Datasheet Summary
LTC1873 Dual 550kHz Synchronous 2-Phase Switching Regulator Controller with 5-Bit VID
Features s s
DESCRIPTIO s s s s s s s s s s
Two Independent PWM Controllers in One Package Side 1 Output Is pliant with Intel Desktop VRM 8.4 Specifications (Includes 5-Bit VID DAC) 1.3V to 3.5V Output Voltage with 50mV/100mV Steps Two Sides Run Out-of-Phase to Minimize CIN All N-Channel External MOSFET Architecture No External Current Sense Resistors Required Precison Internal 0.8V ± 1% Reference 550kHz Switching Frequency Minimizes External ponent Size Very Fast Transient Response Up to 25A Output Current per Channel Low Shutdown Current: < 100µA Small 28-Pin SSOP Package
U APPLICATIO S s s s...