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TSB41AB3IPFP , IEEE 1394A-2000 THREE-PORT CABLE TRANSCEIVER / ARBITER
TPS40042DRCR-TPS40042DRCT
Low Pin Count, Low Vin, Synchronous Buck DCDC Controller with Tracking
1FEATURES
CONTENTS
APPLICATIONSIN
Enable
Reference Input
TPS40042SLUS777–NOVEMBER 2007
www.ti.com
LOW PIN COUNT, LOWVIN (3.0V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC
CONTROLLER WITH EXTERNAL REFERENCE INPUT 3.0-Vto 5.5-V Input External Reference required: 0.5Vto 1.5V Device Ratings 2•
Output Voltage from REFINto 90%of VIN Electrical Characteristics 4•
High-Side Drive for N-Channel FETDevice Information 8•
SupportsApplication Information 10•
Adaptive Fixed Design Examples 18
Mode Additional References 28•
Three
Levels Hiccup Active Low Enable•
Thermal Shutdown Protectionat 145°C•
10-Pin, 3-mmx 3-mm SON (DRC) DDR Memory Pointof Load Telecommunications DCto DC Modules