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參數(shù)資料
| 型號： | NJU6052V |
| 廠商： | New Japan Radio Co., Ltd. |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | White LED Driver with Automatic Dimming Control |
| 中文描述： | 白光LED驅(qū)動器的自動調(diào)光控制 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 209K |
| 代理商： | NJU6052V |
Ver.2004-02-26
- 1 -
NJU6052
White LED Driver with Automatic Dimming Control
!
GENERAL DESCRIPTION
The
NJU6052
is a white LED driver with an automatic
dimming control. It contains an output driver, a PWM
controller, a luminance sensor control (power supply for
sensor & A/D converter), a step-up DC/DC converter, a serial
interface, etc.
The output driver ensures a 60mA maximum capability
which allows the connection of 12 white LEDs (4 series x 3
parallels). Depending on the ambient light sensed with an
external luminance sensor, the PWM controller controls
PWM duty in 8 steps preselected out of 64 steps. In addition,
the frequency of the DC/DC converter is high so that it
permits the use of small, low-profile inductors and capacitors
to minimize the footprint in space-conscious applications.
All of these benefits make the
NJU6052
suitable for the
battery-powered portable applications such as a cellular
phone, a camcorder, PDA, etc.
!
FEATURES
#
Drives up to 12 white LEDs (4 series x 3 parallels)
V
SW
= 18.0V(Max.), I
OUT
= 60mA
#
Built-in PWM Dimming Control
(Selectable 8 out of 64 steps)
#
Built-in Luminance Sensor Control (Power Supply for Sensor & A/D converter)
(No MPU-access required after initial setting)
#
Built-in Temperature Compensation Circuit to Suppress the Characteristic Degradation of LEDs
#
Uses Small Inductor and Capacitors
#
1.8V to 3.6V Operating Voltage for Logic Circuits (V
DDL
)
#
3.0V to 5.5V Operating Voltage for Step-up Circuits (V
DD
)
#
CMOS Technology
#
Package
: QFN28 / SSOP20
PRELIMINARY
!
PACKAGE OUTLINE
NJU6052KN1
NJU6052V
相關PDF資料 |
PDF描述 |
|---|---|
| NJU6052 | White LED Driver with Automatic Dimming Control |
| NJU6052KN1 | White LED Driver with Automatic Dimming Control |
| NJU6060 | Full Color LED Controller Driver with PWM Control |
| NJU6060V | Full Color LED Controller Driver with PWM Control |
| NJU6061 | Full Color LED Controller Driver with PWM Control |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| NJU6052V-TE1 | 功能描述:LED照明驅(qū)動器 White LED RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
| NJU6053KM1 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC White LED RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| NJU6060 | 制造商:NJRC 制造商全稱:New Japan Radio 功能描述:Full Color LED Controller Driver with PWM Control |
| NJU6060V | 制造商:New Japan Radio Co Ltd (NJR/JRC) 功能描述:LED DRVR 2.5V/3.3V/5V 10-Pin SSOP Tape & Reel 制造商:New Japan Radio 功能描述:LED DRVR 2.5V/3.3V/5V 10-Pin SSOP |
| NJU6060V-TE1 | 功能描述:LED照明驅(qū)動器 Full Color LED Drvr RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:SO-16N |
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