LTC1705

PRODUCTION

Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO

Part Models
2
1ku List Price
Starting From $5.74
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Part Details

  • Three Regulated Outputs: Core, I/O and CLK in One Package
  • Integrated Intel Mobile 5-Bit VID DAC
  • No External Current Sense Resistors
  • All N-Channel External MOSFET Architecture
  • 550kHz Switching Frequency Minimizes External Component Size and Cost
  • Integrated 150mA LDO Linear Regulator
  • Excellent DC Accuracy: 1.25% for Core, 2% for I/O and CLK Supplies
  • PGOOD Flag Monitors All Three Outputs
  • High Efficiency Over Wide Load Current Range
  • Low Shutdown Current: < 100µA
  • Switchers Run Out-of-Phase to Minimize CIN
  • Small 28-Pin Narrow SSOP Package
LTC1705
Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO
Intel Mobile Pentium VRM Supply Product Package 1
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Documentation

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
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Evaluation Kits

eval board
DC295B

LTC1705EGN | Intel Geyserville VRM, VIN = 4.5 - 5.5V, 0.925V - 2V @ 14Amp with 1.5V @ 2.5A and 2.5V @ 150mA Output (Requires DC296A for testing)

Product Details

DC295B: Demo Board for LTC1705 Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO.

DC295B
LTC1705EGN | Intel Geyserville VRM, VIN = 4.5 - 5.5V, 0.925V - 2V @ 14Amp with 1.5V @ 2.5A and 2.5V @ 150mA Output (Requires DC296A for testing)
DC295B - Schematic

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