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LTC1709-8

Linear Technology
Part Number LTC1709-8
Manufacturer Linear Technology
Description 2-Phase/ 5-Bit VID/ Current Mode/ High Efficiency/ Synchronous Step-Down Switching Regulators
Published Mar 27, 2005
Detailed Description Final Electrical Specifications LTC1709-8/LTC1709-9 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step...
Datasheet PDF File LTC1709-8 PDF File

LTC1709-8
LTC1709-8

Overview
Final Electrical Specifications LTC1709-8/LTC1709-9 2-Phase, 5-Bit VID, Current Mode, High Efficiency, Synchronous Step-Down Switching Regulators May 2000 FEATURES s DESCRIPTIO s s s s s s s s s s s s s U APPLICATIO S s s s s Single Controller Operates Two Output Stages: Antiphase Reducing Required Input Capacitance and Power Supply Induced Noise Two 5-Bit Desktop VID Codes: LTC1709-8 For VRM8.
4 (VOUT from 1.
3V to 3.
5V) LTC1709-9 For VRM9.
0 (VOUT from 1.
1V to 1.
85V) Current Mode Control Ensures Best Current Sharing True Remote Sensing Differential Amplifier Power Good Output Indicator OPTI-LOOPTM Compensation Minimizes COUT Programmable Fixed Frequency: 150kHz to 300kHz ±1% Output Voltage Accuracy Wide VIN Range: 4V to 36V Operation Adjustable Soft-Start Current Ramping Internal Current Foldback and Short-Circuit Shutdown Overvoltage Soft Latch Eliminates Nuisance Trips Low Shutdown Current: 20µA Available in 36-Lead SSOP Package The LTC®1709-8/LTC1709-9 are 2-phase, VID progra...


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