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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： | 電荷泵驅動器的液晶顯示白色LED背光源 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 341K |
| 代理商： | ADM8845 |
ADM8845
Preliminary Technical Data
ABSOLUTE MAXIMUM RATINGS
Table 2. (TA = 25°C unless otherwise noted)
Parameter
Supply Voltage V
CC
I
SET
CTRL1, CTRL2
V
OUT
shorted (Note 3)
Feedback pins FB1 to FB6
Operating Temperature Range
V
OUT
(Note 4)
Storage Temperature Range
Power Dissipation
ESD Class
Note 1: LED Current should be derated above T
A
> 65C, refer to
Figure 22.
Note 2: Guaranteed by design. Not 100% production tested.
Note 3: Short through LED.
Note 4: Based on long term current density limitations.
Rev. PrJ 06/04 | Page 4 of 18
Rating
–0.3 V to +6.0 V
–0.3 V to +2.0 V
–0.3 V to +6.0 V
Indefinite
–0.3 V to +6.0 V
–40°C to +85°C
180mA
–65°C to +125°C
2mW
1
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Main Display
Sub Display
VOUT
FB1
FB2
FB3
FB4
FB5
FB6
Vcc
2.6V - 5.5V
CTRL1
CTRL2
GND
ADM8845
R
SET
I
SET
Figure 2. ADM8845 Typical Application Diagram
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| 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 |
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