ADM8845 데이터 시트보기 (PDF) - Analog Devices
부품명
상세내역
제조사
ADM8845 Datasheet PDF : 20 Pages
| |||
ADM8845
VCC 1
VOUT 2
CH1 20.0mV BW CH2 20.0mV BW M 400ns CH1
Figure 15. 1× Mode Operating Waveforms
220mV
90
VF = 3.8V
85
VF = 4.0V
80
VF = 4.3V
75
70
65
60
55
VF = 3.6V
50
VF = 3.2V
45
40
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
VCC
Figure 16. Power Efficiency vs. Supply Voltage over Li-ion Range,
Six LEDS @ 15 mA/LED
90
85
VF = 3.8V
80
VF = 4.0V
75
VF = 4.3V
70
65
60
55
VF = 3.6V
50
VF = 3.2V
45
40
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
VCC
Figure 17. Power Efficiency vs. Supply Voltage over Li-Ion Range,
Four LEDS @ 15 mA/LED
90
VF = 3.6V
85
VF = 4.0V
80
VF = 4.3V
75
70
65
60
55
VF = 3.8V
50
VF = 3.2V
45
40
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
VCC
Figure 18. Power Efficiency vs. Supply Voltage over Li-Ion Range,
Six LEDS @ 20 mA/LED
90
VF = 4.3V
85
VF = 4.0V
80
VF = 3.8V
75
70
65
60
55
VF = 3.6V
50
VF = 3.2V
45
40
2.8 2.9 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0 4.1 4.2
VCC
Figure 19. Power Efficiency vs. Supply Voltage over Li-Ion Range
Four LEDS @ 20 mA/LED
CTRL1/2
1
VOUT
∆: 44.0ms C2 FALL
@: –44.4ms 200µs
LOW SIGNAL
AMPLITUDE
2
CH1 2.00V CH2 2.00V
M10.0ms
Figure 20. TPC Delay
CH2 4.36V
Rev. 0 | Page 8 of 20
Share Link: 