AAT2552
Total Power Solution for Portable Applications
Typical Characteristics–Battery Charger
Constant Charging Current vs. Set Resistors
(VIN = 5.0V)
Operating Supply Current vs. RSET
(VIN = 5.0V)
10000
1000
100
1000
100
10
Constant Current Mode
Preconditioning Mode
10
1
10
100
1000
1
10
100
R
SET (kΩ)
R
SET (kΩ)
Operating Current vs. Temperature
(VIN = 5.0V; RSET = 8.06kΩ)
Sleep Mode Current vs. Input Voltage
(RSET = 8.06kΩ)
540
520
500
480
460
440
800
700
600
500
400
300
200
100
0
25°C
85°C
-40°C
-50
-25
0
25
50
75
100
4.0
4.5
5.0
5.5
6.0
6.5
Temperature (°C)
Input Voltage (V)
Battery Charging Current vs. Battery Voltage
Constant Charging Current vs. Temperature
(RSET = 8.06kΩ)
600
210
208
205
203
200
198
195
193
190
RSET = 3.24K
500
400
RSET = 5.62K
300
RSET = 8.06K
200
RSET = 16.2K
RSET = 31.6K
100
0
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
-50
-25
0
25
50
75
100
VBAT (V)
Temperature (°C)
2552.2007.04.1.0
7
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
