LT3763
2
3763fb
For more information www.linear.com/LT3763
pin conFiguraTionabsoluTe MaxiMuM raTings
V
IN
, EN/UVLO, IVINP, and IVINN ...............................60V
SENSE
+
and SENSE
–
.................................................60V
CTRL1, CTRL2, FB, and FBIN ......................................3V
SYNC and PWM .......................................................... 6V
INTV
CC
and FA U LT.......................................................6V
V
C
, RT, and SS ............................................................3V
V
REF
, IVINMON, and ISMON ........................................3V
SW ............................................................................60V
BOOST ......................................................................66V
BOOST-SW ..................................................................6V
Operating Junction Temperature (Notes 2, 3)
LT3763E/LT3763I
.............................. –40°C to 125°C
LT3763H
............................................ –40°C to 150°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec) ...................300°C
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
FE PACKAGE
28
27
26
25
24
23
22
21
20
19
18
17
16
15
BG
INTV
CC
V
IN
V
REF
IVINN
IVINP
VINMON
FAULT
FBIN
FB
GND
CTRL2
CTRL1
GND
BOOST
SW
TG
GND
PWM
SYNC
RT
ISMON
V
C
SENSE
+
SENSE
–
SS
29
GND
θ
JA
= 30°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LT3763EFE#PBF LT3763EFE#TRPBF LT3763FE 28-Lead Plastic TSSOP –40°C to 125°C
LT3763IFE#PBF LT3763IFE#TRPBF LT3763FE 28-Lead Plastic TSSOP –40°C to 125°C
LT3763HFE#PBF LT3763HFE#TRPBF LT3763FE 28-Lead Plastic TSSOP –40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/. Some packages are available in 500 unit reels through
designated sales channels with #TRMPBF suffix.
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 12V, V
EN/UVLO
= 5V unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Voltage Range 6 60 V
Supply Undervoltage Lockout From Low to High 3.75 4.0 4.25 V
V
IN
Pin Quiescent Current
Non-Switching Operation
Shutdown Mode
V
EN/UVLO
= 1.4V, Not Switching
V
EN/UVLO
= 0V
1.7
0.2
3.5
2
mA
µA
EN/UVLO Pin Threshold (Falling Edge) 1.47 1.52 1.57 V
EN/UVLO Hysteresis 185 mV
EN/UVLO Pin Current EN/UVLO = 1.4V, V
IN
= 6V 5 µA
SYNC Pin Threshold (Falling Edge) 1.4 1.5 1.6 V
SYNC Pin Hysteresis 675 mV
