Datasheet

LTC4089/LTC4089-5
2
40895fc
Terminal Voltage
BOOST ...................................................... 0.3V to 50V
BOOST above SW .....................................................25V
HVIN, HVEN .............................................. 0.3V to 40V
IN, OUT, HVOUT
t < 1ms and Duty Cycle < 1% .................. 0.3V to 7V
DC ............................................................ 0.3V to 6V
BAT .............................................................. 0.3V to 6V
NTC, TIMER, PROG, CLPROG .......–0.3V to (V
CC
+ 0.3V)
CHRG, HPWR, SUSP, HVPR ......................... 0.3V to 6V
Pin Current, DC
IN, OUT, BAT (Note 6) ...............................................2.5A
Operating Temperature Range
LTC4089E ................................................. 40°C to 85°C
Maximum Operating Junction Temperature .......... 110°C
Storage Temperature Range ...................65°C to 125°C
(Notes 1, 2, 3, 4, 5)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
USB Input Current Limit
V
IN
USB Input Supply Voltage IN
l
4.35 5.5 V
I
IN
Input Bias Current I
BAT
= 0 (Note 7)
Suspend Mode; SUSP = 5V
l
l
0.5
50
1
100
mA
μA
I
LIM
Current Limit R
CLPROG
= 2k, HPWR = 5V
R
CLPROG
= 2k, HPWR = 0V
l
l
475
90
500
100
525
110
mA
mA
I
IN(MAX)
Maximum Input Current Limit (Note 8) 2.4 A
R
ON
ON Resistance V
IN
to V
OUT
I
OUT
= 80mA Load 0.215
V
CLPROG
CLPROG Pin Voltage R
CLPROG
= 2k
R
CLPROG
= 1k
l
l
0.98
0.98
1.00
1.00
1.02
1.02
V
V
I
SS
Soft-Start Inrush Current IN 5 mA/μs
V
CLEN
Input Current Limit Enable
Threshold Voltage (V
IN
– V
OUT
)
(V
IN
– V
OUT
) V
IN
Rising
(V
IN
– V
OUT
) V
IN
Falling
20
–80
50
–50
80
–20
mV
mV
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10
11
HVEN
HVIN
BOOST
SW
HVOUT
TIMER
SUSP
HPWR
CLPROG
OUT
IN
TOP VIEW
23
DJC PACKAGE
22-LEAD (6mm s 3mm) PLASTIC DFN
GND
GND
HVOUT
V
C
NTC
VNTC
HVPR
CHRG
PROG
GATE
BAT
T
JMAX
= 110°C, θ
JA
= 40°C/W
EXPOSED PAD (PIN 23) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4089EDJC#PBF LTC4089EDJC#TRPBF 4089
22-Lead (6mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4089EDJC-5#PBF LTC4089EDJC-5#TRPBF 40895
22-Lead (6mm × 3mm) Plastic DFN
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based fi nish parts.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifi cations, go to:
http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. HVIN = 12V, BOOST = 17V, V
IN
= 5V, V
BAT
= 3.7V, HVEN = 12V,
HPWR = 5V, R
PROG
= 100k, R
CLPROG
= 2k, SUSP = 0V, unless otherwise noted.