LTC4068XEDD-4.2 Linear Technology, LTC4068XEDD-4.2 Datasheet - Page 4

• Manufacturer Part Number: LTC4068XEDD-4.2
• Description: IC CHARGER BATT LI-ON 8-DFN
• Manufacturer: Linear Technology
• Type: Battery Chargerr

Specifications of LTC4068XEDD-4.2

• Function: Charge Management
• Battery Type: Lithium-Ion (Li-Ion)
• Voltage - Supply: 4.25 V ~ 6.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-WFDFN Exposed Pad
• Output Current: 950mA
• Output Voltage: 4.2V
• Operating Supply Voltage (min): 4.25V
• Operating Supply Voltage (max): 6.5V
• Operating Temp Range: -40C to 85C
• Package Type: DFN
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC4068-4.2/LTC4068X-4.2
4
TYPICAL PERFOR A CE CHARACTERISTICS
4.14
4.26
4.24
4.22
4.20
4.18
4.16
4.12
4.10
30
25
20
15
10
60
50
40
30
20
10
0
5
0
0
0
Regulated Output (Float) Voltage
vs Charge Current
CHRG Pin I-V Curve
(Pull-Down State)
4
V
T
R
Trickle Charge Current
vs Supply Voltage
V
T
A
CC
PROG
A
BAT
= 25°C
100
= 25°C
= 5V
1
4.5
= 2.5V
T
= 1.25k
A
= –40°C
200
2
5
300
V
I
BAT
3
CHRG
V
R
CC
R
5.5
PROG
PROG
(mA)
(V)
400
4
(V)
= 10k
T
T
= 2k
A
A
6
500
= 25°C
= 90°C
LTC4068 ONLY
5
W
V
V
CC
BAT
6.5
600
405842 G07
6
405842 G04
= 5V
405842 G10
= 4V
U
700
7
7
2.900
2.850
2.800
3.000
2.975
2.950
2.925
2.875
2.825
4.215
4.210
4.205
4.200
4.195
4.190
4.185
30
25
20
15
10
0
5
–50
–50
0
Regulated Output (Float) Voltage
vs Temperature
ACPR Pin I-V Curve
(Pull-Down State)
Trickle Charge Threshold Voltage
vs Temperature
V
R
V
R
CC
PROG
CC
PROG
1
= 5V
–25
= 5V
–25
T
= 10k
A
= 10k
= –40°C
2
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
V
3
ACPR
25
25
(V)
4
T
T
A
A
50
50
LTC4068 ONLY
= 25°C
= 90°C
5
V
V
CC
BAT
75
75
405842 G08
6
= 5V
405842 G11
405842 G05
= 4V
100
100
7
4.215
4.210
4.205
4.200
4.195
4.190
4.185
600
500
300
200
100
400
60
50
40
30
20
10
0
0
–50
2.4
Regulated Output (Float) Voltage
vs Supply Voltage
4
Trickle Charge Current
vs Temperature
Charge Current vs Battery Voltage
LTC4068 ONLY
V
V
T
R
CC
BAT
A
PROG
2.7
= 25°C
= 5V
–25
4.5
= 2.5V
= 10k
3
TEMPERATURE (°C)
0
5
3.3
V
V
θ
R
V
R
BAT
CC
JA
R
PROG
CC
PROG
25
5.5
PROG
= 40°C/W
= 5V
(V)
3.6
(V)
= 2k
= 10k
= 2k
50
6
LTC4068 ONLY
3.9
75
6.5
4.2
405842 G12
405842 G09
406842fa
405842 G06
100
4.5
7