100V Input, 0.5A Synchronous Buck DC/DC Converter With Ultra-low IQ, SCT2A12 Replace LM5163.
SCT2A12
SCT2A12.pdf
SCT2A12.pdfFEATURES
? Wide Input Range: 5.5V-100V
? Maximum Output Voltage: 30V
? 1A Continuous Output Current
? 1.8A Peak Current Limit when VIN <60V
? Integrated 970m? High-Side Power MOSFET
? 49uA Quiescent Current
? 1.2V Feedback Reference Voltage
? 3.5ms Internal Soft-start Time
? Fixed Switching Frequency at 390KHz
? COT Control Mode with Integrated Loop
Compensation
? Precision Enable Threshold for Programmable
Input Voltage Under-Voltage Lock Out Protection
(UVLO) Threshold and Hysteresis
? Cycle-by-Cycle Current Limiting
? Over-Voltage Protection
? Over-Temperature Protection
? Available in an ESOP-8 Package
PIN CONFIGUTION
優勢替代
FEATURES
? Designed for reliable and rugged applications
– Wide input voltage range of 6V to 100V
– Junction temperature range: –40°C to +150°C
– Fixed 3ms internal soft-start timer
– Peak and valley current-limit protection
– Input UVLO and thermal shutdown protection
? Optimized for ultra-low EMI requirements
– Meets CISPR 25 class 5 standard
? Suited for scalable Industrial power supplies and
battery packs
– Low minimum on- and off-times of 50ns
– Adjustable switching frequency up to 1MHz
– Diode emulation for high light-load efficiency
– 10.5μA no-load input quiescent current
– 3μA shutdown quiescent current
? Integration reduces design size and cost
– COT mode control architecture
– Integrated 0.725Ω NFET buck switch
– Integrated 0.34Ω NFET synchronous rectifier
eliminates external Schottky diode
– 1.2V internal voltage reference
– No loop compensation components
– Internal VCC bias regulator and boot diode
– Open-drain power good indicator
– 8-pin SOIC package with PowerPAD?
? Create a custom regulator design using
WEBENCH? power designer
PIN CONFIGUTION
