Catalog
60V Synchronous Buck
Key Features
• AEC-Q100 Grade1
• VIN8V to 60V
• Wide VOUTRange: 0.8V to near 100% of VIN
• VOUT1% Accuracy
• VFBAdjustable through SS/TR Pin
• Synchronous Rectification > 95% Efficiency @12VHigh-Side (120mΩ) Power MOSFETLow-Side (55mΩ) Power MOSFETs
• High-Side (120mΩ) Power MOSFET
• Low-Side (55mΩ) Power MOSFETs
• Low Quiescent Current 43μA
• Switching Frequency 300kHz to 2.5MHz
• Force PWM or PFM Mode through MSYNC
• Synchronization to External Clock
• Programmable Startup Control
• ▪ Startup with Pre-Biased Output
• ▪ External Soft-Start with Tracking
• ▪ High Voltage Enable Pin with High Precision
• Protection and Diagnosis FunctionsPower Good (PG) DetectionThermal Shutdown Protection
• Power Good (PG) Detection
• Thermal Shutdown Protection
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free. "Green" Device (Note 3)
• The AL8890Q/AL88902Q is suitable for automotive applications requiring specific change control; this part is AEC-Q100 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.https://www.diodes.com/quality/productdefinitions/
Description
AI
The AL8890Q/AL88902Q is a synchronous buck converter with internal compensation and switching frequency adjustable up to 2.5MHz. The device integrates a 120mΩ high-side power MOSFET and a 55mΩ low-side power MOSFET to provide high-efficiency DC-DC conversion.