Simple Tracker
Preliminary Technical Data
FEATURES
Enables Power Supply Tracking of multiple Supplies Monitors Current on Supply being ...
Description
Preliminary Technical Data
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
The ADM1203 is packaged in a tiny 8-pin TSOT package.
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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. Any number of these devices can be cascaded to form a multi supply tracking solution. The ADM1203 requires 2.7V to 16.5V on its Vcc pin to operate. An on-board charge pump generates a high voltage GATE drive to fully enhance FETs in the...
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