Datasheet
LTC4099
2
4099fd
absoluTe MaxiMuM raTings
elecTrical characTerisTics
V
BUS
, WALL (Transient) t < 1ms,
Duty Cycle < 1% ...................................... –0.3V to 7V
V
BUS
, WALL (Static), BAT, BATSENS, IRQ,
NTC, DV
CC
............................................... –0.3V to 6V
SDA, SCL .......... –0.3V to Max (V
BUS
, V
OUT
, BAT) + 0.3V
I
OVSENS
.................................................................±10mA
I
CLPROG
....................................................................3mA
I
PROG
,
I
NTCBIAS
.........................................................2mA
I
OUT
, I
SW
, I
BAT
, I
VBUS
..............................................2.25A
Maximum Junction Temperature........................... 125°C
Operating
Temperature Range..................–40°C
to 85°C
Storage Temperature Range ...................–65°C to 125°C
I
IRQ
.........................................................................50mA
I
ACPR
......................................................................±5mA
(Notes 1, 2, 3)
The
l denotes the specifications which apply over the full operating temp-
erature range, otherwise specifications are at T
A
= 25°C. V
BUS
= 5V, BAT = 3.8V, DV
CC
= 3.3V, R
PROG
= 1.02k, R
CLPROG
= 3.01k, 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 100mA Mode
500mA Mode
620mA
Mode
790mA
Mode
1A
Mode
1.2A
Mode
Low
Power Suspend Mode
High
Power Suspend Mode
l
l
l
l
88
460
580
725
920
1150
0.30
1.6
93
485
620
790
965
1220
0.37
2.05
100
500
650
850
1000
1295
0.5
2.5
mA
mA
mA
mA
mA
mA
mA
mA
I
VBUSQ
(Note 4) Input Quiescent Current 100mA Mode
500mA, 620mA, 790mA, 1A, 1.2A Modes
Low
Power Suspend Mode
High
Power Suspend Mode
6
15
0.039
0.037
mA
mA
mA
mA
pin conFiguraTion
20 19 18 17
7 8
TOP VIEW
21
GND
UDC PACKAGE
20-LEAD (3mm s 4mm) PLASTIC QFN
9 10
6
5
4
3
2
1
11
12
13
14
15
16
OVGATE
NTC
NTCBIAS
V
C
WALL
BATSENS
SCL
DV
CC
SW
V
BUS
V
OUT
BAT
OVSENS
CLPROG
ACPR
SDA
PROG
IRQ
GND
IDGATE
T
JMAX
= 125°C, θ
JA
= 38°C/W
EXPOSED PAD (PIN 21) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4099EPDC#PBF LTC4099EPDC#TRPBF DQKT
20-Lead
(3mm × 4mm)
Plastic UTQFN
–40°C to 85°C (OBSOLETE)
LTC4099EUDC#PBF LTC4099EUDC#TRPBF LFPY
20-Lead
(3mm × 4mm)
Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/