产品概览
The LMR23630FDRRR from Texas Instruments is a SIMPLE SWITCHER® 36V, 3A synchronous step-down converter in a 12-pin VQFN (3x3mm) package. It features a wide input voltage range of 4V to 36V and adjustable output from 1V to 28V, making it ideal for industrial power conditioning from unregulated sources. The device employs peak current-mode control with internal loop compensation for ease of use.
主要规格
| 输入电压范围 | 4V ~ 36V |
| Output Voltage Range | 1V ~ 28V (Adjustable) |
| 输出电流 | 3A (Continuous) |
| 开关频率 | 400kHz / 2.1MHz (Selectable) |
| 静态电流 | 75µA (PFM Mode, No Load) |
| 关机电流 | 2µA (Typical) |
| Min On-Time | 60ns |
| 包装 | 12-VQFN (3x3mm) Wettable Flank |
| 工作温度 | -40°C ~ +125°C |
特点
- Integrated synchronous rectification for high efficiency (>92%)
- Internal compensation minimizes external components
- PFM and forced PWM mode options
- Frequency synchronization to external clock
- Precision enable input for power sequencing
- Cycle-by-cycle current limit with hiccup-mode short-circuit protection
- Thermal shutdown protection
- Soft start into prebiased load
应用
- Factory and building automation: PLC, HVAC, elevator control
- Asset tracking systems
- General purpose wide VIN regulation
- Battery-powered industrial equipment
- Distributed power architectures