Datasheet Analog Devices LT3952AEFE#TRPBF — Datenblatt

LT3952A
60V LED Driver with
4A Switch Current
FEATURES DESCRIPTION 4000:1 True Color PWM™ Dimming
nn 4A, 60V Internal DMOS Switch
nn Wide Input Voltage Range: 3V to 42V
nn 0V to 60V Output Current Regulation with Monitor
nn PMOS Switch Driver for PWM and Output Disconnect
nn LED Short-Circuit Protection and SHORTLED Flag
nn Internal Spread Spectrum Frequency Modulation
nn Constant-Current and Constant-Voltage Regulation
nn Input Current Limit and Monitor
nn Adjustable Frequency: 200kHz to 3MHz,
Synchronizable to an External Clock
nn 10:1 Analog Dimming
nn Programmable Open-LED Protection with
OPENLED Flag
nn Programmable V Undervoltage and
IN
Overvoltage Lockout
nn Available in a 28-Lead TSSOP Package The LT®3952A is a current mode step-up DC/DC converter
with an internal, 60V, 80mΩ DMOS power switch. The
LT3952A is specifically designed to drive high power LEDs …