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AS3687 数据表(PDF) 7 Page - ams AG

部件名 AS3687
功能描述  Flexible Lighting Management
PDF  55 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS3687 数据表(HTML) 7 Page - ams AG

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AS3687/87XM
Datasheet
www.austriamicrosystems.com/AS3687
1v3-4
6 - 54
6
Typical Operating Characteristics
Note: Typical conditions are measured at 25°C and 3.6V (unless otherwise noted).
Figure
3 – DCDC Step Up Converter: Efficiency of +15V Step Up to 15V
vs. Load Current at VBAT = 3.8V
65
70
75
80
85
90
0
0.01
0.02
0.03
0.04
0.05
0.06
Load Current [A]
VOUT=14.2V
VOUT=17.2V
VOUT=22V
VOUT=14.2V
fclk=550kHz
Figure
4 – Charge Pump: Efficiency vs. VBAT
0
10
20
30
40
50
60
70
80
90
100
2.8
3
3.2
3.4
3.6
3.8
4
4.2
VBAT [V]
ILOAD=150mA
ILOAD=80mA
ILOAD=40mA
Figure
5 – Charge Pump: Battery Current vs. VBAT
0
50
100
150
200
250
2.8
3
3.2
3.4
3.6
3.8
4
4.2
VBat[V]
ILOAD=150mA
ILOAD=80mA
ILOAD=40mA
Figure
6 – Current Sink CURR1 vs. V(CURRx)
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
0.0
0.5
1.0
1.5
2.0
VCURR1 [V]
ICURR1=2.4mA
ICURR1=19.2mAm
ICURR1=38.25mA
Figure
7 – Current Sink CURR1 Protection Current
0,0
0,5
1,0
1,5
2,0
2,5
3,0
0,0
5,0
10,0
15,0
20,0
V(CURR1) [V]
curr_prot1_on=0
curr_prot1_on=1
4.5uA
Protection Current vs. Voltage (curr sinks off, curr_protX_on=0/1)
Figure
8 – Current Sink CURR3x vs. VBAT
0.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
0.0
0.5
1.0
1.5
2.0
VCURR30 [V]
ICURR30=2.4mA
ICURR30=19.2mAm
ICURR30=38.25mA



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