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NCV97311A - Automotive Battery-Connected Power Management Unit

Description

The NCV97311A 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

  • 5.0 V and 3.3 V Versions Available.
  • 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.

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Datasheet Details

Part number NCV97311A
Manufacturer onsemi
File Size 293.97 KB
Description Automotive Battery-Connected Power Management Unit
Datasheet download datasheet NCV97311A Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Power Management Unit Automotive, Battery-Connected, Multi-Output NCV97311A Description The NCV97311A 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 5 V or 3.3 V output at a constant 2 MHz switching frequency, delivering up to 3 A. In overvoltage conditions up to 37 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 3.
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