Datasheet Summary
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 pensation Minimizes COUT Programmable Fixed Frequency: 150kHz to 300kHz ±1% Output...