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Analog Devices LT3762

60V Synchronous Boost LED Controller

Overview

TopologyBuck-Boost Converter
Input voltage3-24 V
Switching frequency100-1000 kHz
Output 1100 V / 2.5 A

Description

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.

Features

  • 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

Typical applications

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

Products

Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
SizeVersionISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
Material Samples
74435571100SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

8 files Active i| Production is active. Expected lifetime: >10 years.WE-HCI SMT Flat Wire High Current Inductor 10 16.4 7.45 16 1890 SMT 8.8 18.5 6.9 MnZn
7447785147SPEC
8 files Active i| Production is active. Expected lifetime: >10 years.WE-PD SMT Power Inductor 47 0.88 0.74 600 16.5 6033 Robust 0.74 0.9
Order Code Data­sheet Simu­lation
74435571100SPEC

PCN pending

Due to a pending PCN there will be a new datasheet revision issued for this order code soon. Please find the actual as well based on valid PCN date the new revision datasheet below. If you have further questions please get in contact with our sales staff.

7447785147SPEC
Samples
Order Code Data­sheet Simu­lation Downloads Status Product seriesL
(µH)
IRP,40K
(A)
ISAT
(A)
RDC max.
(mΩ)
fres
(MHz)
SizeVersionISAT,10%
(A)
ISAT,30%
(A)
RDC
(mΩ)
Material Samples