- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄375374 > AT9933DB1 (Supertex, Inc.) High Bright LED Driver IC Meeting Automotive Requirements PDF資料下載
參數(shù)資料
| 型號： | AT9933DB1 |
| 廠商： | Supertex, Inc. |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | High Bright LED Driver IC Meeting Automotive Requirements |
| 中文描述： | 高亮度LED驅(qū)動IC滿足汽車需求 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 1272K |
| 代理商： | AT9933DB1 |
AT9933DB1
General Description
The AT9933DB1 is an LED driver capable of driving up
to 7 1-watt LEDs in series from an automotive input of
9 - 16V DC. The demo board uses Supertex’s AT9933
in a boost-buck topology. The converter operates at
frequencies in excess of 300kHz and has excellent output
current regulation over the input voltage range. It can also
withstand transients up to 42V and operate down to 6V
input. The converter is also protected against open LED
and output short circuit conditions. Protection against
reverse polarity up to 20V is also included.
Board Layout
High Bright LED Driver IC
Meeting Automotive Requirements
Specifications
Parameter
Input voltage (steady state):
Input voltage (transient):
Output LED string voltage:
Output current:
Output current ripple:
Value
9.0VDC - 16VDC
42VDC
28V max
350mA +/-5%
5% typical
Switching frequency:
300kHz (9.0V input)
430kHz (13.5V input)
500kHz (16.0V input)
Efficiency:
80% (at 13.5V input)
Included; clamps
output voltage at 33V
Included; limits current
Open LED protection:
Output short circuit protection:
at 350mA
-20V max
Reverse polarity protection:
Input current limit:
PWM dimming frequency:
1.9A
Up to 1.0kHz
Meets SAE J1113
conducted EMI
standards
Conducted EMI:
Connections:
Input:
The input is connected between the terminals of connector
J1 as shown in the Connection Diagram.
Output:
The output is connected between the terminals of connector
J2 as shown.
Enable/PWM Dimming:
To just enable the board, short pins 1 and 2 of connector J3
as shown. For PWM dimming, connect the external push-pull
square wave source between terminals 1 and 3 of connector
J3 as shown by the dotted lines.
Note:
During PWM dimming, pin 2 of connector J3 should
be left open. Also, the PWM signal must have the proper
polarity with the positive connected to pin 1 of J3. Note that
pin 3 of J3 is internally connected to the return path of the
input voltage
Actual Size: 2.25” x 1.25”
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT9933 | Hysteretic Boost-Buck (cuk) LED Driver IC |
| ATA00501D1C | AGC TRANSIMPEDANCE AMPLIFIER |
| ATA00501S2C | AGC TRANSIMPEDANCE AMPLIFIER |
| ATA01501D1C | AGC TRANSIMPEDANCE AMPLIFIER |
| ATA01501S2C | AGC TRANSIMPEDANCE AMPLIFIER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT9933LG | 制造商:Supertex Inc 功能描述: |
| AT9933LG-G | 功能描述:LED照明驅(qū)動器 HYSTERIC BOOST BUCK LED DRIVER IC 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(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N |
| AT9946 | 功能描述:開關(guān)配件 Accessory BatteryBox RoHS:否 制造商:C&K Components 類型:Cap 用于:Pushbutton Switches 設(shè)計目的: |
| AT-9946-091B | 制造商:Nihon Dempa Kogyo Co (NDK) 功能描述:Push button switch |
| AT9946-091B | 功能描述:SMARTSWITCH EVAL KIT OLED PB RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:SmartSwitch™ 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。