LTC3350_15 Datasheet, PDF (3/46 Pages) Linear Technology – High Current Supercapacitor Backup Controller and System Monitor

LTC3350
Absolute Maximum Ratings
(Note 1)
V_IN, VOUTSP, VOUTSN................................ –0.3V to 40V
VCAP........................................................... –0.3V to 22V
CAP4-CAP3, CAP3-CAP2, CAP2-CAP1,
CAP1-CAPRTN........................................... –0.3V to 5.5V
DRV_CC, OUTFB, CAPFB, SMBALERT, CAPGD,
PFO, GPI, SDA, SCL................................... –0.3V to 5.5V
BST.......................................................... –0.3V to 45.5V
PFI.............................................................. –0.3V to 20V
CAP_SLCT0, CAP_SLCT1.................................–0.3 to 3V
BST to SW................................................. –0.3V to 5.5V
VOUTSP to VOUTSN, ICAP to VCAP.......... –0.3V to 0.3V
I_INTVCC..................................................................100mA
I_CAP(1,2,3,4), I_CAPRTN............................................. 600mA
I_CAPGD, I_PFO , I_SMBALERT..........................................10mA
Operating Junction Temperature Range
(Notes 2, 3)............................................... –40°C to 125°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
TOP VIEW
SCL 1
SDA 2
SMBALERT 3
CAPGD 4
VC 5
CAPFB 6
OUTFB 7
SGND 8
RT 9
GPI 10
ITST 11
CAPRTN 12
38 37 36 35 34 33 32
39
PGND
13 14 15 16 17 18 19
31 VOUTSP
30 VOUTSN
29 INTV_CC
28 DRV_CC
27 BGATE
26 BST
25 TGATE
24 SW
23 VCC2P5
22 ICAP
21 VCAP
20 OUTFET
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 34°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
LTC3350EUHF#PBF
LTC3350EUHF#TRPBF 3350
38-Lead (5mm × 7mm) Plastic QFN
LTC3350IUHF#PBF
LTC3350IUHF#TRPBF 3350
38-Lead (5mm × 7mm) Plastic QFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard 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/
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
For more information www.linear.com/LTC3350
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