产品概览
The LM5163DDAR from Texas Instruments is a 100V input, 0.5A synchronous buck DC/DC converter with ultra-low IQ in an SO PowerPAD-8 package. Featuring integrated high-side and low-side MOSFETs, constant on-time control, and 10.5uA no-load quiescent current, it supports both buck and Fly-Buck isolated topologies for industrial and automotive applications.
主要规格
| 输入电压范围 | 6 V to 100 V |
| 输出电流 | 0.5 A |
| Integrated MOSFETs | 0.725 Ohm HS + 0.34 Ohm LS |
| 开关频率 | 75 kHz to 1 MHz (adjustable) |
| No-Load Quiescent Current | 10.5 uA (typical) |
| 关机电流 | 3 uA |
| Max Duty Cycle | 99% |
| Soft Start | 3 ms fixed |
| 包装 | SO PowerPAD-8 (DDA) (4.9 x 6 mm) |
| 工作温度 | -40 to +150 C (Tj) |
特点
- Wide 6V to 100V input range for automotive and industrial power systems
- Integrated 0.725 Ohm high-side and 0.34 Ohm low-side MOSFETs
- Ultra-low 10.5uA no-load input quiescent current
- Fly-Buck topology supports isolated output with coupled inductor
- Constant on-time (COT) control with no loop compensation needed
- Peak and valley current limit protection with foldback
应用
- Industrial 24V/48V DC-DC buck converters
- Automotive 48V mild hybrid ECU bias supplies
- Isolated bias supplies using Fly-Buck topology
- Telecom 48V bus converters
- Building automation power supplies