LT1765

PRODUCTION

Monolithic 3A, 1.25MHz Step-Down Switching Regulator

Part Models
12
1ku List Price
Starting From $5.56
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Part Details

  • 3A Switch in a Thermally Enhanced 16-Lead TSSOP or 8-Lead SO Package
  • Constant 1.25MHz Switching Frequency
  • Wide Operating Voltage Range: 3V to 25V
  • High Efficiency 0.09Ω Switch
  • 1.2V Feedback Reference Voltage
  • Uses Low Profile Surface Mount Components
  • Low Shutdown Current: 15µA
  • Synchronizable to 2MHz
  • Current Mode Loop Control
  • Constant Maximum Switch Current Rating at All Duty Cycles*
  • Available in 8-Lead SO and 16-Lead Thermally Enhanced TSSOP Packages
LT1765
Monolithic 3A, 1.25MHz Step-Down Switching Regulator
5V to 3.3V Step-Down Converter Efficiency vs Load Current Product Package 1 Product Package 2
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Documentation

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital Power System Managers 1
LTC2974 RECOMMENDED FOR NEW DESIGNS 4-Channel PMBus Power System Manager Featuring Accurate Output Current Measurement
Dual-Supply Monitors 1
LTC2960 RECOMMENDED FOR NEW DESIGNS 36V Nano-Current Two-Input Voltage Monitor
Silicon Oscillators 1
LTC6909 PRODUCTION 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LT4363 RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper with Current Limit
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Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.


Evaluation Kits

eval board
DC436A

LT1765ES8 | Wide Input Range, 1.25MHz Step-Down DC/DC Converter, 8.5V~25VIN, 5VOUT @ 2A

Product Details

DC436A: Demo Board for the LT1765 Monolithic 3A, 1.25MHz Step-Down Switching Regulators.

eval board
DC476A

LT1765EFE | Wide Input Range, 1.25MHz Step-Down DC/DC Converter, 3V to 25V Input, Jumper Selectable 3.3V or 5VOUT @ 2A

Product Details

DC476A: Demo Board for the LT1765 - Monolithic 3A, 1.25MHz Step-Down Switching Regulators.


 


DC436A
LT1765ES8 | Wide Input Range, 1.25MHz Step-Down DC/DC Converter, 8.5V~25VIN, 5VOUT @ 2A
DC436A - Schematic
DC476A
LT1765EFE | Wide Input Range, 1.25MHz Step-Down DC/DC Converter, 3V to 25V Input, Jumper Selectable 3.3V or 5VOUT @ 2A
DC476A - Schematic

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