Datasheet

LT3496
2
3496ff
absolute MaxiMuM ratings
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
(Note 1)
pin conFiguration
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
FE PACKAGE
28-LEAD PLASTIC TSSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SHDN
PWM3
PWM2
PWM1
V
REF
CTRL3
CTRL2
CTRL1
f
ADJ
VC3
VC2
VC1
OVP3
OVP2
V
IN
TG3
LED3
CAP3
SW3
SW2
CAP2
LED2
TG2
SW1
CAP1
LED1
TG1
OVP1
29
θ
JA
= 30°C/W, θ
JC
= 10°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
9 10
TOP VIEW
29
UFD PACKAGE
28-LEAD (4mm s 5mm) PLASTIC QFN
11 12 13
28 27 26 25 24
14
23
6
5
4
3
2
1
PWM1
V
REF
CTRL3
CTRL2
CTRL1
f
ADJ
VC3
VC2
CAP3
SW3
SW2
CAP2
LED2
TG2
SW1
CAP1
PWM2 PWM3 SHDN V
IN
TG3 LED3
VC1
OVP3 OVP2 OVP1
TG1
LED1
7
17
18
19
20
21
22
16
8
15
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 TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3496EFE#PBF LT3496EFE#TRPBF 3496FE 28-Lead Plastic TSSOP –40°C to 125°C
LT3496IFE#PBF LT3496IFE#TRPBF 3496FE 28-Lead Plastic TSSOP –40°C to 125°C
LT3496EUFD#PBF LT3496EUFD#TRPBF 3496
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3496IUFD#PBF LT3496IUFD#TRPBF 3496
28-Lead (4mm × 5mm) Plastic QFN
–40°C to 125°C
LT3496HUFD#PBF LT3496HUFD#TRPBF 3496
28-Lead (4mm × 5mm) Plastic QFN
–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/
orDer inForMation
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