High Efficiency Synchronous Step-down DCDC Converter with Programmable Frequency, SCT2A10A P2P LM5163.
SCT2A10A
SCT2A10A.pdf
SCT2A10A.pdfFEATURES
? Wide Input Range: 4.5V-100V
? 0.6A Continuous Output Current
? 0.8V ±1% Feedback Reference Voltage
? Integrated 770mΩ High-Side and 460mΩ Low-
Side Power MOSFETs
? Pulse Frequency Modulation (PFM) with 100uA
Quiescent Current in Sleep Mode
? 4ms Internal Soft-start Time
? Adjustable Frequency 300KHz to 800KHz
? 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
