LTC3815_15 Datasheet, PDF (2/42 Pages) Linear Technology – 6A Monolithic Synchronous DC/DC Step-Down Converter with Digital Power System Management

LTC3815
Absolute Maximum Ratings
(Notes 1, 7)
V_IN, P_VIN....................................................... –0.3V to 6V
V_{CC_SENSE}, V_{SS_SENSE}, C_SLEW, R_T, I_TH, MODE/SYNC,
REF, TRACK/SS, PGFD, PGLIM, ASEL, DA_OUT, MARGIN,
RUN_STBY, FB............................... –0.3V to (V_IN + 0.3V)
RUN_MSTR, PGOOD, ALERT, SCL,
SDA Voltage.............................................. –0.3V to 6V
WP............................................................. –0.3V to 2.5V
Operating Junction Temperature Range
(Notes 2, 3)............................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Pin Configuration
TOP VIEW
R_T 1
ASEL 2
MARGIN 3
WP 4
ALERT 5
CLKOUT 6
SDA 7
SCL 8
MODE/SYNC 9
SW 10
SW 11
NC 12
38 37 36 35 34 33 32
39
PGND
13 14 15 16 17 18 19
31 V_{SS_SENSE}
30 TRACK/SS
29 PGOOD
28 C_SLEW
27 RUN_STBY
26 RUN_MSTR
24 PGFD
24 V_IN
23 SW
22 SW
21 SW
20 NC
UFE PACKAGE
38-LEAD (4mm × 6mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 38°C/W
EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3815EUFE#PBF
LTC3815EUFE#TRPBF 3815
38-Lead (4mm × 6mm) Plastic QFN
–40°C to 125°C
LTC3815IUFE#PBF
LTC3815IUFE#TRPBF 3815
38-Lead (4mm × 6mm) 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.
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/
3815p
2
For more information www.linear.com/LTC3815