Part number:
LN5121
Manufacturer:
natlinear
File Size:
235.68 KB
Description:
Step-up dc/dc converter - backlight driver.
Datasheet Details
Part number:
LN5121
Manufacturer:
natlinear
File Size:
235.68 KB
Description:
Step-up dc/dc converter - backlight driver.
LN5121, Step-up DC/DC Converter - Backlight Driver
The LN5121 Series is a fixed frequency, constant current step-up DC/DC converter ideal for driving LEDs used in backlighting applications on cellular phones, PDAs and digital cameras etc.
Output voltage of up to 15V can be derived, and from a 2.5V input three white Led’s cab be driven in series.
Lum
LN5121 Features
* Input voltage range : 2.5V
* 6V
* Output voltage range : up to 15V externally set-up reference voltage 0.2V
* Oscillation frequency : 1.0MHZ±20%
* On resistance : 2.0Ω
* Efficiency : 88%(When driving 3 white LEDs in series VIN=3.6V ILED=20mA)
* Control : PWM control
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