FEATURES
Enables Power Supply Tracking of multiple Supplies Monitors Current on Supply being Tracked Up/Down Tracking limits Supply Differences to ~100mV Capacitor Adjustable Slew Rate On Board Charge Pump Fully enhances FET Ability to Track Down Supplies (ADM1203-1/3) Emergency Shutdown Feature (ADM1203-2/4) Auto retry after Current Fault (ADM1203-1/2) Latch off after Current Fault (ADM1203-3/4) Packaged in tiny 8-Lead TSOT Package Simple Tracker TM with Circuit Breaker ADM1203 every cycle determined by the capacitor on the TIMER pin and the ADM1203-3/4 will latch off the gate until the up/down(stop) pin is toggled. Functional Block Diagram Rs VIN Q1 V OUT VCC RS- APPLICATIONS
Multi-Voltage Supply Rail Tracker Telecoms and Datacom s Systems Multi voltage Network Processors , FPGAs, ASICs, DSPs PC/Server APPLICATIONS
UP/DOWN (ADM1203-1/3) UP/STOP (ADM1203-2/4) CSLEW VCC GATE FET DRIVER 20nF LOGIC SLEW RATE CONTROL VOUT GENERAL DESCRIPTION
CSLEW CTIMER TIMER CONTROL ADM1203 CTIMER GND The ADM1203 is a cascadable Simple Tracker TM device which ensures that voltage rails track within ~100mV of each other in multi supply systems.
Analog Devices
