lt3799 Linear Technology Corporation, lt3799 Datasheet - Page 2

• Manufacturer Part Number: lt3799
• Description: Lt3799 - Offline Isolated Flyback Led Controller With Active Pfc
• Manufacturer: Linear Technology Corporation

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