LTC3737

PRODUCTION

Dual 2-Phase, No RSENSE™ DC/DC Controller with Output Tracking

Part Models
4
1ku List Price
Starting From $4.86
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Part Details

  • Sense Resistor Optional
  • Out-of-Phase Controllers Reduce Required Input Capacitance
  • Programmable Output Voltage Tracking
  • Constant Frequency Current Mode Architecture
  • Wide VIN Range: 2.75V to 9.8V
  • Wide VOUT Range: 0.6V to VIN
  • 0.6V ±1.5% Reference
  • Low Dropout Operation: 100% Duty Cycle
  • True PLL for Frequency Locking or Adjustment (Frequency Range 250kHz to 850kHz)
  • Selectable Burst Mode® or Pulse Skipping Operation at Light Loads
  • Internal Soft-Start Circuitry
  • Selectable Maximum Peak Current Sense Threshold
  • Power Good Output Voltage Monitor
  • Output Overvoltage Protection
  • Micropower Shutdown: IQ = 9µA
  • Tiny 4mm × 4mm QFN and 24-Lead SSOP Packages
LTC3737
Dual 2-Phase, No RSENSE™ DC/DC Controller with Output Tracking
Figure 1. High Efficiency, 2-Phase, 550kHz Dual Step-Down Converter Efficiency and Power Loss 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
Multiple Output Buck Regulators 1
LTC3880 RECOMMENDED FOR NEW DESIGNS Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
Silicon Oscillators 2
LTC6908 Resistor Set SOT-23 Oscillator with Spread Spectrum Modulation
LTC6909 PRODUCTION 1 to 8 Output, Multiphase Silicon Oscillator with Spread Spectrum Modulation
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Evaluation Kits

eval board
DC664A

LTC3737EUF | 2-Phase Dual Step-Down DC/DC Converter, VIN = 2.75V - 9.8V, VOUT1 = 2.5V at 2.5A, VOUT2 = 1.8V at 3A

Product Details

DC664A: Demo Board for the LTC3737 Dual 2-Phase, No RSENSE DC/DC Controller with Output Tracking.


 


DC664A
LTC3737EUF | 2-Phase Dual Step-Down DC/DC Converter, VIN = 2.75V - 9.8V, VOUT1 = 2.5V at 2.5A, VOUT2 = 1.8V at 3A
DC664A - Schematic

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