LTC3626_15 Datasheet, PDF (2/28 Pages) Linear Technology – 20V, 2.5A Synchronous Monolithic Step-Down Regulator with Current and Temperature Monitoring

LTC3626
Absolute Maximum Ratings
(Note 1)
PV_IN............................................................ –0.3V to 22V
SV_IN............................................................ –0.3V to 22V
BOOST..................................................... –0.3V to 25.6V
BOOST-SW................................................. –0.3V to 3.6V
INTV_CC....................................................... –0.3V to 3.6V
ITH, RT, FB..................................–0.3V to INTV_CC + 0.3V
MODE/SYNC...............................–0.3V to INTV_CC + 0.3V
TRACK/SS, IMON_IN, IMON_OUT....–0.3V to INTV_CC + 0.3V
TSET, TMON...............................–0.3V to INTV_CC + 0.3V
SW, RUN........................................... –0.3V to V_IN + 0.3V
PGOOD........................................................ –0.3V to 22V
V_ON............................................................. –0.3V to 18V
SW Source Current (DC, Note 2)...............................2.5A
Operating Junction Temperature Range
(Notes 3, 4) ............................................ –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
TOP VIEW
20 19 18 17
BOOST 1
INTV_CC 2
V_ON 3
TSET 4
TMON 5
SGND 6
21
PGND
16 _PVIN
15 PV_IN
14 SV_IN
13 RUN
12 RT
11 _ITH
7 8 9 10
UDC PACKAGE
20-LEAD (3mm × 4mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 47°C/W
EXPOSED PAD (PIN 21) IS PGND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3626EUDC#PBF
LTC3626EUDC#TRPBF LGCC
20-Lead (3mm × 4mm) Plastic QFN
–40°C to 125°C
LTC3626IUDC#PBF
LTC3626IUDC#TRPBF LGCC
20-Lead (3mm × 4mm) 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/
3626fa
2
For more information www.linear.com/LTC3626