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NCV97310A - Power Management

Datasheet Summary

Description

The NCV97310A is a 3 output regulator consisting of a low Iq battery connected 3 A, 2 MHz non synchronous switcher and two low

voltage 1.5 A, 2 MHz synchronous switchers; all using integrated power transistors.

voltage switcher is capable of c

Features

  • Low Quiescent Current in Standby Mode.
  • Programmable Spread Spectrum for EMI Reduction.
  • 2 Microcontroller Enabled Low Voltage Synchronous Buck Converters.
  • Large Conversion Ratio of 18 V to 3.3 V Battery Connected Switcher.
  • Wide Input of 4.1 to 45 V with Undervoltage Lockout (UVLO).
  • Fixed Frequency Operation Adjustable from 2.0 to 2.6 MHz.
  • Internal 1.5 ms Soft.
  • starts.
  • Cycle.
  • by.
  • cycle Current Limit Prote.

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Datasheet Details

Part number NCV97310A
Manufacturer ON Semiconductor
File Size 283.64 KB
Description Power Management
Datasheet download datasheet NCV97310A Datasheet
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Power Management Unit Automotive, Battery-Connected, Multi-Output NCV97310A Description The NCV97310A is a 3−output regulator consisting of a low−Iq battery−connected 3 A, 2 MHz non−synchronous switcher and two low−voltage 1.5 A, 2 MHz synchronous switchers; all using integrated power transistors. The high−voltage switcher is capable of converting a 4.1 V to 18 V battery input to a 3.3 V output at a constant 2 MHz switching frequency, delivering up to 3 A. In overvoltage conditions up to 36 V, the switching frequency folds back to 1 MHz; in load dump conditions up to 45 V the regulator shuts down. The output of the battery−connected buck regulator serves as the low voltage input for the 2 downstream synchronous switchers. Each downstream output is adjustable from 1.2 V to 2.8 V, with a 1.
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