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ST1S03PUR

DC-DC Switching Buck Step Down Regulator, Adjustable, 3V-16V in, 1.5A out, 1.5MHz, DFN-6

ST1S03PUR - DC-DC Switching Buck Step Down Regulator, Adjustable, 3V-16V in, 1.5A out, 1.5MHz, DFN-6

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Manufacturer Part No:
ST1S03PUR
Order Code:
2460736
Technical Datasheet:
ST1S03PUR   Datasheet
See all Technical Docs

Product Overview

The ST1S03PUR is a step-down DC-to-DC Converter optimized for powering a low voltage digital core in HDD applications and generally, to replace the high current linear solution when the power dissipation may cause a high heating of the application environment. It provides up to 1.5A over an input voltage range of 3 to 16V. A high switching frequency (1.5MHz) allows the use of tiny surface-mount components - as well as the resistor divider to set the output voltage value, only an inductor, a Schottky diode and two capacitors are required. Besides, a low output ripple is guaranteed by the current-mode PWM topology and by the use of low ESR SMD ceramic capacitors. The device is thermal protected and current limited to prevent damages due to an accidental short-circuit.
  • Uses tiny capacitors and inductors
  • Internal soft-start for startup current limitation and power on delay of 50 to 100µs
  • Typical efficiency of >70% overall operating conditions
  • 2% DC output voltage tolerance
  • Maximum not switching quiescent current of 2.5mA over temperature range
  • 350mV at ISW=750mA Maximum switch VDS

Applications

Power Management

Product Information

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:
Buck (Step Down)

:
3V

:
16V

:
1Outputs

:
DFN

:
6Pins

:
1.5A

:
-

:
-

:
1.5MHz

:
150°C

:
-

:
-

:
MSL 1 - Unlimited
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Technical Docs (2)

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732 available for 3 - 4 day despatch

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