Microchip微芯 MCP16311 产品介绍
2026-04-14
0次
说明
MCP16311是一款紧凑、高效、固定频率的PWM/PFM同步降压DC-DC转换器,采用8引脚MSOP或2 x 3 TDFN封装,可在高达30V的输入电压源下工作。集成功能包括高侧和低侧开关、固定频率峰值电流模式控制、内部补偿、峰值电流限制和过热保护。MCP16311为本地DC-DC转换提供所有有源功能,具有快速的瞬态响应和精确的调节。
特性
- Up to 95% Efficiency
- Input Voltage Range: 4.4V to 30V
- 1A Output Current Capability
- Output Voltage Range: 2.0V to 24V
- 170mΩ, Low Side
- 300mΩ, High Side
- Stable Reference Voltage: 0.8V
- MCP16312 provides PWM-only operation
- Low Device Shutdown Current: 3 μA typical
- 44 μA (non-switching, PFM Mode)
- Internal Compensation
- Internal Soft-Start: 300 μs (EN low to high)
- Peak Current Mode Control
- Cycle-by-Cycle Peak Current Limit
- 4.1V typical to start
- 3.6V typical to stop
- Overtemperature Protection
- MSOP-8 or 2x3 TDFN-8 package
参数
类型 | 描述 |
Max Duty Cycle (%) | 94 |
Input Voltage Range Max | 30 |
Input Voltage Range Min | 4.4 |
# of Outputs | 1 |
Output Current | 1000 |
Driver Type | Step Down (Buck) |
QuiescentCurrent | 0.085 |
Synchronous Rectifier | Yes |
Temp Range Max | 125 |
Temp Range Min | -40 |
VoutMax | 24 |
Vfb (V) | 0.8 |
VoutMin | 2 |



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