Datasheet
LT3596
2
3596fa
pin conFiguraTionabsoluTe MaxiMuM raTings
Input Voltage (V
IN
), EN/UVLO ..................................60V
BOOST .....................................................................80V
BOOST Pin Above SW Pin ....................................... 25V
LED1-3, V
OUT
............................................................42V
BIAS, FAULT .............................................................25V
V
REF
, RT, I
SET1-3
, TSET, CTRLM .................................3V
FB, CTRL1-3, PWM1-3, SYNC ....................................6V
Operating Temperature Range
(Notes 2, 3) ............................................ –40°C to 125°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range .................. –65°C to 150°C
(Note 1)
18 19 20
TOP VIEW
53
GND
UHG PACKAGE
VARIATION: UHG52 (39)
52-LEAD (5mm s 8mm) PLASTIC QFN
21 22 23 24 25 26
51 50 48 46 44
33
34
35
37
39
7
6
4
2
FB
EN/UVLO
TSET
V
REF
GND
NC
NC
CTRLM
I
SET1
I
SET2
I
SET3
RT
NC
NC
NC
BIAS
NC
NC
CTRL1
CTRL2
CTRL3
PWM1
PWM2
PWM3
SYNC
V
IN
V
IN
SW
BOOST
DA
NC
V
OUT
LED1
LED2
NC
NC
LED3
FAULT
NC
32
31
30
29
28
27
9
11
12
13
14
15
16
17
41
43
T
JMAX
= 125°C, θ
JA
= 32°C/W
EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3596EUHG#PBF LT3596EUHG#TRPBF 3596
52-Lead (5mm × 8mm) Plastic QFN
–40°C to 125°C
LT3596IUHG#PBF LT3596IUHG#TRPBF 3596
52-Lead (5mm × 8mm) Plastic QFN
–40°C to 125°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/