Linear Technology LT1950
The LT1950’s operating frequency can be set with an external resistor over a 100kHz to 500kHz range and a SYNC pin allows the part to be synchronized to an external clock. The LT1950 is available in a small 16-Pin SSOP package.| Part No. | LT1950 |
|---|---|
| Datasheet | LT1950 Download |
| Manufacturer |  Linear Technology |
| Description | Single Switch PWM Controller |
| Buy | Stock & Price |
FEATURES
s s s s s s s s s s s s s s U APPLICATIO S s s s s Wide Input Range: 3V to 25V Programmable Volt-Second Clamp Output Power Levels from 25W to 500W Auxiliary Boost Converter Provides 10V Gate Drive from VIN as Low as 3V Programmable Operating Frequency (100kHz to 500kHz) with One External Resistor Programmable Slope Compensation Programmable Leading Edge Blanking ±2% Internal 1.23V Reference Accurate Shutdown Pin Threshold with Programmable Hysteresis 60ns Current Sense Delay 2.5V Auxiliary Reference Output Synchronizable to an External Clock up to 1.5● fOSC Current Mode Control Small 16-Pin SSOP Package Telecom Power Supplies Automotive Power Supplies Portable Electronic Equipment Isolated and Nonisolated DC/DC Converters TYPICAL APPLICATIO 36V to 72V DC to 26V/5A (Single Switch) Forward Converter 10VBIAS SLOPE 2.5V 0.1µF 249k VREF BOOST ROSC VIN VIN2 VSEC SHDN 1µF 18k Si7450 470k VIN MBRB20200 47µH 47µF VOUT 26V 5A EFFICIENCY (%) LT1950 BLANK SYNC GND FB GATE ISENSE PGND COM...
