The SGM61280 is a high efficiency and miniature size synchronous Buck converter for wide input voltage applications.
The SGM61280, 8A synchronous Buck converter with integrated low RDSON MOSFET switches, provides SGM61280-3.3 and SGM61280-5.1 efficient fixed output voltage version. The device uses constant on-time (COT) control for fast transient response and supports input voltage range from 4.5V to 23V for the SGM61280-3.3, and 5.1V to 23V for the SGM61280-5.1.
The SGM61280 is available in a space-saving Green UTQFN-3×3-12AL package.
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特性
- 8A Output Current
- Fixed Output Voltage
- Wide Input Voltage Range:
- 4.5V to 23V Input Range for SGM61280-3.3
- 5.1V to 23V Input Range for SGM61280-5.1
- Constant On-Time (COT) Control
- Low RDSON MOSFET Switches (22mΩ/7mΩ)
- 21mΩ/6mΩ for SGM61280-3.3
- 21mΩ/7mΩ for SGM61280-5.1
- Fast Transient Response, Accurate Regulation
- Supports All Low ESR MLCC Output Capacitors
- Fixed Switching Frequency
- LDO Output Voltage
- Internal Soft-Start
- Integrated Output Discharge Resistance
- Cycle-by-Cycle Valley Over-Current Protection
- Input Under-Voltage Lockout
- Thermal Shutdown Protection
- Output Over/Under-Voltage Protection
- Audio Avoid Mode (AAM) to Avoid PFM Acoustic Noise
- Available in a Green UTQFN-3×3-12AL Package
アプリケーション
Industrial Low Power Systems
Laptops and Notebook Computers
LCD Monitors and TVs
Green Electronics and Appliances
DSP, FPGA and ASIC Power Supplies
