LM3554 converter equivalent, synchronous boost converter.
*1 Input Voltage: 2.5 V to 5.5 V
* Programmable 4.5-V or 5-V Constant Output
Voltage
* Dual High-Side Current Sources
* Grounded Cathode Allowing for Bett.
* Camera Phone LED Flash Controller
* Class D Audio Amplifier Power
* LED Current Source Biasing
3 Descript.
The LM3554 is a 2-MHz fixed-frequency, currentmode synchronous boost converter. The device is designed to operate as a dual 600-mA (1.2 A total) constant-current driver for high-current white LEDs, or as a regulated 4.5-V or 5-V voltage source.
The m.
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