MAX1508 Maxim, MAX1508 Datasheet - Page 4

• Manufacturer Part Number: MAX1508
• Description: Linear Li Battery Charger with Integrated Pass FET / Thermal Regulation / and ACOKin 3mm x 3mm TDFN
• Manufacturer: Maxim

Linear Li+ Battery Charger with Integrated Pass FET,
Thermal Regulation, and ACOK in 3mm x 3mm TDFN
(V
1µF, C
4
IN
600
550
500
450
400
350
300
250
200
150
100
_______________________________________________________________________________________
2.0
1.5
1.0
0.5
= 5V, V
50
0
0
VL
0
0
= 0.47µF, T
1
BATT
2
600
580
560
540
520
500
480
460
440
420
2
3
-40
vs. INPUT VOLTAGE
vs. INPUT VOLTAGE
CHARGE CURRENT
SUPPLY CURRENT
= 4.0V, ACOK = EN = CHG = unconnected, EN = VL (MAX1508Y), R
4
4
INPUT VOLTAGE (V)
INPUT VOLTAGE (V)
5
vs. AMBIENT TEMPERATURE
A
-15
6
= +25°C, unless otherwise noted.)
6
AMBIENT TEMPERATURE (°C)
7
CHARGE CURRENT
8
8
10
9
10
10
I
BATT
11
35
= 0
12
12
13
60
85
600
550
500
450
400
350
300
250
200
150
100
2.0
1.5
1.0
0.5
50
0
0
0
0
EN = VL (MAX1508/1508Z)
EN = GND (MAX1508Y)
0.04
vs. INPUT-VOLTAGE HEADROOM
CURRENT vs. INPUT VOLTAGE
2
0.08
DISABLED-MODE SUPPLY
0.12
CHARGE CURRENT
4
INPUT VOLTAGE (V)
V
0.16
IN
- V
6
0.20
BATT
Typical Operating Characteristics
0.24
(V)
8
0.28 0.32 0.36
10
12
1000
900
800
700
600
500
400
300
200
100
0.40
0
ISET
-40
R
ISET
= 2.8kΩ to GND, C
vs. AMBIENT TEMPERATURE
4.210
4.207
4.204
4.201
4.198
4.195
4.192
4.189
4.186
4.183
4.180
= 1.87kΩ
-15
600
500
400
300
200
100
AMBIENT TEMPERATURE (°C)
0
CHARGE CURRENT
-40
0
10
BATTERY REGULATION VOLTAGE
V
-15
BATT
vs. BATTERY VOLTAGE
1
CHARGE CURRENT
vs. TEMPERATURE
BATTERY VOLTAGE (V)
35
= 3.6V
TEMPERATURE (°C)
IN
10
V
BATT
2
= 1µF, C
60
= 4.0V
35
3
85
BATT
60
=
4
85