ltc4002 Linear Technology Corporation, ltc4002 Datasheet - Page 2

• Manufacturer Part Number: ltc4002
• Description: Standalone Li-ion Switch Mode Battery Charger
• Manufacturer: Linear Technology Corporation

ABSOLUTE AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
LTC4002
Supply Voltage (V
GATE .................................................. (V
BAT, SENSE .............................................. – 0.3V to 14V
CHRG, NTC ................................................. – 0.3V to 8V
Consult LTC Marketing for parts specified with wider operating temperature ranges.
operating temperature range, otherwise specifications are at T
SYMBOL
DC Characteristics
V
I
V
V
V
V
V
∆V
V
V
I
I
V
R
t
2
ELECTRICAL CHARACTERISTICS
CC
COMP
CHRG
TIMER
CC
BAT(FLT)
SNS(CHG)
SNS(TRKL)
TRKL
UV
MSD
ASD
CHRG
EOC
UV
COMP
PGND
SGND
GATE
10-LEAD (3mm × 3mm) PLASTIC DFN
V
CC
EXPOSED PAD IS GND (PIN 11)
PARAMETER
V
V
Battery Regulated Float Voltage
Constant Current Sense Voltage
Trickle Current Sense Voltage
Trickle Charge Threshold Voltage
V
V
Manual Shutdown Threshold Voltage
Automatic Shutdown Threshold Voltage
COMP Pin Output Current
CHRG Pin Weak Pull-Down Current
CHRG Pin Output Low Voltage
End-of-Charge Ratio
Charge Time Accuracy
T
MUST BE SOLDERED TO PCB
1
2
3
4
5
JMAX
CC
CC
CC
CC
Supply Voltage
Supply Current
Undervoltage Lockout Threshold Voltage
Undervoltage Lockout Hysteresis Voltage
DD PACKAGE
= 125°C, θ
TOP VIEW
11
CC
W
JA
) .............................................. 24V
= 43°C/W
10
9
8
7
6
NC
NTC
SENSE
BAT
CHRG
W W
U
DD PART MARKING
LTC4002EDD-4.2
LTC4002EDD-8.4
ORDER PART
W
CC
NUMBER
– 8V) to V
U
LAGG
LBGY
CONDITIONS
Current Mode
Shutdown Mode
Sleep Mode
5V ≤ V
3V ≤ V
V
V
V
COMP Pin Falling
V
V
V
I
V
CHRG
BAT
BAT
CC
CC
COMP
CHRG
SNS(EOC)
Rising
– V
= 0V (Note 3)
Rising
= 1mA
(LTC4002-4.2) The
CC
BAT
= 1V
= 1.2V
BAT
U
(Note 1)
≤ 22V (Note 2)
/V
≤ 4V (Note 3)
CC
A
SNS(CHG)
= 25°C. V
Operating Temperature Range (Note 4) .. – 40°C to 85°C
Storage Temperature Range ................. – 65°C to 125°C
Lead Temperature (S8 Package)
(Soldering, 10 sec) ........................................... 300°C
CC
COMP
GATE
GND
V
= 10V unless otherwise noted.
CC
0°C ≤ T
–40°C ≤ T
T
●
JMAX
denotes the specifications which apply over the full
1
2
3
4
8-LEAD PLASTIC SO
= 125°C, θ
S8 PACKAGE
A
TOP VIEW
≤ 85°C
A
≤ 85°C
JA
= 110°C/W
8
7
6
5
●
●
●
●
NTC
SENSE
BAT
CHRG
4.168
4.158
2.75
MIN
200
4.7
3.9
93
90
15
10
5
S8 PART MARKING
0.15
TYP
100
200
360
250
100
4.2
2.9
4.2
10
10
25
25
LTC4002ES8-4.2
LTC4002ES8-8.4
3
3
ORDER PART
NUMBER
400242
400284
4.232
4.242
MAX
3.05
107
110
500
4.5
0.3
22
20
15
35
32
10
5
5
UNITS
4002f
mA
mA
mV
mV
mV
mV
mV
mV
µA
µA
µA
%
%
V
V
V
V
V
V