Description
Obsolete Device TC125/TC126 PFM Step-Up DC/DC Regulators .
The TC125/126 step-up (Boost) switching regulators furnish output currents to a maximum of 80 mA (VIN = 2V, VOUT = 3V) with typical efficiencies abov.
Features
* Assured Start-up at 0.9V
* PFM (100 kHz Max. Operating Frequency)
* 40 μA Maximum Supply Current
(VOUT = 3V @ 30 mA)
* 0.5 μA Shutdown Mode (TC125)
* Voltage Sense Input (TC126)
* Requires Only Three External Components
* 80 mA Maximum Outpu
Applications
* Palmtops/PDAs
* Battery-Operated Systems
* Cameras
* Portable Communicators
Device Selection Table
Part Number
Output Voltage
(V)
* Package
Operating Temp. Range
TC125501ECT 5.0 TC125331ECT 3.3 TC125301ECT 3.0 TC126501ECT 5.0 TC126331ECT 3.3 TC126301ECT 3.