MAX727
5V/3.3V/3V 2A Step-Down, PWM, Switch-Mode DC-DC Regulators
製品の詳細
- Input Range: Up to 40V
- 2A On-Chip Power Switch
- Fixed Outputs:
- 5V (MAX727)
- 3.3V (MAX728)
- 3V (MAX729)
- 100kHz Switching Frequency
- Excellent Dynamic Characteristics
- Few External Components
- 8.5mA Quiescent Current
- TO-220 Package
The MAX727/MAX728/MAX729 are monolithic, bipolar, pulse-width modulation (PWM), switch-mode, step-down DC-DC regulators. Each is rated at 2A. Very few external components are needed for standard operation because the power switch, oscillator, feedback, and control circuitry are all on-chip. Employing a classic buck topology, these regulators perform high-current step-down functions.
These regulators have excellent dynamic and transient response characteristics, while featuring cycle-by-cycle current limiting to protect against overcurrent faults and short-circuit output faults. They also have a wide 8V to 40V input range.
Each regulator is available in a 5-pin TO-220 package. These devices have a preset 100kHz oscillator frequency and a preset current limit of 2.6A. See the MAX724/ MAX726 data sheet for more applications information.
Applications
- Distributed Power from High-Voltage Buses
- High-Current, High-Voltage Step-Down Applications
- Multiple-Output Buck Converter
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