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Data Sheet
LM3481 High-Efficiency Controller for Boost, SEPIC and
Flyback DC/DC Converters
1 Features
- 10-Lead VSSOP package
- Internal push-pull driver with 1A peak current
capability
- Current limit and thermal shutdown
- Frequency compensation optimized with a capacitor and a resistor
- Internal soft start
- Current mode operation
- Adjustable undervoltage lockout with hysteresis
- Pulse skipping at light loads
- Key specifications
- Wide supply voltage range of 2.97V to 48V
- 100kHz to 1MHz Adjustable and synchronizable
clock frequency
- ±1.5% (over temperature) internal reference
- 10µA shutdown current (over temperature)
- Create a custom design using the LM3481 with the WEBENCH Power Designer
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