LTC3607

PRODUCTION

Dual 600mA 15V Monolithic Synchronous Step-Down DC/DC Regulator

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Part Models
8
1ku List Price
Starting From $2.84
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Part Details

  • High Efficiency: Up to 96%
  • Very Low Quiescent Current: 55μA Total
  • 2.25MHz Constant Frequency Operation
  • Low Dropout Operation: 100% Duty Cycle
  • Low-Ripple (Typical 30mVP-P) Burst Mode® Operation
  • Peak Current-Mode Control Architecture for Excellent Line and Load Transient Response
  • Wide Voltage Input Range: 4.5V to 15V
  • 600mA/Channel Rated Output Current
  • 0.6V Reference Allows Low Output Voltages
  • ±1.5% Output Voltage Accuracy
  • Ultralow Shutdown Current: IQ < 1μA
  • Internal Compensation
  • Power Good Outputs
  • Externally Frequency Synchronization (1MHz to 4MHz)
  • Independent Internal Soft-Start for Each Channel
  • Small 16-Lead Thermally Enhanced Thin QFN (3mm × 3mm) and MSE Packages
LTC3607
Dual 600mA 15V Monolithic Synchronous Step-Down DC/DC Regulator
LTC3607 Feature Image Efficiency and Power Loss vs Load Current Product Package 1 Product Package 2
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

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
LTC2977
RECOMMENDED FOR NEW DESIGNS 8-Channel PMBus Power System Manager Featuring Accurate Output Voltage Measurement
PowerPath, Ideal Diodes, and Load Switches 1
LTC4417
RECOMMENDED FOR NEW DESIGNS Prioritized PowerPath™ Controller
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LTC3607

LTpowerCAD 2

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.

LTpowerCAD

LTpowerCAD® is a power supply design program which selects power stage components, provides detailed power efficiency, shows quick loop Bode plot stability and load transient analysis, and can export to LTspice for simulation.

Evaluation Kits

eval board
schematic 1
DC1847A

LTC3607EMSE Demo Board (MSOP) | 4.5V ≤ VIN ≤ 15V; VOUT1: 1.2V/1.5V/1.8V @ 0.6A, VOUT2: 2.5V/3.3V/5V @ 0.6A

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Product Details

Demonstration circuit 1847 is a dual output regulator based on the LTC3607 monolithic dual channel synchronous buck regulator. The DC1847 has an input voltage range of 4.5V to 15V, with each regulator capable of delivering up to 600mA of output current. The DC1847 can operate in either Burst Mode® or pulse-skipping mode. In shutdown, the DC1847 can run off of less than 1μA total. The DC1847 is a very efficient circuit: up to 90%. The DC1847 uses the 16-Pin MSOP LTC3607 package, which has an exposed pad on the bottom-side of the IC for good thermal performance.


 


eval board
schematic 2
DC1596A

LTC3607EUD Demo Board (QFN) | 4.5V ≤ VIN ≤ 15V; VOUT1: 1.2V/1.5V/1.8V at 0.6A, VOUT2: 2.5V/3.3V/5V at 0.6A

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Product Details

Demonstration circuit DC1596 is a dual output regulator consisting of two constant-frequency step-down converters, based on the LTC3607 monolithic dual channel synchronous buck regulator. The DC1596 has an input voltage range of 4.5V to 15V, with each regulator capable of delivering up to 600mA of output current. The DC1596 can operate in either Burst Mode® operation or pulse-skipping mode. In shutdown, the DC1596 quiescent current is less than 1μA. The DC1596 is a very efficient circuit attaining up to 90%. The DC1596 uses the LTC3607’s 16-lead QFN package,which has an exposed pad on the bottom side of the IC for better thermal performance. These features, plus a set operating frequency range of 2.25MHz, make the DC1596 demo board an ideal circuit for industrial or distributed power applications.
DC1847A
LTC3607EMSE Demo Board (MSOP) | 4.5V ≤ VIN ≤ 15V; VOUT1: 1.2V/1.5V/1.8V @ 0.6A, VOUT2: 2.5V/3.3V/5V @ 0.6A
DC1847A - Schematic
DC1596A
LTC3607EUD Demo Board (QFN) | 4.5V ≤ VIN ≤ 15V; VOUT1: 1.2V/1.5V/1.8V at 0.6A, VOUT2: 2.5V/3.3V/5V at 0.6A
DC1596A - Schematic

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