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NC4650 - Ultra-Low Quiescent Current Boost Switching Regulator

Description

The NC4650 is a synchronous rectification boost switching regulator featuring ultra-low quiescent current of 70nA, utilizing a CMOS process.

It is optimal for portable devices powered by coin or button batteries.

Features

  • Operating Junction Temperature Range: -40 ºC to 125 ºC.
  • Input Voltage Range (Maximum Rating): 0.6 V to 5.5 V (6.5 V).
  • Startup Voltage: Typ. 0.8 V.
  • Output Voltage Range:1.8 V to 5.0 V (Int. Fixed).
  • Quiescent Current (VOUT): Normal Mode: Typ. 70 nA Low Ripple Mode: Typ. 90 μA.
  • Shutdown Current: Typ. 50 nA.
  • Efficiency (VIN=1.5 V,VOUT=3.3 V,IOUT=10 μA): Typ. 85 %.
  • Switch Current Limit: Typ. 1 A (VSET ≥2.5 V) Typ. 0.65 A (VSET < 2.5 V).
  • Th.

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Datasheet preview – NC4650

Datasheet Details

Part number NC4650
Manufacturer Nisshinbo
File Size 1.47 MB
Description Ultra-Low Quiescent Current Boost Switching Regulator
Datasheet download datasheet NC4650 Datasheet
Additional preview pages of the NC4650 datasheet.

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    Full PDF Text Transcription

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    NC4650 Series Datasheet Ultra-Low Quiescent Current (Iq = 70nA) Boost Switching Regulator with Low Ripple Mode FEATURES ⚫ Operating Junction Temperature Range: -40 ºC to 125 ºC ⚫ Input Voltage Range (Maximum Rating): 0.6 V to 5.5 V (6.5 V) ⚫ Startup Voltage: Typ. 0.8 V ⚫ Output Voltage Range:1.8 V to 5.0 V (Int.Fixed) ⚫ Quiescent Current (VOUT): Normal Mode: Typ. 70 nA Low Ripple Mode: Typ. 90 μA ⚫ Shutdown Current: Typ. 50 nA ⚫ Efficiency (VIN=1.5 V,VOUT=3.3 V,IOUT=10 μA): Typ. 85 % ⚫ Switch Current Limit: Typ. 1 A (VSET ≥2.5 V) Typ. 0.65 A (VSET < 2.5 V) ⚫ Thermal Shutdown Function: Detection Temperature: Typ. 150 °C Release Temperature: Typ.
    Published: |