Datasheet Analog Devices LT3475IFE-1#TRPBF — 数据表

LT3475/LT3475-1
Dual Step-Down
1.5A LED Driver
U DESCRIPTIO FEATURES
■ ■ ■ ■ ■
■
■ ■
■
■ True Color PWMTM Delivers Constant Color with
3000:1 Dimming Range
Wide Input Range: 4V to 36V Operating, 40V
Maximum
Accurate and Adjustable Control of LED Current
from 50mA to 1.5A
High Side Current Sense Allows Grounded Cathode
LED Operation
Open LED (LT3475) and Short Circuit Protection
LT3475-1 Drives LED Strings Up to 25V
Accurate and Adjustable 200kHz to 2MHz
Switching Frequency
Anti-Phase Switching Reduces Ripple
Uses Small Inductors and Ceramic Capacitors
Available in the Compact 20-Lead TSSOP Thermally …