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L4972A
DC-DC Switching Buck (Step Down) Regulator, Adjustable, 15V-50Vin, 5.1V-40Vout, 2Aout, DIP-20
- Manufacturer:
- STMICROELECTRONICS STMICROELECTRONICS
- Manufacturer Part No:
- L4972A
- Order Code:
- 1094219
- Technical Datasheet:
- L4972A Datasheet
Product Overview
The L4972A is a step-down monolithic power Switching Regulator delivering 2A at a voltage variable from 5.1 to 40V. Realized with BCD mixed technology, the device uses a DMOS output transistor to obtain very high efficiency and very fast switching times. Features of the L4972 include reset and power fail for microprocessors, feed forward line regulation, soft-start, limiting current and thermal protection. Efficient operation at switching frequency up to 200kHz allows reduction in the size and cost of external filter component.
- PWM latch for single pulse per period
- Undervoltage lockout with hysteretic turn-on
- Very high efficiency
- Continuous mode operation
- Thermal shutdown
- Reset and power-fail functions
- Internal current limiting
- Input/output sync pin
- Internal feed-forward line regulation
- Precise 5.1V ±2% on chip reference
- 0 to 90% duty cycle range
Applications
Power Management
Product Information
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- :
- Buck (Step Down)
- :
- 15V
- :
- 50V
- :
- 1Outputs
- :
- DIP
- :
- 20Pins
- :
- 2A
- :
- 5.1V
- :
- 40V
- :
- 200kHz
- :
- 150°C
- :
- -
- :
- -
- :
- -
Technical Docs (3)
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550 available for 3 - 4 business days delivery
S$7.45
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S$7.97
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