sc1406a Semtech Corporation, sc1406a Datasheet
sc1406a
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sc1406a Summary of contents
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... January 28, 2000 DESCRIPTION The SC1406A is a High Speed, High performance Hysteretic Mode controller part of a two chip solu- tion, with the SC1405 Smart Driver, providing power to advanced micro-processors. It uses a Dynamic Set Point switching technique along with an ultra-fast com- parator to provide the control signal to an external high speed Mosfet driver ...
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... Linear regulator output feedback Enable. SC1406A is enabled when this signal is High. This is capable of accepting 5.0V signal level. When used with the SC1405 driver, this pin can be connected to the PWRDY pin of the SC1405 to include UVLO feature on the V_5 (Intel Smart Driver’s V ...
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... CMPREF Core comparator reference input pin Current limit input pin. 28 CLREF Current limit reference input pin. © 2000 SEMTECH CORP. ® PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406A 3 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 SC1406A 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 SC1406A 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 SC1406A 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 SC1406A MIN TYP MAX UNIT 1 > 1.47 1.50 1.54 MIN 10 120 1 > 2.45 2.50 2.55 MIN 2 ...
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... Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD II & III SC1406A 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 SC1406A HYS HYS REF R HYS to the VID code programmed CORE . ...
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... Rdac Roh Roh ) Re sr Rcore ( Roffset Rdac Roh Re sr Rcore Roffset Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406A voltage symmetrically and not just DAC , connected CLOH 3 V HCL REF R CLSET R CLOH 2 V LCL REF ...
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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 SC1406A 11 NEWBURY PARK CA 91320 ...
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... January 28, 2000 TYPICAL APPLICATION SCHEMATIC Refer to application note AN99-12 for further information. © 2000 SEMTECH CORP. ® PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406A 12 NEWBURY PARK CA 91320 ...
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... OUT OUT © 2000 SEMTECH CORP. PORTABLE PENTIUM POWER SUPPLY CONTROLLER Output Ripple Voltage @ 1.6V, I OUT OUT Output Ripple Voltage @ V = 18V 1.6V, I OUT OUT Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406A = 12.0A = 12.0A NEWBURY PARK CA 91320 13 ...
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... Line Regulation & Efficiency 1.05 1.00 0.95 V reg % 0.90 Effi 0.85 0.80 0. 1.6V, I OUT Efficiency vs Input Line 0.95 0.90 0.85 % 0.80 0.75 1.4 1.5 1.6 1 1.3V, I OUT Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406A Vin 8.0A OUT Vin 8.0A OUT NEWBURY PARK CA 91320 Vreg Effi 14 ...
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... Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406A . Temperature @ Operating mode IN Operating @100'C Operating @ 20'C Operating @ 0 Voltage 100 Temperature, 'C 42.5k +10mV 42 ...
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... CLK LDO Load Regulation-Normalized for 100mA 103% 102% 101% 100% 99% 98% 97% 96% 95% 1.5 2.0 0 Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD ® II & III SC1406A DisCharge, mA Charge 100 Temperature, 'C 1.5V 2. 100 Temperature 'C 50 100 150 200 ...
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... January 28, 2000 OUTLINE DRAWING - TSSOP-28 ECN 99-755 ECN 00-856 © 2000 SEMTECH CORP. ® PORTABLE PENTIUM II & III POWER SUPPLY CONTROLLER Pentium is a registered trademark of Intel Corporation 652 MITCHELL ROAD SC1406A 17 NEWBURY PARK CA 91320 ...