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UC1842A-SP データシート(PDF) 2 Page - Texas Instruments

部品番号 UC1842A-SP
部品情報  QML Class V, Current-Mode PWM Controller
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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UC1842A-SP データシート(HTML) 2 Page - Texas Instruments

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UC1842A-SP, UC1843A-SP, UC1844A-SP
SLUS872D – JANUARY 2009 – REVISED MAY 2015
www.ti.com
Table of Contents
9.2
Functional Block Diagram ......................................... 9
1
Features .................................................................. 1
9.3
Feature Description................................................... 9
2
Applications ........................................................... 1
9.4
Device Functional Modes........................................ 14
3
Description ............................................................. 1
10
Application and Implementation........................ 15
4
Simplified Schematic............................................. 1
10.1
Application Information.......................................... 15
5
Revision History..................................................... 2
10.2
Typical Application ................................................ 15
6
Device Comparison Table..................................... 3
11
Power Supply Recommendations ..................... 23
7
Pin Configuration and Functions ......................... 3
12
Layout................................................................... 23
8
Specifications......................................................... 4
12.1
Layout Guidelines ................................................. 23
8.1
Absolute Maximum Ratings ..................................... 4
12.2
Layout Example .................................................... 24
8.2
ESD Ratings ............................................................ 4
13
Device and Documentation Support ................. 25
8.3
Recommended Operating Conditions ....................... 4
13.1
Related Links ........................................................ 25
8.4
Thermal Information .................................................. 4
13.2
Community Resources.......................................... 25
8.5
Electrical Characteristics........................................... 5
13.3
Trademarks ........................................................... 25
8.6
Electrical Characteristics (Radiation-Improved
13.4
Electrostatic Discharge Caution ............................ 25
Devices) ..................................................................... 7
13.5
Glossary ................................................................ 25
8.7
Typical Characteristics .............................................. 8
14
Mechanical, Packaging, and Orderable
9
Detailed Description .............................................. 9
Information ........................................................... 25
9.1
Overview ................................................................... 9
5 Revision History
Changes from Revision C (March 2015) to Revision D
Page
Updated features to remove radiation hardness assurance .................................................................................................. 1
Updated table notes for Electrical Characteristics ................................................................................................................. 5
Updated table note in Electrical Characteristics (Radiation-Improved Devices) ................................................................... 7
Corrected minimum discharge current in Electrical Characteristics (Radiation-Improved Devices) ..................................... 7
Corrected input voltage unit to V and MIN and MAX values ................................................................................................. 7
Decreased set point variation over temperature from ±10% to ±2% ................................................................................... 13
Changes from Revision B (October 2013) to Revision C
Page
Added ESD Ratings table, Typical Characteristics, Detailed Description, Application and Implementation, Power
Supply Recommendations, Layout, and Device and Documentation Support sections ........................................................ 1
Removed UC1845A-SP part from this data sheet ................................................................................................................. 1
2
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Product Folder Links: UC1842A-SP UC1843A-SP UC1844A-SP


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