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reference designXR4981A

XYSemi XR4981A

SYNCHRONOUS BOOST CONTROLLER 2.8V~36V Input 5V~36V Output， Extended NMOS

Overview

TopologyBoost Converter
Input voltage2.8-36 V
Output 136 V
IC revision0.2

Description

XR4981A is a high efficiency synchronous boost controller that converts from 2.8V~36V input range and up to 36Voutput voltage with two outside N-channel MOSFETs for the synchronous switches.The XR4981A includes adjustable current limit, adjustable soft-start, adjustable compensation net and thermal shutdown preventing damage in the event of an output overload.For different application we can select suitable compensation net、current limit soft start and select suitable MOSFET toobtain a high efficiency

Features

  • 2.8V~36V input voltage range
  • Adjustable output voltage from 5V to 36V
  • 1.21V VFB reference voltage
  • Adjustable current limit
  • Adjustable soft-start
  • Adjustable compensation net
  • Input under voltage lockout
  • 400KHz fixed switching frequency
  • Thermal shutdown
  • QFN3x3-16 Package Rohs Compliant and Halogen Free

Typical applications

  • 5V/9V/12V BUS Power Supply / Power Amplify Device
  • Type C USB Device
  • Power Bank

More information

Products

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Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
L(µH)
IRP,40K(A)
ISAT,10%(A)
ISAT,30%(A)
RDC(mΩ)
fres(MHz)
Material
Qty.
RDC max.(mΩ)
LR(µH)
RDC typ.(mΩ)
Mount
SamplesAvailability & Sample
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744311220
SPECWE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 10.2 A
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Downloads9 files

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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCI SMT Flat Wire High Current Inductor
Inductance2.2 µH
Performance Rated Current10.2 A
Saturation Current @ 10%5.6 A
Saturation Current @ 30%13 A
DC Resistance11.4 mΩ
Self Resonant Frequency52 MHz
MaterialSuperflux 
Packaging Unit1000 
DC Resistance12.54 mΩ
Rated Inductance1.75 µH
–
MountSMT 
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7443330220
SPECWE-HCC SMT High Current Cube Inductor, 2.2 µH, 17.4 A
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-HCC SMT High Current Cube Inductor
Inductance2.2 µH
Performance Rated Current17.4 A
Saturation Current @ 10%22.5 A
Saturation Current @ 30%25.6 A
–
Self Resonant Frequency80 MHz
MaterialFerrite 
Packaging Unit400 
DC Resistance4.8 mΩ
Rated Inductance2.1 µH
DC Resistance4.6 mΩ
MountSMT 
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74439358022
SPECWE-XHMI SMT Power Inductor, 2.2 µH, 21.85 A
Simu­lation
Availability
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Downloads10 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 10 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-XHMI SMT Power Inductor
Inductance2.2 µH
Performance Rated Current21.85 A
Saturation Current @ 10%12.55 A
Saturation Current @ 30%26.45 A
DC Resistance3.7 mΩ
Self Resonant Frequency33 MHz
–
Packaging Unit500 
DC Resistance4.07 mΩ
–
DC Resistance3.7 mΩ
MountSMT 
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74437349022
SPECWE-LHMI SMT Power Inductor, 2.2 µH, 9.9 A
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance2.2 µH
Performance Rated Current9.9 A
Saturation Current @ 10%10.5 A
Saturation Current @ 30%19.1 A
–
Self Resonant Frequency30 MHz
–
Packaging Unit800 
DC Resistance12 mΩ
–
DC Resistance11.2 mΩ
MountSMT 
–Check availability
74437368022
SPECWE-LHMI SMT Power Inductor, 2.2 µH, 14.3 A
Simu­lation
Availability
–
Downloads9 files

EDA models: Components ZIP

CAD files ZIP

Electric models ZIP

Download all 9 files as zip archive
ZIP

Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LHMI SMT Power Inductor
Inductance2.2 µH
Performance Rated Current14.3 A
Saturation Current @ 10%18.1 A
Saturation Current @ 30%38.7 A
–
Self Resonant Frequency27 MHz
–
Packaging Unit500 
DC Resistance7 mΩ
–
DC Resistance6.5 mΩ
MountSMT 
–Check availability