U U
FEATURES
s Wide Input Voltage Range LT1940: 3.
6V to 25V LT1940L: 3.
6V to 7V
s Two 1.
4A Output Switching
Regulators with Internal Power Switches
s Constant 1.
1MHz Switching Frequency s Anti-Phase Switching Reduces Ripple s Independent Shutdown/Soft-Start Pins s Independent Power Good Indicators Ease
Supply Sequencing s Uses Small Inductors and Ceramic Capacitors s Small 16-Lead Thermally Enhanced
TSSOP Surface MUount Package APPLICATIO S
s Disk Drives s DSP Power Supplies s Wall Transformer Regulation s Distributed Power Regulation s DSL Modems s Cable Modems
, LTC and LT are registered trademarks of Linear Technology Corporation.
LT1940/LT1940L
Dual Monolithic 1.
4A, 1.
1MHz Step-Down
Sw...