PRODUCT DATASHEET
AAT2610
7-Channel PMU for Digital Still Cameras
Typical Characteristics
AUX1 Efficiency vs. PWM Duty Cycle
AUX2 Efficiency vs. Output Current
(4 WLEDs; L = 4.7μH; COUT = 1μF; 10kHz PWM Control)
(VAUX2 = +15V; L = 4.7μH; COUT = 4.7μF)
90
80
70
60
90
85
80
75
70
50
40
30
20
10
0
VBAT = 1.8V
VBAT = 2.4V
VBAT = 1.8V
VBAT = 2.4V
BAT = 2.7V
VBAT = 3.0V
65
60
V
BAT = 2.7V
V
VBAT = 3.0V
BAT = 3.6V
55
50
45
40
V
VBAT = 3.6V
VBAT = 4.2V
VBAT = 4.2V
VBAT = 5.0V
VBAT = 5.0V
0
2
4
6
8
10
12
14
16
18
20
1
10
100
LED Current (mA)
Output Current (mA)
AUX3 Efficiency vs. Output Current
AUX1 PWM Duty Cycle vs. LED Current
(VAUX3 = -7.5V; L = 4.7μH; COUT = 4.7μF)
(4 WLEDs; L = 4.7μH; COUT = 1μF; 10kHz PWM Control)
80
75
70
65
60
55
50
45
40
20
16
12
VBAT = 1.8V
VBAT = 1.8V
VBAT = 2.4V
VBAT = 2.4V
V
BAT = 2.7V
8
4
0
V
BAT = 2.7V
VBAT = 3.0V
VBAT = 3.0V
VBAT = 3.6V
BAT = 4.2V
V
BAT = 3.6V
BAT = 4.2V
V
V
VBAT = 5.0V
VBAT = 5.0V
1
10
100
0
10
20
30
40
50
60
70
80
90
100
Load Current (mA)
Duty Cycle (%)
SU Load Regulation vs. Output Current
Main SD Load Regulation vs. Output Current
(VSU = 5V; L = 2.2μH; COUT = 22μF)
(VPVM = VBAT; VMSD = 3.3V; L = 3.3μH; COUT = 4.7μF)
0.05
0.020
0.015
0.010
0.005
0.000
-0.005
-0.010
-0.015
-0.020
-0.025
-0.030
-0.035
-0.040
-0.045
-0.050
VBAT = 3.3V
0.04
VBAT = 3.6V
V
BAT = 3.8V
0.03
0.02
VBAT = 4.2V
VBAT = 5.0V
0.01
VBAT = 1.8V
VBAT = 2.4V
0.00
V
BAT = 2.7V
-0.01
-0.02
-0.03
-0.04
VBAT = 3.0V
VBAT = 3.3V
VBAT = 3.6V
VBAT = 3.8V
VBAT = 4.2V
VBAT = 5.0V
Bypass mode
Dropout Mode
-0.05
0
0
200
400
600
800
1000 1200
1400 1600
50
100
150
200
250
300
350
400
Load Current (mA)
Load Current (mA)
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2610.2008.11.1.1
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
