TC1304
Features
- Dual-Output Regulator (500 m A Buck Regulator and 300 m A Low-Dropout Regulator)
- Power-Good Output with 300 ms Delay ..
- Total Device Quiescent Current = 65 µA, Typ.
- Independent Shutdown for Buck and LDO Outputs (TC1303)
- Both Outputs Internally pensated
- Synchronous Buck Regulator:
- Over 90% Typical Efficiency
- 2.0 MHz Fixed-Frequency PWM (Heavy Load)
- Low Output Noise
- Automatic PWM to PFM mode transition
- Adjustable (0.8V to 4.5V) and Standard Fixed-Output Voltages (0.8V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V)
- Low-Dropout Regulator:
- Low-Dropout Voltage = 137 m V Typ. @ 200 m A
- Standard Fixed-Output Voltages (1.5V, 1.8V, 2.5V, 3.3V)
- Power-Good Function:
- Monitors Buck Output Function (TC1303A)
- Monitors LDO Output Function (TC1303B)
- Monitors Both Buck and LDO Output Functions (TC1303C and TC1304)
- 300 ms Delay Used for Processor Reset
- Sequenced Startup and Shutdown (TC1304)
- Small 10-pin 3X3 DFN or MSOP Package Options
- Operating Junction Temperature...