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參數資料
| 型號： | ADM8845ACPZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顯示驅動器 |
| 英文描述： | 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 |
| 中文描述： | LED DISPLAY DRIVER, QCC16 |
| 封裝： | 3 X 3 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, MO-220VEED-2, LFCSP-16 |
| 文件頁數： | 16/18頁 |
| 文件大小： | 341K |
| 代理商： | ADM8845ACPZ-REEL7 |
ADM8845
Preliminary Technical Data
DRIVING CAMERA LIGHT, MAIN AND SUB LEDS
The ADM8845 can also be configured to power a camera light which is composed of four white LEDs in parallel, packaged into one
package. FB1 to FB4 now power the camera light and FB5 and FB6 powers the main display and the sub display LED is powered from the
ADM8845 by using an external current mirror to control the current flowing through the sub white LED, see Figure 32. All white LEDs
have 15mA/LED, therefore total load on the ADM8845 charge pump is 105mA, max load on the ADM8845 charge pump is 180mA see
Figure 22.
Rev. PrJ 06/04 | Page 16 of 18
Charge Pump
1x/1.5x/2x mode
Control
Logic
VCC
C4
Osc
Vref
+
-
LED Current
Control
Circuit
Current Controlled Sinks
Iset
GND
ADM8845
Vout
FB2
FB3
FB4
FB5
FB6
FB1
C3
C1
C2
Rset
9.44k
Current
Control
1
Current
Control
2
Current
Control
3
Current
Control
4
Current
Control
5
Current
Control
6
CTRL1
CTRL2
Main
Camera
Sub
R
Current
Control
7
15mA/LED
15mA/LED
15mA/LED
Figure 32. ADM8845 Driving Camera Light + Two Main + One Sub
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| ADM8845EB-EVALZ | 功能描述:BOARD EVALUATION FOR ADM8845 RoHS:是 類別:編程器，開發系統 >> 評估板 - LED 驅動器 系列:- 標準包裝:1 系列:PowerWise® 電流 - 輸出 / 通道:20mA 輸出及類型:1，非隔離 輸出電壓:17V 特點:可調光 輸入電壓:2.7 ~ 5.5 V 已供物品:板 已用 IC / 零件:LM3508 相關產品:LM3508TLX-ND - IC LED DRVR WHT BCKLGT 9USMDLM3508TLDKR-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLCT-ND - IC LED DRVR WHT BCKLGT 9MICROSMDLM3508TLTR-ND - IC LED DRVR WHT BCKLGT 9MICROSMD |
| ADM8846ACP | 制造商:Analog Devices 功能描述:CHARGE PUMP DRIVER FOR LCD LED BACKLIGHTS - Bulk |
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