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A8603KESTR-R Datasheet(PDF) 2 Page - Allegro MicroSystems

Part # A8603KESTR-R
Description  Multiple-Output Regulator for Automotive LCD Displays
PDF  42 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A8603KESTR-R Datasheet(HTML) 2 Page - Allegro MicroSystems

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Multiple-Output Regulator for
Automotive LCD Displays
A8603
2
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Table 1: Selection Guide
Part Number
Package
Packing*
Pin Soldering
A8603KESTR-R
24-pin 4×4 QFN with exposed thermal pad
1500 pieces per 13-in. reel
Sidewall Plating
A8603KESTR-J
24-pin 4×4 QFN with exposed thermal pad
Contact Factory
Wettable Flank
*Contact Allegro™ for additional packing options.
Specifications
3
Absolute Maximum Ratings
3
Thermal Characteristics
3
Pinout Diagrams and Terminal List Table
4
Functional Block Diagram
5
Electrical Characteristics
6
Characteristic Performance
10
Functional Description
12
Program Diagnostics
12
Programmable Registers
13
I2C Register Map
14
Diagnostic Registers
15
Real-Time Status Registers
15
Latched Status Registers
16
Description of Regulators
17
AVDD Regulator
17
VCOM Regulator
17
VGL/VGH Charge Pumps
18
Boost Controller
20
Boost Switching Frequency
22
Boost Frequency Dithering
23
Fault Conditions
24
Over- and Undervoltage Protections
24
Overcurrent Protection
24
Examples of Various Fault Conditions
25
Pre-Output Fault Detection
29
General Fault Detection
29
Fault Monitoring
31
Fault1 (Group1)
31
Fault2 (Group2)
31
Fault3 (Group3)
31
Thermal Analysis
33
Boost Stage Power Loss
33
Output Regulator Power Loss
33
Package Outline Drawing
35
Table of Contents



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