SC1406 Semtech Corporation, SC1406 Datasheet
SC1406
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SC1406 Summary of contents
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... PRELIMINARY - August 27, 1999 DESCRIPTION The SC1406 is a High Speed, High performance Hys- teretic Mode controller part of a two chip solution, with the SC1405 Smart Driver, providing power to ad- vanced micro-processors. It uses a Dynamic Set Point switching technique along with an ultra-fast compara- tor to provide the control signal to an external high speed Mosfet driver ...
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... Core comparator reference input pin Current limit input pin. 28 CLREF Current limit reference input pin. © 1999 SEMTECH CORP. ® PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406 2 NEWBURY PARK CA 91320 ...
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... EN is high PWRGD I = 10µA (sink high PWRGD I = 10µA (sink), UVLO PWRGD During the latency time (50µs) of any VID code change Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406 MAXIMUM UNITS 0 GND - 0.3 ...
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... CMP step with 20mV overdrive 25° full range 10pF 3. 100K Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406 MIN TYP MAX UNITS 0.6 1 1.45 0.30 1 1.53 1.70 1.87 150 400 0.7 -0.85 +0.85 35 ±2 ±1.5 ± ± ...
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... full range 1.3V, CMPREF -50mV step with -20mV overdrive 25° full range A Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406 MIN TYP MAX UNITS 7.5 CLREF CL = 10mV V -V 5.0 CLRER CL = -10mV V -V 262.5 300 337 ...
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... VCOUT C = 1500pF, VCIN steps from VCIN_VCOUT VCBYP 0.175V to 1.50V and back. Measured from 50% of VCIN step to 50% of VCOUT transient Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406 MIN TYP MAX UNIT 1 > 1.47 1.50 1.54 MIN 10 120 1 > 2.45 2.50 2.55 MIN 3 ...
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... Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406 MAX 1% > 1.692 1.666 1.641 1.616 1.591 1.565 1.540 1.515 1.490 1.464 1.439 1.414 1.389 1.363 1 ...
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... The sense voltage is scaled up by the DSPS gain, A DSPS external resistors ( DSPS Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406 HYS 1.7V REF R HYS to the VID code programmed CORE . ...
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... Rdac Roh Roh ) Re sr Rcore ( Roffset Roh Roh Re sr Rcore Roffset Rdac Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406 voltage symmetrically and not just DAC , connected CLOH 3 V REF R CLSET R CLOH 2 V REF R CLSET R ...
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... The level translator has to track the input in phase, and must be able to switch in 5ns (typical) following an input threshold intercept. Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406 10 NEWBURY PARK CA 91320 ...
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... PRELIMINARY - August 27, 1999 OUTLINE DRAWING - TSSOP-28 © 1999 SEMTECH CORP. ® PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406 11 NEWBURY PARK CA 91320 ...