Product Information

IFX80471SK V50

IFX80471SK V50 electronic component of Infineon

Datasheet
Switching Controllers Step-Down DC/DC Controller
Manufacturer: Infineon
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)

1: USD 3.2784 ea
Line Total: USD 3.28

372 - Global Stock
Ships to you between
Mon. 27 May to Wed. 29 May
MOQ: 1  Multiples: 1
Pack Size: 1

 More Buying Options & Price Grid(s)

Availability Price Quantity
372 - WHS 1


Ships to you between Mon. 27 May to Wed. 29 May

MOQ : 1
Multiples : 1

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IFX80471SK V50
Infineon

1 : USD 2.0815
10 : USD 1.886
100 : USD 1.564
250 : USD 1.472
500 : USD 1.3225
1000 : USD 1.173
2500 : USD 1.0706
10000 : USD 1.0396

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Number of Outputs
Switching Frequency
Duty Cycle - Max
Input Voltage
Output Voltage
Output Current
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Packaging
Output Power
Series
Brand
Factory Pack Quantity :
Cnhts
Hts Code
Mxhts
Product Type
Subcategory
Taric
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Additional Infomation About Product

IFX80471 Step-Down DC/DC Controller IFX80471SKV IFX80471SKV50 Data Sheet Rev. 1.0, 2011-02-07 Standard Power IFX80471 Table of Contents Table of Contents 1 Overview . 3 2 Block Diagram . 4 3 Pin Configuration 5 3.1 Pin Assignment . 5 3.2 Pin Definitions and Functions 5 4 General Product Characteristics 7 4.1 Absolute Maximum Ratings . 7 4.2 Functional Range . 8 4.3 Thermal Resistance . 9 5 Electrical Characteristics . 10 5.1 Electrical Characteristics 10 5.2 Typical Performance Characteristics . 15 6 Detailed Circuit Description . 19 6.1 PFM/PWM Step-down regulator . 19 6.2 Battery voltage sense . 20 6.3 Undervoltage Reset 20 7 Application Information 21 7.1 General 21 7.2 Output voltage at adjustable version - feedback divider . 21 7.3 SI Enable 21 7.3.1 Battery sense comparator - voltage divider . 22 7.4 Undervoltage reset - delay time . 22 7.5 100% duty-cycle operation and dropout . 22 7.6 SYNC Input and Frequency Control 23 7.7 Shutdown Mode . 23 7.8 Buck converter circuit . 23 7.8.1 Buck inductance (L1) selection in terms of ripple current: 23 7.8.2 Determining the current limit 24 7.8.3 PFM and PWM thresholds 24 7.8.4 Buck output capacitor (COUT) selection: 24 7.8.5 Input capacitor (CIN1) selection: . 25 7.8.6 Freewheeling diode / catch diode (D1) 25 7.8.7 Buck driver supply capacitor (CBDS) . 25 7.8.8 Input pi-filter components for reduced EME 25 7.8.9 Frequency compensation 25 7.9 Components recommendation - Overview . 26 7.10 Layout recommendation . 26 8 Package Outlines . 28 9 Revision History 29 Data Sheet 2 Rev. 1.0, 2011-02-07

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

Infineon may also be referenced as

CYP
Cypress
Cypress / Spansion
CYPRESS SEMI
Cypress Semicon
Cypress Semiconductor
Cypress Semiconductor Corp
INF
INFINEON
Infineon IR
INFINEON (CYPRESS)
Infineon (IRF)
Infineon / Cypress
Infineon / IR
INFINEON TECH ICs
Infineon Technologies
INFINEON TECHNOLOGIES AG
Infineon Technologies Americas Corp.
Infinite Power Solutions
INTERNATIONAL RECTIF
INTERNATIONAL RECTIFIER
International Rectifier HiRel Products
INTL RECTIFIER
IR
IRH
Ramtron
Ramtron / Cypress Semiconductor
Ramtron International Corp
SP9
SPANSION

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