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LM3500
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SNVS231G – AUGUST 2003 – REVISED MAY 2013
LM3500 Synchronous Step-up DC/DC Converter for White LED Applications
Check for Samples: LM3500
FEATURES
1
•2 Synchronous Rectification, High Efficiency and no External Schottky Diode Required
• Uses Small Surface Mount Components • Can Drive 2-5 White LEDs in Series
– (May Function With More Low-VF LEDs) • 2.7V to 7V Input Range • Internal Output Over-Voltage Protection (OVP)
Circuitry, with no External Zener Diode Required – LM3500-16: 15.5V OVP; LM3500-21: 20.5V
OVP. • True Shutdown Isolation • Input Undervoltage Lockout • Requires Only Small Ceramic Capacitors at the
Input and Output • Thermal Shutdown • 0.