LT3990IDD Просмотр технического описания (PDF) - Linear Technology
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LT3990IDD
Linear Technology
LT3990IDD Datasheet PDF : 20 Pages
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LT3990
Absolute Maximum Ratings (Note 1)
VIN, EN/UVLO Voltage................................................62V
BOOST Pin Voltage....................................................75V
BOOST Pin Above SW Pin.........................................30V
FB, RT Voltage.............................................................6V
PG, BD Voltage..........................................................30V
Operating Junction Temperature Range (Note 2)
LT3990E............................................. –40°C to 125°C
LT3990I.............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
MS Only............................................................ 300°C
Pin Configuration
TOP VIEW
FB 1
EN/UVLO 2
VIN 3
GND 4
GND 5
10 RT
9 PG
11
GND
8 BD
7 BOOST
6 SW
DD PACKAGE
10-LEAD (3mm s 3mm) PLASTIC DFN
θJA = 45°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
FB 1
FB 2
NC 3
EN/UVLO 4
NC 5
VIN 6
NC 7
GND 8
TOP VIEW
17
GND
16 RT
15 NC
14 PG
13 BD
12 NC
11 BOOST
10 NC
9 SW
MSE PACKAGE
16-LEAD PLASTIC MSOP
θJA = 40°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3990EDD#PBF
LT3990EDD#TRPBF
LFWJ
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LT3990IDD#PBF
LT3990IDD#TRPBF
LFWJ
10-Lead (3mm × 3mm) Plastic DFN
–40°C to 125°C
LT3990EMSE#PBF
LT3990EMSE#TRPBF 3990
16-Lead Plastic MSOP
–40°C to 125°C
LT3990IMSE#PBF
LT3990IMSE#TRPBF
3990
16-Lead Plastic MSOP
–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/
3990f
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