Datasheet

LTC4160/LTC4160-1
2
41601fa
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V
BUS
(Transient) t < 1ms, Duty Cycle < 1% .. –0.3V to 7V
V
BUS
(Static), BAT, V
OUT,
NTC, ENOTG, ID,
ENCHARGER, VBUSGD, FAULT, CHRG......... –0.3V to 6V
I
LIM0
, I
ILIM1
........ –0.3V to Max(V
BUS
, V
OUT
, BAT) + 0.3V
I
OVSENS
................................................................... 10mA
I
CLPROG
....................................................................3mA
I
CHRG
, I
VBUSGD
, I
FAULT
.............................................50mA
I
PROG
........................................................................2mA
I
LDO3V3
...................................................................30mA
I
SW
, I
BAT
, I
VOUT
, I
VBUS
..................................................2A
Operating Temperature Range..................–40°C to 85°C
Maximum Junction Temperature...........................125°C
Storage Temperature Range
...................–65°C to 125°C
(Notes 1, 2, 3)
20 19 18 17
7 8
TOP VIEW
21
GND
UDC PACKAGE
20-LEAD (3mm × 4mm) PLASTIC QFN
9 10
6
5
4
3
2
1
11
12
13
14
15
16
OVGATE
OVSENS
VBUSGD
FAULT
ID
ENOTG
I
LIM1
I
LIM0
SW
V
BUS
V
OUT
BAT
NTC NTCBIAS LDO3V3 CLPROG
ENCHARGER
PROG CHRG
IDGATE
T
JMAX
= 125°C, θ
JA
= 43°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
LTC4160EUDC#PBF LTC4160EUDC#TRPBF LFXY 20-Lead (3mm × 4mm) Plastic QFN –40°C to 85°C
LTC4160EUDC-1#PBF LTC4160EUDC-1#TRPBF LFXZ 20-Lead (3mm × 4mm) Plastic QFN –40°C to 85°C
LTC4160EPDC#PBF LTC4160EPDC#TRPBF FDRT 20-Lead (3mm × 4mm) Plastic UTQFN –40°C to 85°C (OBSOLETE)
LTC4160EPDC-1#PBF LTC4160EPDC-1#TRPBF FDST 20-Lead (3mm × 4mm) Plastic UTQFN –40°C to 85°C (OBSOLETE)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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/
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
PowerPath Switching Regulator – Step-Down Mode
V
BUS
Input Supply Voltage 4.35 5.5 V
I
BUS(LIM)
Total Input Current 1x Mode
5x Mode
10x Mode
Suspend Mode
l
l
l
l
82
440
900
0.32
90
480
955
0.43
100
500
1000
0.5
mA
mA
mA
mA
I
VBUSQ
(Note 4) Input Quiescent Current 1x Mode
5x, 10x Modes
Suspend Mode
7
20
0.050
mA
mA
mA
h
CLPROG
(Note 4) Ratio of Measured V
BUS
Current to
CL
PROG
Program Current
1x Mode
5x Mode
10x Mode
Suspend Mode
211
1170
2377
9.6
mA/mA
mA/mA
mA/mA
mA/mA
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C (Note 2). V
BUS
= 5V, BAT = 3.8V, R
CLPROG
= 3.01k, unless otherwise noted.