LTC1706C-19 Datasheet | Linear Technology

LTC1706-19 VID Voltage Programmer Features s s DESCRIPTIO s s s s Programs Regulator Output Voltage from 1.3V to 2V in 50m V Steps Programs an Entire Family of Linear Technology DC/DC Converters Fully pliant with the Intel Mobile VID Specification ± 0.25% Accurate Output Voltage Built-In 40k Pull-Up Resistors on VID Inputs Available in SO-8 Packaging The LTC®1706-19 is a precision, digitally programmed, resistive ladder which adjusts the output of any 1.19V referenced regulator. Depending on the state of the four VID inputs, an output voltage between 1.3V and 2V is programmed in 50m V increments. The LTC1706-19 is designed specifically to program an entire family of Linear Technology DC/DC converters in full pliance with the Intel Mobile VID specification. The LTC1706-19 programs the following Linear Technology DC/DC converter products: LTC1433, LTC1434, LTC1435, LTC1435A, LTC1436, LTC1437, LTC1438, LTC1439, LTC1538-AUX, LTC1539, LTC1624 and LTC1625. (Consult factory for future patible DC/DC converter products.) , LTC and LT are registered trademarks of Linear Technology Corporation. Pentium is a registered trademark of Intel Corporation. U APPLICATIONS s s s s Intel Mobile Pentium® II Processor Power Supply Notebook and Palmtop puters, PDAs Portable Instruments Battery-Powered Equipment TYPICAL APPLICATIO COSC 47p F 1 2 3 CSS 0.1µF COSC RUN/SS ITH LTC1435A CC 1000p F CC2 220p F RC 10k 50p F Intel Mobile Pentium II Processor Power Supply RF 4.7Ω VIN 4.5V TO 22V VIN TG 13 16 M1 Si4410 CF 0.1µF + CIN 10µF 30V X2 RSENSE 0.015Ω VOUT 1.3V TO 2V 7A L1 3.3µH INTVCC 5 6 SGND VOSENSE BOOST BG PGND SENSE - 7 SENSE+ 8 - DB 0.22µF 15 + 11 10 4.7µF M2 Si4410 D1 MBRS140T3 VID 0 1 2 3 GND 1000p F - CMDSH-3 1706-19 TA01 SENSE...