Semtech Corporation SC2 Hoja de datos

No.	parte #	Fabricante	Descripción
1	SC2443	Semtech Corporation	Dual-Phase Single or Two Output Synchronous Step-Down Controller u Wide input voltage range: 4.7V to 16V u 0.5V feedback voltage for low-voltage outputs u Programmable frequency up to 1 MHz per phase u 2-Phase synchronous continuous conduction mode for high efficiency step-down converters u Out-of-phase operation
2	SC2643VX	Semtech Corporation	Multi-Platform Multi-Phase PWM Controller of the SC2643VX is its voltage regulation accuracy. Not only does it provide better than 0.5% set point accuracy, but also the accuracy to be fully compliant with stringent load line slope specifications mandated by the modern microprocessors. Lossle
3	SC2655	Semtech Corporation	Programmable Synchronous DC/DC Hysteretic Controller include an integrated 5 bit D/A converter, temperature compensated voltage reference, current limit comparator, over-current protection, and an adaptive deadtime circuit to prevent shoot-through of the power MOSFET during switching transitions. Power
4	SC2442	Semtech Corporation	High Performance Wide Input Range Dual Synchronous Buck Controller include: bootstrapping for high side drive supplies, asynchronous mode start up, power up sequencing to prevent latchups, individual soft start for each convertor, bootstrapped drivers for high side N-channel MOSFETs, input side current sensing, dual
5	SC2450	Semtech Corporation	BI-Phase/Dual Controller ization to external clock Multi-converter synchronization Soft start .ast transient response Max duty cycle 45% Output over voltage protection Applications K Power supplies for advanced telecoms/datacoms K SO IP, Ethernet and PABX power supplies
6	SC2608B	Semtech Corporation	Synchronous Voltage Mode PWM Controller include temperature compensated voltage reference, triangle wave oscillator, current limit comparator, and an externally compensated error amplifier. Current limit is implemented by sensing the voltage drop across the bottom MOSFET RDS(ON). The SC260
7	SC2620	Semtech Corporation	30V Step-down Regulator Wide Input Voltage Range 2.8V to 30V Up to 1.4MHz/Channel Programmable Switching Frequency Current-mode Control Out of Phase Switching Reduces Ripple Cycle-by-cycle Current-limiting Independent Shutdown/soft-start Pins Independent Hiccup Overload
8	SC2621A	Semtech Corporation	Voltage Mode PWM Controller necessary for a synchronous buck converter and a linear regulator in high performance graphic card applications. The SC2621A is designed to directly drive the top and bottom MOSFETs of the buck converter. It uses an internal 8.2V supply as the gate d
9	SC2442H	Semtech Corporation	High Performance Wide Input Range Dual Synchronous Buck Controller include: bootstrapping for high side drive supplies, asynchronous mode start up, power up sequencing to prevent latchups, individual soft start for each convertor, bootstrapped drivers for high side N-channel MOSFETs, input side current sensing, dual
10	SC2602	Semtech Corporation	Synchronous Voltage Mode Controller include temperature compensated voltage reference, triangle wave oscillator and current sense comparator circuitry. Power good signaling, shutdown, and over voltage protection are also provided. The SC2602 operates at a fixed 200kHz and the SC2602A a
11	SC2602A	Semtech Corporation	Synchronous Voltage Mode Controller include temperature compensated voltage reference, triangle wave oscillator and current sense comparator circuitry. Power good signaling, shutdown, and over voltage protection are also provided. The SC2602 operates at a fixed 200kHz and the SC2602A a
12	SC2595	Semtech Corporation	Integrated Linear DDR Termination Regulator Regulates while sourcing or sinking 1.5A AVCC range is from 2.5V to 5V Reference output Minimum number of external components Accurate internal voltage divider SOIC-8L EDP package. Also available in Lead-free package, fully WEEE and RoHS
13	SC2596	Semtech Corporation	Low Voltage Integrated DDR Termination Regulator Sourcing or sinking 2.5A for DDR-I Sourcing or sinking 1.5A for DDR-II AVCC undervoltage lockout Reference output Minimum number of external components Accurate internal voltage divider Disable function, puts device into sleep m
14	SC2621	Semtech Corporation	500kHz Voltage Mode PWM Controller necessary for a synchronous buck converter and a linear regulator in high performance graphic card applications. The SC2621 is designed to directly drive the top and bottom MOSFETs of the buck converter. It uses an internal 8.2V supply as the gate dr
15	SC2647	Semtech Corporation	Multi-Platform Multi-Phase PWM Controller of the SC2647 is its voltage regulation accuracy. Not only it provides better than 0.5% set point accuracy, but also the accuracy to fully complaint with the stringent load line slope specifications mandated by the modern microprocessors. Lossless ou
16	SC2441	Semtech Corporation	Very Low Input Voltage 2-Phase Synchronous Step-down Controllers 2-Phase Synchronous step-down controllers 2-Phase Synchronous Continuous Conduction Mode For High Efficiency Step-down Converters Out of Phase Operation For Low Input Current Ripples Operates Up To 1MHz Per Channel Configurable Dual Outputs O
17	SC2441A	Semtech Corporation	1.8V to 20V Input 2-Phase Synchronous Step-down Controllers 2-Phase Synchronous Step-down Controllers u 2-Phase Synchronous Continuous Conduction Mode u Out of Phase Operation for Low Input Current Ripple u Operates up to 1MHz Per Channel u Excellent Current Sharing Between Phases u Duty Cycle Up to 90% u 0.5
18	SC2446	Semtech Corporation	Dual-Phase Single or Two Output Synchronous Step-Down Controller 2-Phase synchronous continuous conduction mode for high efficiency step-down converters Out of phase operation for low input current ripples Output source and sink currents Fixed frequency peak current-mode contr
19	SC2446A	Semtech Corporation	Dual-Phase Single or Two Output Synchronous Step-Down Controller 2-Phase synchronous continuous conduction mode for high efficiency step-down converters Out of phase operation for low input current ripples Output source and sink currents Fixed frequency peak current-mode control
20	SC2447	Semtech Corporation	Dual-Phase Single or Two Output Synchronous Step-Down Controller 2-Phase Step-down Controller optimized for Philips or Renesas DrMOSTM Out of Phase Operation for Low Input Current Ripple Outputs Source and Sink Current Fixed Frequency Peak Current-Mode Control Lossless Inductor DCR Current Sensing Optional Resisto