100V Input, 2.5A Non-Synchronous Buck DC/DC Converter With Ultra-low IQ, SCT2A26 Replace LM5012.
SCT2A26
SCT2A26.pdf
SCT2A26.pdfFEATURES
• Wide Input Range: 5.5V-100V
• Maximum Output Voltage: 30V
• 2A Continuous Output Current
• 4A Peak Current Limit
• Integrated 500mΩ High-Side Power MOSFET
• 140uA Quiescent Current
• 1.2V ±1% Feedback Reference Voltage
• 4ms Internal Soft-start Time
• Fixed Switching Frequency at 300KHz
• 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
CROSS
FEATURES
• Designed for reliable and rugged applications
– Wide input voltage range of 6 V to 100 V
– –40°C to +125°C junction temperature range
– Fixed 3-ms internal soft-start timer
– Peak current-limit protection
– Input UVLO and thermal shutdown protection
• Functional Safety-Capable
– Documentation available to aid functional safety
system design
• Optimized for ultra-low EMI requirements
– Meets CISPR 25 Class 5 standard
• Suited for scalable industrial power supplies
– Pin-to-pin compatible with the LM5163 and
LM5164 (100 V, 0.5 A or 1 A), and LM5013-Q1
(100 V, 3.5A)
– 50-ns low minimum on and off times
– Diode emulation for high light-load efficiency
– 10-µA no-load sleep current
– 3.1-µA shutdown quiescent current
• Integration reduces solution size and cost
– COT mode control architecture
– Integrated 100-V 0.25-Ω power MOSFET
– 1.2-V internal voltage reference
– No loop compensation components
– Internal VCC bias regulator and boot diode
• Create a custom regulator design using
WEBENCH® Power Designer
PIN CONFIGUTION
