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LT8620_15 Datasheet, PDF (2/26 Pages) Linear Technology – 65V, 2A Synchronous Step-Down Regulator with 2.5A Quiescent Current
LT8620
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN, EN/UV.................................................................65V
PG..............................................................................42V
BIAS...........................................................................25V
BST Pin Above SW Pin................................................4V
FB, TR/SS, RT, INTVCC ................................................4V
SYNC Voltage ..............................................................6V
Operating Junction Temperature Range (Note 2)
LT8620E............................................. –40°C to 125°C
LT8620I.............................................. –40°C to 125°C
LT8620H............................................. –40°C to 150°C
LT8620MP.......................................... –55°C to 150°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
SYNC 1
TR/SS 2
RT 3
EN/UV 4
VIN 5
VIN 6
NC 7
GND 8
TOP VIEW
17
GND
16 FB
15 PG
14 BIAS
13 INTVCC
12 BST
11 SW
10 SW
9 SW
MSE PACKAGE
16-LEAD PLASTIC MSOP
θJA = 40°C/W, θJC(PAD) = 10°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
SYNC 1
TR/SS 2
RT 3
EN/UV 4
VIN 5
VIN 6
NC 7
GND 8
24 23 22 21
25
GND
9 10 11 12
20 FB
19 PG
18 BIAS
17 INTVCC
16 BST
15 SW
14 SW
13 SW
UDD PACKAGE
24-LEAD (3mm × 5mm) PLASTIC QFN
θJA = 46°C/W, θJC(PAD) = 5°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT8620EMSE#PBF
LT8620EMSE#TRPBF 8620
16-Lead Plastic MSOP
–40°C to 125°C
LT8620IMSE#PBF
LT8620IMSE#TRPBF
8620
16-Lead Plastic MSOP
–40°C to 125°C
LT8620HMSE#PBF
LT8620HMSE#TRPBF 8620
16-Lead Plastic MSOP
–40°C to 150°C
LT8620MPMSE#PBF
LT8620MPMSE#TRPBF 8620
16-Lead Plastic MSOP
–55°C to 150°C
LT8620EUDD#PBF
LT8620EUDD#TRPBF LGGV
24-Lead (3mm × 5mm) Plastic QFN
–40°C to 125°C
LT8620IUDD#PBF
LT8620IUDD#TRPBF
LGGV
24-Lead (3mm × 5mm) Plastic QFN
–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/
8620fa
2
For more information www.linear.com/LT8620