Datasheet Texas Instruments LM3501TL-16/NOPB — Ficha de datos

LM3501
www.ti.com SNVS230C – DECEMBER 2003 – REVISED MAY 2013 LM3501 Synchronous Step-up DC/DC Converter for White LED Applications
Check for Samples: LM3501 FEATURES APPLICATIONS 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
True Shutdown Isolation, no LED Leakage
Current
DC Voltage LED Current Control
Input Undervoltage Lockout
Internal Output Over-Voltage Protection (OVP)
Circuitry, with no External Zener Diode
Required LM3501-16: 15.5V OVP; LM3501-21:
20.5V OVP.
Requires Only a Small 16V (LM3501-16) or 25V
(LM3501-21) Ceramic Capacitor at the Input
and Output
Thermal Shutdown
0.1ВµA shutdown Current
Small 8-Bump Thin DSBGA Package LCD Bias Supplies
White LED Back-Lighting …