TEA1206
FEATURES
- Fully integrated DC/DC converter circuit
- Up-or-down conversion
- Start-up from 1.8 V input
- Adjustable output voltage
- High efficiency over large load range
- Power handling capability up to 1 A continuous average current
- 600 k Hz switching frequency
- Low quiescent power consumption
- Synchronizes to external 9 to 20 MHz clock
- True current limit for Li-ion battery patibility
- Up to 100% duty cycle in down mode
- Undervoltage lockout
- Shut-down function
- 8-pin SO package. APPLICATIONS
TEA1206T
- Cellular and cordless phones, PDAs and others
- Supply voltage source for low-voltage chip sets
- Portable puters
- Battery backup supplies
- Cameras. GENERAL DESCRIPTION
The TEA1206T (see Fig.1) is a fully integrated DC/DC converter circuit. Efficient, pact and dynamic power conversion is achieved using a novel, digitally controlled Pulse Width and Frequency Modulation (PWFM) like control concept, integrated low Rds ON CMOS power switches with low parasitic capacitances,...
