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SIC403 Fiches technique(PDF) 3 Page - Vishay Siliconix

No de pièce SIC403
Description  microBUCK SiC403 6 A, 28 V Integrated Buck Regulator with Programmable LDO
PDF  25 Pages
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Fabricant  VISHAY [Vishay Siliconix]
Site Internet  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SIC403 Fiches technique(HTML) 3 Page - Vishay Siliconix

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Document Number: 66550
S11-1638-Rev. B, 15-Aug-11
www.vishay.com
3
Vishay Siliconix
SiC403
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
FUNCTIONAL BLOCK DIAGRAM
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to absolute maximum rating/conditions for extended periods may affect device reliability.
Note:
For proper operation, the device should be used within the recommended conditions.
Gate Drive
Control
On-Time
Generator
+
-
Zero Cross
Detector
FB Comparator
Soft Start
Reference
VDD
26
29
AGND
4, 30,
PAD 1
PGOOD
Control and Status
EN/PSV
1
31
2
3
FB
TON
VOUT
Valley1-Limit
Bypass Comparator
A
B
Y
LDO
32
ENL
VIN
VDD
MUX
VDD
DL
27
8
BST
LX
ILIM
PGND
VIN
VIN
VDD
15 to 22
13, 23 to 25,
28, PAD 3
6, 9-11, PAD 2
VDD
5
FBL
7
SS
ABSOLUTE MAXIMUM RATINGS (TA = 25 °C, unless otherwise noted)
Parameter
Symbol
Min.
Max.
Unit
LX to PGND Voltage
VLX
- 0.3
+ 30
V
LX to PGND Voltage (transient - 100 ns)
VLX
- 2
+ 30
VIN to PGND Voltage
VIN
- 0.3
+ 30
EN/PSV, PGOOD, ILIM, to AGND
- 0.3
VDD + 0.3
BST Bootstrap to LX; VDD to PGND
- 0.3
+ 6
AGND to PGND
VAG-PG
- 0.3
+ 0.3
EN/PSV, PGOOD, ILIM, VOUT, VLDO, FB, FBL to GND
- 0.3
+ (VDD + 0.3)
tON to PGND
- 0.3
+ (VDD - 1.5)
BST to PGND
- 0.3
+ 35
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min.
Typ.
Max.
Unit
Input Voltage
VIN
328
V
VDD to PGND
VDD
35.5
VOUT to PGND
VOUT
0.75
5.5
THERMAL RESISTANCE RATINGS
Parameter
Symbol
Min.
Typ.
Max.
Unit
Storage Temperature
TSTG
- 40
+ 150
°C
Maximum Junction Temperature
TJ
-
150
Operation Junction Temperature
TJ
- 25
+ 125



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