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AS3677 Datasheet(PDF) 8 Page - ams AG

Part # AS3677
Description  Triple Channel Lighting Management Unit with DCDC step/up, ALS, 2xDLS(=DBC) and RGB Driver
PDF  68 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3677 Datasheet(HTML) 8 Page - ams AG

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AS3677
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
Measured at VBAT=3.7V and TAMB=25ºC unless otherwise specified.
Figure 4. DCDC Efficiency vs. Load Current
Figure 5. Charge Pump: Efficiency vs. VBAT
50
55
60
65
70
75
80
85
90
0
10
203040
5060
IOUT (mA)
Vout: 25V, L=NRH3012
Vout: 15V, L=NRH3012
20
30
40
50
60
70
80
90
2,8
3
3,2
3,4
3,6
3,8
4
4,2
VBAT [V]
Iload=50mA
Iload=20mA
Figure 6. Charge Pump: Battery current vs. VBAT
Figure 7. Current Sink CURR1 vs. V(CURRx)
0
10
20
30
40
50
60
70
80
90
100
110
2,8
3
3,2
3,4
3,6
3,8
4
4,2
VBAT [V]
Iload=50mA
Iload=20mA
0
5
10
15
20
25
30
0
0,2 0,4 0,6 0,8
1
1,2 1,4 1,6 1,8
2
VCURR [V]
Code=255
Code=128
Code=32
Figure 8. Current Sink RGB1 vs. V(CURRx)
Figure 9. LDO Output Voltage VANA vs. Code
0
5
10
15
20
25
30
0
0,2 0,4 0,6 0,8
1
1,2 1,4 1,6 1,8
2
VCURR [V]
Code=255
Code=128
Code=32
1,6
1,8
2
2,2
2,4
2,6
2,8
3
3,2
3,4
0
5
10
15
20
25
30
binary code



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