LT3517(RevA) Просмотр технического описания (PDF) - Linear Technology
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LT3517 Datasheet PDF : 20 Pages
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LT3517
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN, SHDN, PWM, TGEN (Note 3)..............................40V
SW, ISP, ISN, TG........................................................45V
TG Pin Below ISP Pin................................................10V
FB, SYNC, SS, CTRL ...................................................6V
VC, RT, VREF .................................................................3V
Operating Junction Temperature Range (Notes 2,4)
LT3517E..............................................–40ºC to 125ºC
LT3517I...............................................–40ºC to 125ºC
LT3517H .............................................–40ºC to 150ºC
Storage Temperature Range
QFN.....................................................–65ºC to 125ºC
TSSOP ................................................–65ºC to 150ºC
Lead Temperature (Soldering, 10 sec)
TSSOP ..............................................................300ºC
PIN CONFIGURATION
TOP VIEW
VIN 1
SHDN 2
VREF 3
RT 4
SYNC 5
SS 6
PWM 7
CTRL 8
16 SW
15 SW
14 TG
13 ISP
17
GND
12 ISN
11 TGEN
10 FB
9 VC
FE PACKAGE
16-LEAD PLASTIC TSSOP
TJMAX = 150°C, QJA = 40°C/W, QJC(PAD) = 10°C/W
TOP VIEW
16 15 14 13
SW 1
12 FB
SW 2
VIN 3
SHDN 4
17
11 VC
10 CTRL
9 PWM
5678
UF PACKAGE
16-LEAD (4mm × 4mm) PLASTIC QFN
TJMAX = 125°C, θJA = 36°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT3517EUF#PBF
LT3517IUF#PBF
LT3517EFE#PBF
LT3517IFE#PBF
LT3517HFE#PBF
TAPE AND REEL
LT3517EUF#TRPBF
LT3517IUF#TRPBF
LT3517EFE#TRPBF
LT3517IFE#TRPBF
LT3517HFE#TRPBF
PART MARKING*
3517
3517
3517FE
3517FE
3517HFE
PACKAGE DESCRIPTION
16-Lead (4mm × 4mm) Plastic QFN
16-Lead (4mm × 4mm) Plastic QFN
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
16-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 150°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/
3517fa
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