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參數(shù)資料
| 型號： | LM27953TL |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | White LED Driver with Four LED Current Sinks and 3/2x Switched Capacitor Boost |
| 中文描述： | LED DISPLAY DRIVER, PBGA18 |
| 封裝： | 2.10 X 2.40 MM, 0.60 MM HEIGHT, TLA-18 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 681K |
| 代理商： | LM27953TL |
Connection Diagram
18-Bump Thin Micro SMD Package, Large Bump
NS Package Number TLA18
20128002
Pin Description
Pin #s
C1
D2
A3
Pin Names
V
IN
PWR GND
PWR P
OUT
C1+, C1-, C2+,
C2-
D1, D2, D3, D4
SIG P
OUT
EN
Pin Descriptions
Input voltage. Input range: 2.7V to 5.5V.
Power Ground
Charge pump output. Approximately 1.5xV
IN
Flying capacitor connections.
A1, B2, A5, E1
D6, E5, D4, E3
C5, B4, C3
B6
LED Outputs - Group A
Signal P
OUT
: Tie pins externally to PWR P
OUT
Enable for Charge Pump and LEDs (current outputs). Logic input.
High = LEDs ON. Low = LEDs OFF.
Pulsing this pin with a PWM signal (100Hz-1kHz) can be used to dim LEDs.
Signal Ground. Tie pin externally to PWR GND
Placing a resistor (R
SET
) between this pin and GND sets the LED current. LED
Current = 100 x (1.25V ÷ R
SET
).
No Connect
A7
E7
SIG GND
I
SET
C7
NC
Operational States
EN
L
H
Mode of Operation
Shutdown
Charge Pump Enabled. LEDs ON.
Ordering Information
Order Information
LM27953TL
LM27953TLX
Package
TLA18 Micro SMD
Supplied As
250 Units, Tape & Reel
3000 Units, Tape & Reel
L
www.national.com
2
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM27953TL/NOPB | 功能描述:IC LED DRVR WHT BCKLT 18USMD RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓撲:PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| LM27953TLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:White LED Driver with Four LED Current Sinks and 3/2x Switched Capacitor Boost |
| LM27953TLX/NOPB | 功能描述:IC LED DRVR WHT BCKLT 18USMD RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓撲:PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
| LM2795BL | 制造商:Texas Instruments 功能描述:IC WLED DRIVER QUAD POWERWISE |
| LM2795BL/NOPB | 功能描述:IC LED DRVR WHT BCKLT 14USMD RoHS:是 類別:集成電路 (IC) >> PMIC - LED 驅(qū)動器 系列:- 標(biāo)準包裝:1 系列:- 恒定電流:- 恒定電壓:- 拓撲:PWM，切換式電容器（充電泵） 輸出數(shù):1 內(nèi)部驅(qū)動器:是 類型 - 主要:背光 類型 - 次要:白色 LED 頻率:642kHz 電源電壓:2.7 V ~ 5.5 V 輸出電壓:5V 安裝類型:表面貼裝 封裝/外殼:10-VFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-VSON 包裝:剪切帶 (CT) 工作溫度:-30°C ~ 85°C 產(chǎn)品目錄頁面:1371 (CN2011-ZH PDF) 其它名稱:BD1603NUV-E2CT |
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