DRV201_15 Datasheet, PDF (7/29 Pages) Texas Instruments – DRV201 Voice Coil Motor Driver for Camera Auto Focus

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6.7 Typical Characteristics
120
100
80
60
40
20
0
0
20
VBAT = 3.7 V
40
60
I_OUT (mA)
80
100
C001
Figure 1. Linear Mode: Supply Current vs Output Current
80%
70%
60%
50%
40%
30%
20%
10%
0%
0
20
VBAT = 3.7 V
1 Mhz
4 Mhz
40
60
I_OUT (mA)
2 Mhz
6 Mhz
80
100
C003
Figure 3. PWM Mode: Efficiency vs Output Current
DRV201
SLVSB25C – AUGUST 2011 – REVISED JUNE 2015
50%
45%
40%
35%
30%
25%
20%
15%
10%
5%
0%
0
20
VBAT = 3.7 V
40
60
I_OUT (mA)
80
100
C002
Figure 2. Linear Mode: Efficiency vs Output Current
100
1MHz
2MHz
90
4MHz
6MHz
80
70
60
50
40
30
20
10
0
0
20
VBAT = 3.7 V
40
60
I_OUT (mA)
80
100
C004
Figure 4. PWM Mode: Supply Current vs Output Current
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