Datasheet LP5523TM/NOPB - National Semiconductor Даташит — Даташит
Наименование модели: LP5523TM/NOPB
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Подробное описание
Производитель: National Semiconductor
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LP5523 PRODUCT BRIEF
December 16, 2009
LP5523 PRODUCT BRIEF Programmable 9-Output LED Driver
General Description
The LP5523 is a 9-channel LED driver designed to produce lighting effects for mobile devices.
A high-efficiency charge pump enables LED driving over full Li-Ion battery voltage range. The device is equipped with an internal program memory, which allows operation without processor control. The LP5523 maintains excellent efficiency over a wide operating range by autonomously selecting the best charge pump gain based on LED forward voltage requirements. LP5523 is able to automatically enter power-save mode when LED outputs are not active, thus lowering idle current consumption down to 10 µA (typ). The LP5523 has an I2C-compatible control interface with four pin selectable addresses. The device has a flexible General Purpose Output (GPO), which can be used as a digital control pin for other devices. INT pin can be used to notify processor when a lighting sequence has ended (in
Спецификации:
- Topology: Charge Pump
- Количество выходов: 9
- Efficiency: 93%
- Влагостойкость: MSL 1 - Unlimited
- Peak Reflow Compatible (260 C): Yes
- Pb-Free: Yes
RoHS: есть
