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參數(shù)資料
| 型號： | ADM8845 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Charge Pump Driver for LCD White LED Backlights |
| 中文描述： | 電荷泵驅(qū)動器的液晶顯示白色LED背光源 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大小： | 341K |
| 代理商： | ADM8845 |
ADM8845
Preliminary Technical Data
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. PrJ 06/04 | Page 6 of 18
5
10
15
20
25
30
35
4.75
6.75
8.75
10.75
12.75
14.75
Rset (kohm)
L
Figure 4. LED Current vs. R
SET
Resistor
20
20.05
20.1
20.15
20.2
20.25
20.3
20.35
2.6
3.1
3.6
4.1
4.6
5.1
Supply Voltage (V)
L
25'C
-40'C
85'C
Figure 6. LED Current (mA) vs. Temperature (°C), 6 LEDs enabled.
-0.300
-0.200
-0.100
0.000
0.100
0.200
0.300
-40
-20
0
25
45
65
85
Temperature
%
Figure 8. I
LED
Matching (%) over Temperature (°C), with Vcc = 3.6,
I
LED
= 20mA , 6 LEDs enabled.
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
2.6
3
3.4
3.8
4.2
4.6
5
5.4
Supply Voltage (V)
M
Max Positive Matching Error
Max Negative Matching Error
Figure 5. LED Current Matching Error (%) vs. Supply Voltage (V),
T
A
= 25°C and I
LED
= 20mA
20.08
20.1
20.12
20.14
20.16
20.18
20.2
20.22
20.24
-40
0
40
80
Temperature ('C)
L
Figure 7. I
LED
(mA) Variation over Temperature (°C), with Vcc = 3.6V
5
10
15
20
25
30
35
2.6
3
3.4
3.8
4.2
4.6
5
5.4
Supply Voltage (V)
L
Figure 9. LED Current (mA) vs. Supply Voltage (V)
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PDF描述 |
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| ADM8845ACP | Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACP-REEL7 | Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACPZ | Charge Pump Driver for LCD White LED Backlights |
| ADM8845ACPZ-REEL7 | 20-21 (9 Contact) Pin Insert; For Use With:Amphenol MIL-C-5015 97 Series Circular Connectors; No. of Contacts:9; Gender:Male; Operating Voltage:700V |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM8845ACP | 制造商:Analog Devices 功能描述:CHG PUMP STPUP 30MA 16LFCSP - Bulk |
| ADM8845ACP-REEL | 制造商:Analog Devices 功能描述:Charge Pump STPUP 30mA 16-Pin LFCSP EP T/R |
| ADM8845ACP-REEL7 | 制造商:Analog Devices 功能描述:Charge Pump STPUP 30mA 16-Pin LFCSP EP T/R |
| 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(qū)動器 系列:- 標(biāo)準(zhǔn)包裝:6,000 系列:- 恒定電流:- 恒定電壓:- 拓?fù)?開路漏極，PWM 輸出數(shù):4 內(nèi)部驅(qū)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(yīng)商設(shè)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 |
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