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A8483 Fiches technique(PDF) 2 Page - Allegro MicroSystems

No de pièce A8483
Description  1.2 MHz Step-up Converter for Display Bias Supply
Download  9 Pages
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Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

A8483 Fiches technique(HTML) 2 Page - Allegro MicroSystems

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A8483-DS, Rev. 1
Worcester, Massachusetts 01615-0036 (508) 853-5000
115 Northeast Cutoff, Box 15036
www.allegromicro.com
Allegro MicroSystems, Inc.
1.2 MHz Step-up Converter for Display Bias Supply
A8483
2
Functional Block Diagram
VIN
FB
SW
V
REF
1.25 V
GND
Driver
A2
S
Ramp
Generator
1.2 MHz
Oscillator
R
C
C
C
A1
615 mV
Enable
EN
Σ
RQ
Terminal List Table
Pin
Name
Function
1
SW
Internal power FET
2
GND
Ground
3
FB
Feedback input
4
EN
Enable input
5
VIN
Input supply
Absolute Maximum Ratings
SW Pin ..................................................................................–0.3 to 36 V
Remaining Pins .................................................................... –0.3 to 10 V
Operating Ambient Temperature , TA.................................... –40°C to 85°C
Junction Temperature, TJ(max)............................................................. 150°C
Storage Temperature, TS .................................................. –55°C to 150°C
5
1
2
3
4
SW
GND
FB
VIN
EN
Device Pin-out Diagram
RθJA = 50 °C/W, on a 4-layer board. Additional information is
available on the Allegro Web site.
Package Thermal Characteristics


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