參數(shù)資料
型號: LM27953
廠商: National Semiconductor Corporation
元件分類: LED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: 白光LED 4個LED電流吸收和3/2x開關(guān)電容升壓驅(qū)動
文件頁數(shù): 7/11頁
文件大?。?/td> 681K
代理商: LM27953
Typical Performance Characteristics
Unless otherwise specified: V
IN
= 3.6V; V
LED
= 3.6V; EN = V
IN
;
R
SET
= 8.35k
; C
IN
, C
1
, C
2
, and C
POUT
= 1μF. (Continued)
Charge Pump Switching Frequency
vs. Input Voltage
Diode Current (Dx)
vs. Headroom Voltage (Dx)
20128012
20128013
Diode Current (Dx)
vs. PWM Duty Cycle (EN)
Diode Current (Dx)
vs. R
SET
20128015
20128016
Input Voltage (Top)
and Output Voltage (Bottom) Waveforms
EN Signal (Top)
and Charge Pump Start-Up (Bottom) Waveforms
20128017
Vertical Scale = (100mV/div),
Horizontal Scale = 1μs/div)
20128018
Vertical Scale = (2V/div),
Horizontal Scale = 100μs/div)
L
www.national.com
7
相關(guān)PDF資料
PDF描述
LM27953TL White LED Driver with Four LED Current Sinks and 3/2x Switched Capacitor Boost
LM27 SOT-23, 3 Degree Celcious Accurate, 120-150 Degree Celcious Factory Preset Thermostat
LM27CIM5-1HJ SOT-23, 3 Degree Celcious Accurate, 120-150 Degree Celcious Factory Preset Thermostat
LM27CIM5-2HJ SOT-23, 3 Degree Celcious Accurate, 120-150 Degree Celcious Factory Preset Thermostat
LM27CIM5X-1HJ SOT-23, 3 Degree Celcious Accurate, 120-150 Degree Celcious Factory Preset Thermostat
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM27953TL 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:IC LED DRIVER WHITE SMD 27953
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