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LT3496
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN (Note 4) ...............................................................40V
SW1, SW2, SW3, LED1, LED2, LED3,
CAP1, CAP2, CAP3....................................................45V
TG1, TG2, TG3.................................... CAP – 10V to CAP
PWM1, PWM2, PWM3..............................................20V
V REF , CTRL1, CTRL2, CTRL3, f ADJ , VC1, VC2, VC3,
OVP1, OVP2, OVP3 ..................................................2.5V
SHDN (Note 4) ...........................................................V IN
PIN CONFIGURATION
TOP VIEW
Operating Junction Temperature Range (Notes 2, 6)
LT3496E ............................................ –40°C to 125°C
LT3496I ............................................. –40°C to 125°C
LT3496H ............................................ –40°C to 150°C
Storage Temperature Range
QFN.................................................... –65°C to 150°C
TSSOP ................................................. 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
TSSOP .............................................................. 300°C
SHDN
PWM3
1
2
28 V IN
27 TG3
TOP VIEW
PWM2
PWM1
V REF
CTRL3
3
4
5
6
26 LED3
25 CAP3
24 SW3
23 SW2
PWM1 1
V REF 2
CTRL3 3
28 27 26 25 24 23
22 CAP3
21 SW3
20 SW2
CTRL2
CTRL1
f ADJ
7
8
9
29
22 CAP2
21 LED2
20 TG2
CTRL2 4
CTRL1 5
f ADJ 6
29
19 CAP2
18 LED2
17 TG2
VC3 10
VC2 11
VC1 12
OVP3 13
19 SW1
18 CAP1
17 LED1
16 TG1
VC3 7
VC2 8
9 10 11 12 13 14
16 SW1
15 CAP1
OVP2 14 15 OVP1
FE PACKAGE
28-LEAD PLASTIC TSSOP
θ JA = 30°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
UFD PACKAGE
28-LEAD (4mm 5mm) PLASTIC QFN
θ JA = 34°C/W, θ JC = 2.7°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LT3496EFE#PBF
LT3496IFE#PBF
LT3496EUFD#PBF
LT3496IUFD#PBF
LT3496HUFD#PBF
TAPE AND REEL
LT3496EFE#TRPBF
LT3496IFE#TRPBF
LT3496EUFD#TRPBF
LT3496IUFD#TRPBF
LT3496HUFD#TRPBF
PART MARKING*
3496FE
3496FE
3496
3496
3496
PACKAGE DESCRIPTION
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
*For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3496ff
 
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