LT3799
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
TOP VIEW
CTRL1
CTRL2
CTRL3
V
REF
FAULT
CT
COMP
+
COMP
–
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
V
IN_SENSE
SENSE
GATE
INTV
CC
NC
V
IN
DCM
FB
V
IN
,
FAULT
.................................................................32V
GATE, INTV
CC
...........................................................18V
CTRL1, CTRL2, CTRL3, V
IN_SENSE
, COMP
–
................4V
FB, CT, V
REF,
COMP
+
,...................................................3V
SENSE ......................................................................0.4V
DCM .......................................................................±3mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2)
LT3799E ............................................ –40°C to 125°C
LT3799I ............................................. –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
17
GND
MSE PACKAGE
16-LEAD PLASTIC MSOP
θ
JA
= 50°C/W,
θ
JC
= 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3799EMSE#PBF
LT3799IMSE#PBF
TAPE AND REEL
LT3799EMSE#TRPBF
LT3799IMSE#TRPBF
PART MARKING*
3799
3799
PACKAGE DESCRIPTION
16-Lead Plastic MSOPE
16-Lead Plastic MSOPE
TEMPERATURE RANGE
–40°C to 125°C
–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.
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/
ELECTRICAL CHARACTERISTICS
PARAMETER
V
IN
Turn-On Voltage
V
IN
Turn-Off Voltage
V
IN
Hysteresis
V
IN
Shunt Regulator Voltage
V
IN
Shunt Regulator Current Limit
V
IN
Quiescent Current
INTV
CC
Quiescent Current
V
IN_SENSE
Threshold
V
IN_SENSE
Linear Range
V
REF
Voltage
Error Amplifier Voltage Gain
Error Amplifier Transconductance
0µA Load
200µA Load
Before Turn-On
After Turn-On
Before Turn-On
After Turn-On
Turn-Off
CONDITIONS
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
IN
= 18V, INTV
CC
= 11V, unless otherwise noted.
MIN
22.2
11.8
V
TURNON
– V
TURNOFF
I = 1mA
15
55
12
1.5
30
0
l
l
TYP
23
12.3
10.7
25.0
65
70
16
1.2
65
2
1.98
100
50
MAX
24.2
13.0
UNITS
V
V
V
V
mA
75
20.0
2.6
90
1.3
2.02
2.02
µA
µA
µA
mA
mV
V
V
V
V/V
µmhos
1.975
1.9555
∆V
COMP+
/∆V
COMP–
, CTRL1 = 1V, CTRL2 = 2V, CTRL3 = 2V
∆I = 5µA
3799p
2
LINER [ LINEAR TECHNOLOGY ]
