Analog Devices LT3762

Beschreibung

LT3762 is a synchronous DC/ DC controller designed to operate as a constant current source and constant voltage regulator. it features a programmable internal PWM dimming signal generator and a synchronous gate driver.

Eigenschaften

• 3000:1 External PWM Dimming
• 250:1 Internal PW, Dimming(5% accuracy)
• Wide Vin Operating Range: 2.5V to 40 V
• Synchronous Boost Output Voltage up to 60V
• Spread-Spectrum Frequency Modulation For Lower EMI
• PMOS Switch Driver for PWM and Output Disconnect
• Constant current(+/-3.5%) regulation
• Constant current(+/-2%) regulation
• Rail-tp-rail LED current sense: 0V to 60V
• Programmable Vin Undervoltage Lockout
• Analog Dimming via two conttrol pins
• 100kHz to 1MHz Operation
• Programmable Open LED Protection with OPENLED Flage
• Shor-circuit protection and SHORTLED Flag
• 28 lEAD TSSOP and QFN (4mm x 5mm) Exposed Pad Packages
• Drives LEDs in Boost, Buck, or Buck-Boost Configurations

Typische Anwendungen

• Industrial and Automotive Lighting/ Accurate Current-Limited Voltage Regulators

Weiterführende Informationen

• Datenblatt
• Produktseite des IC-Herstellers