Datasheet

LTC4088
2
4088fb
pin conFiguraTionabsoluTe MaxiMuM raTings
V
BUS
(Transient) t < 1ms, Duty Cycle < 1% .. 0.3V to 7V
V
BUS
(Static), BAT, CHRG, NTC, D0,
D1, D2 .......................................................... 0.3V to 6V
I
CLPROG
....................................................................3mA
I
PROG
, I
C/X
................................................................2mA
I
LDO3V3
...................................................................30mA
I
CHRG
...................................................................... 75mA
I
OUT
............................................................................2A
I
SW
..............................................................................2A
IBAT ............................................................................2A
Maximum Operating Junction Temperature .......... 125°C
Operating Temperature Range .................40°C to 8C
Storage Temperature Range .................. 65°C to 125°C
(Note 1)
1
2
3
4
5
6
7
14
13
12
11
10
9
8
D1
D0
SW
V
BUS
V
OUT
BAT
GATE
NTC
CLPROG
LDO3V3
D2
C/X
PROG
CHRG
TOP VIEW
15
DE PACKAGE
14-LEAD (4mm × 3mm) PLASTIC DFN
T
JMAX
= 125°C, θ
JA
= 37°C/W
EXPOSED PAD (PIN 15) IS GND, MUST BE SOLDERED TO PCB
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
BUS
= 5V, BAT = 3.8V, R
CLPROG
= 2.94k, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Input Power Supply
V
BUS
Input Supply Voltage
l
4.35 5.5 V
I
BUS(LIM)
Total Input Current 1x Mode
5x Mode
10x Mode
Low Power Suspend Mode
High Power Suspend Mode
l
l
l
l
l
92
445
815
0.32
1.6
97
470
877
0.39
2.05
100
500
1000
0.50
2.5
mA
mA
mA
mA
mA
I
BUSQ
(Note 4) Input Quiescent Current 1x Mode
5x Mode
10x Mode
Low Power Suspend Mode
High Power Suspend Mode
6
14
14
0.038
0.038
mA
mA
mA
mA
mA
h
CLPROG
(Note 4) Ratio of Measured V
BUS
Current to
CLPROG Program Current
1x Mode
5x Mode
10x Mode
Low Power Suspend Mode
High Power Suspend Mode
224
1133
2140
11.3
59.4
mA/mA
mA/mA
mA/mA
mA/mA
mA/mA
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4088EDE#PBF LTC4088EDE#TRPBF 4088 14-Lead (4mm × 3mm) Plastic DFN –40°C to 85°C
Consult LT C Marketing for parts specified with wider operating temperature ranges.
Consult LT C 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/