Datasheet Summary
Final Electrical Specifications
LT1949-1 1.1MHz, 1A Switch PWM DC/DC Converter
June 2000
DESCRIPTIO
Features s s s s s s s s
1A, 0.5Ω, 30V Internal Switch 1.1MHz Fixed Frequency Operation Operates with VIN as Low as 1.5V Low-Battery Detector Stays Active in Shutdown Low VCESAT Switch: 410mV at 800mA Pin-for-Pin patible with the LT1317B Uses Ceramic Capacitors Small 8-Lead MSOP Package
U APPLICATIO S s s s s s
The LT ®1949-1 is a fixed frequency step-up DC/DC converter with a 1A, 0.5Ω internal switch. Capable of generating 10V at 175mA from a 3.3V input, the LT1949-1 is ideal for generating bias voltages for large screen LCD panels. Constant frequency 1.1MHz operation results in a...