LT3492 LINER [Linear Technology], LT3492 Datasheet - Page 2

• Manufacturer Part Number: LT3492
• Description: Triple Output LED Driver with 3000:1 PWM Dimming
• Manufacturer: LINER [Linear Technology]

ABSOLUTE MAXIMUM RATINGS
LT3492
(Note 1)
V
SW1-SW3, ISN1-ISN3, ISP1-ISP3 ............................60V
TG1-TG3 ...............................................ISP – 10V to ISP
PWM1-PWM3 ...........................................................20V
V
SHDN (Note 4) ...........................................................V
ORDER INFORMATION
LEAD FREE FINISH
LT3492EFE#PBF
LT3492IFE#PBF
LT3492EUFD#PBF
LT3492IUFD#PBF
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
*For more information on lead free part marking, go to:
For more information on tape and reel specifi cations, go to:
PIN CONFIGURATION
2
REF
IN
(Note 4) ...............................................................40V
, CTRL1-CTRL3, FADJ, V
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
T
PWM3
PWM2
PWM1
CTRL3
CTRL2
CTRL1
JMAX
SHDN
OVP3
OVP2
FADJ
V
V
V
V
REF
C3
C2
C1
= 125°C, θ
28-LEAD PLASTIC TSSOP
TAPE AND REEL
LT3492EFE#TRPBF
LT3492IFE#TRPBF
LT3492EUFD#TRPBF
LT3492IUFD#TRPBF
10
11
12
13
14
1
2
3
4
5
6
7
8
9
FE PACKAGE
TOP VIEW
JA
= 30°C/W, θ
GND
29
C1
-V
C3
JC
28
27
26
25
24
23
22
21
20
19
18
17
16
15
, OVP1-OVP3 ....2.5V
= 10°C/W
V
TG3
ISN3
ISP3
SW3
SW2
ISN2
ISP2
TG2
SW1
ISN1
ISP1
TG1
OVP1
IN
http://www.linear.com/leadfree/
PART MARKING*
LT3492FE
LT3492FE
3492
3492
http://www.linear.com/tapeandreel/
IN
Operating Junction Temperature Range
(Note 2) .................................................. –40°C to 125°C
Max Junction Temperature .................................... 125°C
Storage Temperature Range
TSSOP ............................................... –65°C to 150°C
UFD .................................................... –65°C to 125°C
PACKAGE DESCRIPTION
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
PWM1
CTRL3
CTRL2
CTRL1
T
FADJ
V
JMAX
V
V
REF
28-LEAD (4mm 5mm) PLASTIC QFN
C3
C2
= 125°C, θ
1
2
3
4
5
6
7
8
28 27 26 25 24
9 10
UFD PACKAGE
JA
TOP VIEW
11 12 13
= 34°C/W, θ
GND
29
JC
23
14
= 2.7°C/W
22
21
20
19
18
17
16
15
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
ISP3
SW3
SW2
ISP2
ISN2
TG2
SW1
ISP1
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