Wide Vin 60V Non-synchronous Boost/Flyback/SEPIC Controller, SCT81620Q Replace LM3478.
SCT81620Q
SCT81620Q.pdf
SCT81620Q.pdfFEATURES
• Qualified for Automotive Applications
• AEC-Q100 Qualified with the Following Results:
- Device Temperature Grade 1: -40°C to 125°C
Ambient Operating Temperature Range
- Device HBM ESD Classification Level H2
- Device CDM ESD Classification Level C3B
• Wide Input Voltage Range: 2.92V-60V
• Low Shutdown Current 3.4uA
• Low Quiescent operating Current: 490uA
• +/- 1.5% Feedback Reference Voltage
• Adjustable Switching Frequency: 100KHz to 2.2MHz
• Integrated Frequency Dithering for EMI Mitigation
• External Frequency Synchronic
• External Compensation
• Supports additional Slope Compensation
• 4ms Internal Soft-start Time
• Integrated Protection Feature
- Constant Peak-Current Protection threshold
over input voltage
- Output Overvoltage Protection
- Adjust Under-Voltage Lockout
-Optional Hiccup Over Load Protection
- Thermal Shutdown Protection:165°C
• MSOP-8L(3mm*3mm) Package
PIN CONFIGUTION
优势替代
FEATURES
• 8-lead VSSOP-8 and SOIC-8 packages
• Internal Push-Pull Driver With 1-A Peak
Current Capability
• Current Limit and Thermal Shutdown
• Frequency Compensation Optimized With a
Capacitor and a Resistor
• Internal Soft Start
• Current Mode Operation
• Undervoltage Lockout With Hysteresis
• Create a Custom Design Using the LM3478
with the WEBENCH Power Designer
PIN CONFIGUTION
