说明
MIC2033是一种高侧MOSFET配电开关,利用5%的限流精度提高了系统可靠性。MIC2033的工作输入电压范围为2.5V至5.5V,内部限流,并具有热关闭功能,以保护设备和系统。MIC2033提供有源高或有源低逻辑电平使能输入控制,具有带内置32ms延迟的开漏故障状态输出标志,在过电流或热关闭条件下断言为低。MIC2033有几种固定电流限制选项:0.5A、0.8A、1A和1.2A。电容器可调软启动电路在使用高电容负载的应用中最大限度地减少浪涌电流。MIC2033提供6引脚SOT-23和6引脚2mm x 2mm薄DFN封装。MIC2033的工作结温度范围为-40°C至+125°C。
特性
- ±5% current limit accuracy
- Input supply range from 2.5V to 5.5V
- Low quiescent current: 100µA typical (switch ON)
- 75mO typical RDS(ON) at 5V
- Current limit options: 0.5A, 0.8A, 1A, and 1.2A
- Soft-start control via an external capacitor
- Undervoltage lockout (UVLO)
- Fast response time (10µs) to short circuit loads
- Fault status output flag
- Logic controlled enable (active-high, active-low)
- Thermal shutdown
- Pin compatible with MIC2005
- 6-pin 2mm x 2mm thin DFN and 6-pin SOT-23 packages
- Junction temperature range from -40°C to +125°C
参数
类型 | 描述 |
Driver Type | USB Power Dist |
Type | Single |
Vin Min (V) | 2.5 |
Vin Max (V) | 5.5 |
Max SW Current (A) | 0 |
Current Limit Fixed (Min) | 475mA, 517mA, 760mA, 950mA, 1.14A |
Current Limited | Yes |
RDS ON @5V (mO) | 125 |
Enable Logic | Active Low, Active High |
VEN (V) | 0 |
UVLO | Yes |
Thermal Shutdown | Yes |
Fault Flag | Yes |
Flag Transient Filter | Yes |
UL Approved | Yes |
Switch Element | P-Ch |



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