |
| 代理商： | MP1528 |
The Future of Analog IC Technology
MP1528
9 Lamp, 36V Precision White LED Driver
MP1528 Rev. 1.7
2/21/2006
www.MonolithicPower.com
1
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
2006 MPS. All Rights Reserved.
TM
TM
DESCRIPTION
The MP1528 is a step-up converter designed
for driving up to nine (9) series White LEDs
(LED) from a single cell Lithium-Ion battery. It
regulates the LED current and includes an
analog input for varying the LED brightness.
The MP1528 uses current limited, variable
frequency architecture to regulate the LED
current while maintaining high efficiency. The
BIAS pin measures the output voltage and turns
off the converter if an over voltage condition is
present to prevent damage due to an open
circuit condition. The LED current is measured
with an external current sense resistor. The low
0.4V full-scale regulation threshold and 0.63
power switch minimize power loss.
The MP1528 is available in an 8 pin MSOP and
a tiny 6 pin 3mm x 3mm QFN packages.
EVALUATION BOARD REFERENCE
Board Number
EV1528DQ-00A
Dimensions
2.0” x 1.5” x 0.5”
FEATURES
Drives up to 9 Series White LEDs
Integrated 0.63
Power MOSFET
Low 0.4V Full-Scale Current Sense Threshold
Over 20mA Output Current Capacity
Analog and Digital PWM Brightness Control
Open Load Shutdown
Soft-Start
Internal Current Limit
Under Voltage Lockout
Thermal Shutdown
Available in 8-Pin MSOP and Tiny 3mm x 3mm
6-Pin QFN Packages
APPLICATIONS
Handheld Computers
PDAs
PDA Phones
Digital and Video Cameras
Small LCD Displays
“MPS” and “The Future of Analog IC Technology” are Trademarks of Monolithic
Power Systems, Inc.
TYPICAL APPLICATION
MP1528
BRT
GND
EN
FB
SW
BIAS
2
5
6
1
3
4
LED1
LED9
MP1528_TAC01
D1
B160B
V
IN
EN
BRT
C3
10nF
100
90
80
70
60
50
40
30
E
0
5
10
15
20
25 30 35
LED CURRENT (mA)
V
IN
= 12V
MP1528_EC01
Efficiency vs
LED Current
9 LEDs
7 LEDs
8 LEDs
6 LEDs
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MP1528DK | 9 Lamp, 36V Precision White LED Driver |
| MP1529DR | Fixed Frequency Step-Up Converter LCD Backlight Plus Flash Evaluation Board |
| MP1529 | Fixed Frequency Step-Up Converter LCD Backlight Plus Flash |
| MP1530DM | Triple Output Step-Up Plus Linear Regulators for TFT Bias |
| MP1530DQ | Triple Output Step-Up Plus Charge Pump for TFT Bias |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MP1528DK | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:9 Lamp, 36V Precision White LED Driver |
| MP1528DK-LF-P | 功能描述:LED照明驅(qū)動器 6 LED, 2.5 - 36Vin Switch Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MP1528DK-LF-Z | 功能描述:LED照明驅(qū)動器 6 LED, 2.5 - 36Vin Switch Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| MP1528DQ | 制造商:MPS 制造商全稱:Monolithic Power Systems 功能描述:9 Lamp, 36V Precision White LED Driver |
| MP1528DQ-LF-P | 功能描述:LED照明驅(qū)動器 6 LED, 2.5 - 36Vin Switch Driver RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
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