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參數資料
| 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： | 2/18頁 |
| 文件大?。?/td> | 341K |
| 代理商： | ADM8845 |
ADM8845
Preliminary Technical Data
TABLE OF CONTENTS
Rev. PrJ 06/04 | Page 2 of 18
General Description.....................................................................1
ADM8845—Specifications...............................................................3
Thermal Characteristics..............................................................3
Absolute Maximum Ratings.............................................................4
ESD Caution..................................................................................4
Pin Configuration and Function Description...............................5
Typical Performance Characteristics..............................................6
ADM8845 Operation..................................................................... 10
Output Current Capability........................................................11
Automatic Gain Control............................................................11
Current Matching.......................................................................11
ADM8845 Brightness Control With a Digital PWM Signal..... 12
ADM8845 LED Brightness Control Using a PWM Signal
Applied to V
PWM
.......................................................................... 14
ADM8845 LED Brightness Control Using a DC Voltage
Applied to V
BRIGHT
....................................................................... 14
ADM8845 Applications..................................................................15
Layout considerations and noise.............................................. 15
White LED Shorting.................................................................. 15
Driving Fewer than six LEDs.................................................... 15
Driving Flash LEDs.................................................................... 15
Driving Camera Light, Main and sub leds.............................. 16
ADM8845 Power Efficiency...........................................................17
Outline Dimensions........................................................................18
Ordering Guide .......................................................................... 18
REVISION HISTORY
REV. PrJ 06/04
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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: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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