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MP1529 Datasheet (PDF) - Monolithic Power Systems

MP1529 Datasheet PDF - Monolithic Power Systems
Part # MP1529
Download  MP1529 Download

File Size   306.4 Kbytes
Page   11 Pages
Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems
Description Fixed Frequency Step-Up Converter LCD Backlight Plus Flash

MP1529 Datasheet (PDF)

Go To PDF Page Download Datasheet
MP1529 Datasheet PDF - Monolithic Power Systems

Part # MP1529
Download  MP1529 Click to download

File Size   306.4 Kbytes
Page   11 Pages
Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems
Description Fixed Frequency Step-Up Converter LCD Backlight Plus Flash

MP1529 Datasheet (HTML) - Monolithic Power Systems

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MP1529 Product details

DESCRIPTION
The MP1529 is a step-up converter plus 3 current sources for driving two 6-LED backlight strings to 30mA and a 4-LED flash string to 150mA from a single Lithium-Ion battery.
The step-up converter generates an output voltage as high as 25V from a 2.7V to 5.5V input source. Three current sources drive in three modes. In backlight mode two strings of 6 LEDs are lit with up to 30mA of current. In the backlight plus preview mode the 4 flash LEDs are lit with the preview current. In flash mode the flash LEDs are lit with up to 150mA of current and the two backlight strings are turned off. There are three pins to independently set the backlight, preview and flash current.
The MP1529 includes built-in open lamp over voltage protection, cycle-by-cycle current limit, over temperature shutdown, input under voltage control and integrated soft-start.
The MP1529 is available in a tiny 16-pin 4mm x 4mm package.

FEATURES
• 2.7V to 5.5V Input Voltage Range
• 25V Maximum Step-Up Voltage
• <1µA Shutdown Mode
• 1.2MHz Fixed Frequency Operation
• LCD Backlight to 30mA, Flash to 150mA
• Cycle-By-Cycle Current Limit
• Independent Backlight, Preview and Flash
   Current Adjustment
• Special PWM Dimming
• Over Voltage Protection
• Under Voltage Lockout
• Integrated Soft-Start
• Thermal Shutdown
• Tiny 4mm x 4mm QFN Package

APPLICATIONS
• PDAs
• Cellular Phones
• Digital Still Cameras
• Digital Video Cameras



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