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说明
TC1313结合了500mA同步降压调节器和300mA低压降调节器（LDO），为需要多电源电压的应用提供高度集成的解决方案。
特性
- Independent 300mA LDO Regulator
- Both Outputs Internally Compensated
- Automatic PWM to PFM mode transition
- Independent Shutdown for Buck and LDO Outputs
- UVLO, Output Short Circuit and Overtemperature Protection
- Small 10 Pin 3x3 DFN or MSOP Package
参数
类型 | 描述 |
Regulator Type | Multi-Output |
Configuration | Synchronous Buck Step-Down and Independent LDO |
Supported Topology | Buck |
Supported Output | 0 |
Minimum Input Voltage (V) | 0 |
Maximum Input Voltage (V) | 0 |
Output Current (mA) Max | 500 |
Maximum Frequency (kHz) | 0 |
Operating Temperature Range (°C) | -40C to +85C |
Vref (V) | 0.8 |
Duty Cycle Min (%) | 0 |
Duty Cycle Max (%) | 100 |
UVLO | 2.55V |
Switching Frequency (kHz) | 2,000 |
Input Voltage Range Min | 2.7 |
Input Voltage Range Max | 5.5 |
Output Current | 300 |
Temp Range Min | -40 |
Temp Range Max | +85 |
Alternative Topology | LDO |
Vout Min (V) | 1.5 |
Vout Max (V) | 3.3 |
Quiescent Current (mA) typ | 57 |
Light Load Efficiency Mode | Yes |
Switch current (A) typ | 0 |
Automotive Qualified | No |
SHUTDOWN Current (µA) (Typ) | 0.05 |
# of Outputs | 2 |
Vfb (V) | 0.8 |
Synchronous Rectifier | Yes |
