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NCP161ASN250T1G - onsemi

Description: Ultra High PSRR 98dB at 1kHz, 48dB at 100kHz; Ultra Low Output Noise 10 µVRMS; Very Low Dropout 150mV at 450mA; Operating Input Voltage Range 1.9V to 5.5V; Ultra Low Quiescent current 18 µA; Available in CSP4 0.35P and XDFN4 0.65P package; Available in industry standard TSOP5 package

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NCP161ASN250T1G - onsemi PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT-23 5 LEAD CASE 527AH-01 ISSUE O
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NCP161ASN250T1G - onsemi  - 3D model - SOT23 (5-Pin) - SOT-23 5 LEAD CASE 527AH-01 ISSUE O
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NCP161ASN250T1G Details

  • Manufacturer Part Number:

    NCP161ASN250T1G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23-5

  • Manufacturer Package Code:

    527AH

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    onsemi

  • YTEOL:

    7

  • Adjustability:

    FIXED

  • Dropout Voltage1-Nom:

    1 V

  • Input Voltage Absolute-Max:

    6 V

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    3.5 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Line Regulation-Max:

    0.001%

  • Load Regulation-Max:

    0.898%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    5

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.45 A

  • Output Voltage1-Max:

    2.55 V

  • Output Voltage1-Min:

    2.45 V

  • Output Voltage1-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Regulator Type:

    FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    1.45 mm

  • Surface Mount:

    YES

  • Technology:

    PMOS

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Voltage Tolerance-Max:

    2%

  • Width:

    1.6 mm

NCP161ASN250T1G Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing the device on a 2-layer or 4-layer board with a solid ground plane, using thermal vias to connect the exposed pad to the ground plane, and keeping the thermal path as short as possible.
  • To ensure reliable start-up, make sure the input voltage is within the specified range, the input capacitor is properly sized, and the output capacitor is properly selected to meet the required start-up time and voltage ripple.
  • The maximum allowed output capacitance for the NCP161ASN250T1G is 220uF. Exceeding this value may cause instability or oscillation in the converter.
  • While it's possible to use a different inductor value, it's not recommended as it may affect the converter's performance, efficiency, and stability. The recommended inductor value is carefully selected to ensure optimal performance.
  • To troubleshoot issues with output voltage regulation, check the input voltage, output load, and feedback network for any errors or misconfigurations. Also, verify that the output voltage sense pins are properly connected and that the output capacitor is properly selected.

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NCP161ASN250T1G Overview

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