Datasheet Analog Devices LTC3783EDHD#PBF — 数据表

LTC3783
PWM LED Driver and Boost,
Flyback and SEPIC Controller
DESCRIPTION FEATURES True Color PWMTM Delivers Constant Color with 3000:1 Dimming Ratio
n Fully Integrated Load FET Driver for PWM Dimming Control of High Power LEDs
n 100:1 Dimming from Analog Inputs
n Wide FB Voltage Range: 0V to 1.23V
n Constant Current or Constant Voltage Regulatio Low Shutdown Current: I = 20µA
Q
n 1% 1.23V Internal Voltage Reference
n 2% RUN Pin Threshold with 100mV Hysteresis
n Programmable Operating Frequency
(20kHz to 1MHz) with One External Resistor
n Synchronizable to an External Clock Up to 1.3f
OSC
n Internal 7V Low Dropout Voltage Regulator
n Programmable Output Overvoltage Protectio Programmable Soft-Start
TM
n Can be Used in a No R
SENSE Mode for VDS < 36V
n 16-Lead DFN and TSSOP Packages
n APPLICATIONS n n n n n The LTC®3783 is a current mode LED driver and boost,
flyback and SEPIC controller that drives both an N-channel …