Datasheet

LTC4053-4.2
2
4053fa
Input Supply Voltage (V
CC
) ....................................... 7V
BAT ........................................................................... 7V
NTC, SHDN, TIMER, PROG ............ –0.3V to V
CC
+ 0.3V
CHRG, FAULT, ACPR .................................. –0.3V to 7V
BAT Short-Circuit Duration .......................... Continuous
BAT Current (Note 2) ............................................. 1.3A
PROG Current (Note 2) ....................................... 1.3mA
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
(Note 1)
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC4053EDD-4.2
T
JMAX
= 125°C, θ
JA
= 40°C/W (NOTE 4)
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
1
2
3
4
5
CHRG
V
CC
FAULT
TIMER
GND
10
9
8
7
6
ACPR
BAT
SHDN
PROG
NTC
TOP VIEW
11
MSE EXPOSED PAD PACKAGE
10-LEAD PLASTIC MSOP
DD PART MARKING
LBQC
Junction Temperature.......................................... 125°C
Operating Temperature Range (Note 3) ...–40°C to 85°C
Storage Temperature Range
MSE .................................................. – 65°C to 150°C
DD .................................................... – 65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSE .................................................................. 300°C
ORDER PART
NUMBER
LTC4053EMSE-4.2
MSE PART MARKING
LTZT
TOP VIEW
11
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
10
9
6
7
8
4
5
3
2
1
ACPR
BAT
SHDN
PROG
NTC
CHRG
V
CC
FAULT
TIMER
GND
T
JMAX
= 125°C, θ
JA
= 40°C/W (NOTE 4)
EXPOSED PAD (PIN 11) IS GND
(MUST BE SOLDERED TO PCB)
ELECTRICAL CHARACTERISTICS
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
CC
= 5V
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
V
CC
Supply Voltage ● 4.25 6.5 V
I
CC
V
CC
Supply Current Charger On; Current Mode; R
PROG
= 30k (Note 5) ● 12 mA
Shutdown Mode; V
SHDN
= 0V ● 25 50 µA
Sleep Mode V
CC
< V
BAT
or V
CC
≤ 4V ● 25 50 µA
V
BAT
V
BAT
Regulated Float Voltage ● 4.158 4.2 4.242 V
I
BAT
Battery Pin Current R
PROG
= 3k; Current Mode ● 465 500 535 mA
R
PROG
= 15k; Current Mode ● 93 100 107 mA
Shutdown Mode; V
SHDN
= 0V ±1 ±3 µA
Sleep Mode V
CC
< V
BAT
or V
CC
< (V
UV
– ∆V
UV
) ±1 ±3 µA
I
TRIKL
Trickle Charge Current V
BAT
< 2V; R
PROG
= 3k ● 35 50 65 mA
V
TRIKL
Trickle Charge Trip Threshold V
BAT
Rising 2.48 V
∆V
TRIKL
Trickle Charge Trip Hysteresis 100 mV
V
UV
V
CC
Undervoltage Lockout Voltage V
CC
Rising ● 4 4.25 V
∆V
UV
V
CC
Undervoltage Lockout Hysteresis 200 mV
V
MSD
Manual Shutdown Threshold Voltage SHDN Pin Voltage 0.6 1.3 V
V
ASD
Automatic Shutdown Threshold Voltage (V
CC
- V
BAT
) High to Low 35 mV
(V
CC
- V
BAT
) Low to High 70 mV
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/