lt3519emstrpbf Linear Technology Corporation, lt3519emstrpbf Datasheet - Page 2

• Manufacturer Part Number: lt3519emstrpbf
• Description: Led Driver With Integrated Schottky Diode
• Manufacturer: Linear Technology Corporation

ABSOLUTE MAXIMUM RATINGS
LT3519
(Note 1)
V
SHDN/UVLO (Note 4) ...............................................40V
SW, ISP , ISN, ANODE, CATHODE ..............................45V
PWM, CTRL ..............................................................10V
FB, V
Operating Ambient Temperature Range
(Note 2) .................................................. –40°C to 125°C
Maximum Junction Temperature........................... 125°C
Storage Temperature Range ................... –65°C to 125°C
ORDER INFORMATION
LEAD FREE FINISH
LT3519EMS#PBF
LT3519IMS#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:
PARAMETER
V
V
Current Sense Voltage (V
Zero Current Sense Voltage (V
Current Sense Voltage Line Regulation
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch V
ELECTRICAL CHARACTERISTICS
2
operating temperature range, otherwise specifi cations are at T
unless otherwise noted.
IN
IN
IN
Operating Voltage Range
Supply Current
, OPENLED (Note 3) .............................................40V
REF
CESAT
......................................................................3V
ISP
-V
TAPE AND REEL
LT3519EMS#TRPBF
LT3519IMS#TRPBF
ISN
ISP
-V
)
ISN
)
CONDITIONS
Continuous Operation (Note 3)
SHDN/UVLO = 0V
PWM = 0V
PWM > 1.5V, FB = 1.5V (Active, Not Switching)
ISP = 24V, CTRL = 2V
ISP = 0V, CTRL = 2V
ISP = 24V, CTRL = 100mV
2.5V < ISP < 45V
400kHz (LT3519)
400kHz (LT3519)
I
http://www.linear.com/leadfree/
SW
PART MARKING*
3519
3519
= 500mA
http://www.linear.com/tapeandreel/
The
A
l
= 25°C. V
denotes the specifi cations which apply over the full
(Shutdown)
(Idle)
PIN CONFIGURATION
IN
PACKAGE DESCRIPTION
16-Lead Plastic MSOP
16-Lead Plastic MSOP
= 12V, SHDN/UVLO = 12V, CTRL = 2V, PWM = 5V,
SHDN/UVLO
OPENLED
ANODE
PWM
GND
GND
SW
V
IN
T
1
2
3
4
5
6
7
8
JMAX
16-LEAD PLASTIC MSOP
l
l
l
= 125°C, θ
MS PACKAGE
TOP VIEW
MIN
240
–12
320
750
94
3
JA
= 130°C/W
0.02
TYP
250
250
400
980
300
0.1
2.0
2.5
–6
97
16
15
14
13
12
11
10
9
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
GND
V
CTRL
FB
ISN
ISP
CATHODE
GND
REF
1150
MAX
260
440
30
0
UNITS
3519f
%/V
kHz
mA
mA
mV
mV
mV
mA
mV
μA
%
V