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參數(shù)資料
| 型號： | ADM8845ACP-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顯示驅動器 |
| 英文描述： | Charge Pump Driver for LCD White LED Backlights |
| 中文描述： | LED DISPLAY DRIVER, QCC16 |
| 封裝： | 3 X 3 MM, 0.90 MM HEIGHT, MO-220VEED-2, LFCSP-16 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大小： | 341K |
| 代理商： | ADM8845ACP-REEL7 |
ADM8845
Preliminary Technical Data
Rev. PrJ 06/04 | Page 8 of 18
Figure 16. 1x Mode Operating Waveforms
Power Efficiency over Li-ion Range
40
45
50
55
60
65
70
75
80
85
90
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
Vcc
3.6
3.7
3.8
3.9
4
4.1
4.2
P
Vf = 4.0V
Vf = 3.8V
Vf = 3.6V
Vf = 3.2V
Vf = 4.3V
Figure 18. Power Efficiency vs. Supply Voltage over Li-ion Range
(6 LEDS @ 15mA/LED)
Power Efficiency over Li-ion Range
40
45
50
55
60
65
70
75
80
85
90
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
Vcc
3.6
3.7
3.8
3.9
4
4.1
4.2
P
Vf = 4.3V
Vf = 4.0V
Vf = 3.8V
Vf = 3.6V
Vf = 3.2V
Figure 20. Power Efficiency vs. Supply Voltage over Li-ion Range
(4 LEDS @ 15mA/LED)
Power Efficiency over Li-ion Range
40
45
50
55
60
65
70
75
80
85
90
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
Vcc
3.6
3.7
3.8
3.9
4
4.1
4.2
P
Vf = 4.3V
Vf = 4.0V
Vf = 3.8V
Vf = 3.6V
Vf = 3.2V
Figure 17. Power Efficiency vs. Supply Voltage over Li-ion Range
(6 LEDS @ 20mA/LED)
Power Efficiency over Li-ion Range
40
45
50
55
60
65
70
75
80
85
90
2.8
2.9
3
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4
4.1
4.2
Vcc
P
Vf = 4.3V
Vf = 4.0V
Vf = 3.8V
Vf = 3.6V
Vf = 3.2V
Figure 19. Power Efficiency vs. Supply Voltage over Li-ion Range
(4 LEDS @ 20mA/LED)
Figure 21. TPC Delay
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADM8845ACPZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACPZ-REEL | 功能描述:IC LED DRVR WHITE BCKLGT 16LFCSP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅動器 系列:- 標準包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓撲:開路漏極，PWM 輸出數(shù):4 內部驅動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應商設備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| ADM8845ACPZ-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACPZ-REEL7 | 功能描述:IC LED DRVR WHITE BCKLGT 16LFCSP RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅動器 系列:- 標準包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓撲:開路漏極，PWM 輸出數(shù):4 內部驅動器:是 類型 - 主要:LED 閃爍器 類型 - 次要:- 頻率:400kHz 電源電壓:2.3 V ~ 5.5 V 輸出電壓:- 安裝類型:表面貼裝 封裝/外殼:8-VFDFN 裸露焊盤 供應商設備封裝:8-HVSON 包裝:帶卷 (TR) 工作溫度:-40°C ~ 85°C 其它名稱:935286881118PCA9553TK/02-TPCA9553TK/02-T-ND |
| ADM8845ACPZ-REEL71 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Charge Pump Driver for LCD White LED Backlights |
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