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Document Number: 69062
S10-1367-Rev. D, 14-Jun-10
www.vishay.com
3
Vishay Siliconix
SiC417
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.
V
IN
V
IN
6, 9 - 11 PAD 3
BST
LX
13, 23 - 25
28, PAD 3
P
GND
15-22
I
LIM
27
V5V
DL
V5V
ENL
32
V
IN
LDO
MUX
Y
A
B
FBL
V
LDO
V
OUT
t
ON
FB
2
7
5
1
31
Soft Start
A
GND
3
26
29
Control and Status
Valley 1 - Limit
Zero Cross
Detector
Gate Drive
Control
Reference
1.20.21
PAD 1
+
-
FB Comparator
Bypass Comparator
V5V
V5V
PGD
EN/PSV
8
ABSOLUTE MAXIMUM RATINGS T
A
 = 25 癈, unless otherwise noted
Parameter
Symbol
Min.
Max.
Unit
LX to P
GND
 Voltage
V
LX
- 0.3
+ 30
V
LX to P
GND
 Voltage (transient - 100 ns)
V
LX
- 2
+ 30
V
IN
 to P
GND
 Voltage
V
IN
- 0.3
+ 30
V
EN
 Maximum Voltage
V
EN
- 0.3
V
IN
BST Bootstrap to LX; V5V to P
GND
- 0.3
+ 6.0
A
GND
 to P
GND
V
AG-PG
- 0.3
+ 0.3
EN/PSV, P
GOOD
, I
LIM
, V
OUT
, V
LDO
, FB, FBL to GND
- 0.3
+ (V5V + 0.3)
t
ON
 to P
GND
- 0.3
+ (V5V - 1.5)
BST to P
GND
- 0.3
+ 35
RECOMMENDED OPERATING CONDITIONS
Parameter
Symbol
Min.
Typ.
Max.
Unit
Input Voltage 
V
IN
3.0
28
V
V5V to P
GND
V5V
4.5
5.5
V
OUT
 to P
GND
V
OUT
0.5
5.5
THERMAL RESISTANCE RATINGS
Parameter
Symbol
Min.
Typ.
Max.
Unit
Storage Temperature
T
STG
- 40
+ 150
癈
Maximum Junction Temperature
T
J
-
150
Operation Junction Temperature
T
J
- 25
+ 125
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