Datasheet

LTC4054L-4.2
2
4054l42fa
pin conFiguraTionabsoluTe MaxiMuM raTings
Input Supply Voltage (V
CC
) ........................ –0.3V to 10V
PROG ...............................................–0.3V to V
CC
+ 0.3V
CHRG ......................................................... –0.3V to 10V
BAT .............................................................. –0.3V to 7V
BAT Short-Circuit Duration ........................... Continuous
BAT Pin Current .................................................. 200mA
PROG Pin Current .................................................1.5mA
Maximum Junction Temperature .......................... 125°C
Operating Temperature Range (Note 2)....–40°C to 85°C
Storage Temperature Range .................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec) ................... 300°C
(Note 1)
CHRG 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC TSOT-23
BAT 3
5 PROG
4 V
CC
T
JMAX
= 125°C, θ
JA
= 80°C/W TO 150°C/W
DEPENDING ON PCB BOARD LAYOUT (NOTE 3)
orDer inForMaTion
LEAD FREE FINISH TAPE AND REEL PART MARKING PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC4054LES5-4.2#PBF LTC4054LES5-4.2#TRPBF LTA FA 5-Lead Plastic TSOT-23 –40°C to 85°C
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
V
CC
Supply Voltage
l
4.25 6.5 V
I
CC
Supply Current Charge Mode (Note 4), R
PROG
= 1k
Standby Mode (Charge Terminated)
Shutdown Mode (R
PROG
Not Connected,
V
CC
< V
BAT
, or V
CC
< V
UV
)
l
l
l
1200
200
25
2000
500
50
µA
µA
µA
V
FLOAT
Regulated Output (Float) Voltage 0°C ≤ T
A
≤ 85°C, I
BAT
= 40mA 4.158 4.2 4.242 V
I
BAT
BAT Pin Current R
PROG
= 15k, Current Mode
R
PROG
= 1k, Current Mode
Standby Mode, V
BAT
= 4.2V
Shutdown Mode (R
PROG
Not Connected)
Sleep Mode, V
CC
= 0V
l
l
l
9.3
142.5
0
10
150
–2.5
±1
±1
10.7
157.5
–6
±2
±2
mA
mA
µA
µA
µA
I
TRIKL
Trickle Charge Current V
BAT
< V
TRIKL
, R
PROG
= 1k (I
BAT
= 150mA)
l
5 15 25 mA
V
TRIKL
Trickle Charge Threshold Voltage R
PROG
= 15k, V
BAT
Rising 2.8 2.9 3 V
V
TRHYS
Trickle Charge Hysteresis Voltage R
PROG
= 15k 60 80 110 mV
V
UV
V
CC
Undervoltage Lockout Threshold Voltage From V
CC
Low to High
l
3.7 3.8 3.92 V
V
UVHYS
V
CC
Undervoltage Lockout Hysteresis Voltage
l
150 200 300 mV
V
MSD
Manual Shutdown Threshold Voltage PROG Pin Rising
PROG Pin Falling
l
l
1.15
0.9
1.21
1.0
1.30
1.1
V
V
V
ASD
V
CC
– V
BAT
Lockout Threshold Voltage V
CC
from Low to High
V
CC
from High to Low
70
5
100
30
140
50
mV
mV
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V, unless otherwise noted.