Datasheet

LTC4090/LTC4090-5
2
4090fc
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
HVIN, HVEN (Note 9) ................................................60V
BOOST ......................................................................56V
BOOST above SW .....................................................30V
PG, SYNC ..................................................................30V
IN, OUT, HVOUT
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State ............................................. –0.3V to 6V
BAT, HPWR, SUSP, V
C
, CHRG, HVPR ........... –0.3V to 6V
NTC, TIMER, PROG, CLPROG ..........–0.3V to V
CC
+ 0.3V
I
IN
, I
OUT
, I
BAT
(Note 5) ..............................................2.5A
Operating Temperature Range......................–40 to 85°C
Junction Temperature ........................................... 110°C
Storage Temperature Range .......................–65 to 125°C
(Notes 1, 2, 3, 4)
22
21
20
19
18
17
16
15
14
13
12
1
2
3
4
5
6
7
8
9
10
11
HVEN
HVIN
SW
BOOST
HVOUT
TIMER
SUSP
HPWR
CLPROG
OUT
IN
TOP VIEW
23
DJC PACKAGE
22-LEAD
(
6mm s 3mm
)
PLASTIC DFN
SYNC
PG
R
T
V
C
NTC
VNTC
HVPR
CHRG
PROG
GATE
BAT
T
JMAX
= 110°C, θ
JA
= 47°C/W
EXPOSED PAD (PIN 23) IS GND, MUST BE SOLDERED TO PCB
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
USB Input Current Limit
V
IN
USB Input Supply Voltage
l
4.35 5.5 V
I
IN
Input Bias Current I
BAT
= 0 (Note 6)
Suspend Mode; SUSP = 5V
l
l
0.5
50
1
100
mA
μA
I
LIM
Current Limit HPWR = 5V
HPWR = 0V
l
l
475
90
500
100
525
110
mA
mA
I
IN(MAX)
Maximum Input Current Limit (Note 7) 2.4 A
R
ON
On-Resistance V
IN
to V
OUT
I
OUT
= 80mA 0.215
Ω
V
CLPROG
CLPROG Servo Voltage in Current Limit 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 10 mA/μs
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. HVIN = HVEN = 12V, BOOST = 17V, V
IN
= HPWR = 5V, V
BAT
= 3.7V,
R
PROG
= 100k, R
CLPROG
= 2k and SUSP = 0V, unless otherwise noted.
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4090EDJC#PBF LTC4090EDJC#TRPBF 4090
22-Lead (6mm × 3mm) Plastic DFN
–40°C to 85°C
LTC4090EDJC-5#PBF LTC4090EDJC-5#TRPBF 40905
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/
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ELECTRICAL CHARACTERISTICS