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參數(shù)資料
| 型號： | 17043-00TU |
| 廠商： | IXYS CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | White LED Step-Up Converter |
| 中文描述： | 2 A SWITCHING REGULATOR, 1300 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 202K |
| 代理商： | 17043-00TU |
Preliminary
IXYS
MX841
Drawing No. 17023
03/10/05
www.ixys.net
MX841
White LED Step-Up Converter
Features:
1.1V to 5.5V Input Range
2 Amp Peak Switch Current
High Efficiency > 80%
20V Maximum Output with Over-Voltage
Protection
LED Intensity Control
1.0 MHz Fixed Frequency Switching
8 Lead SOIC Package
Applications:
White LED Display Backlighting
-
Low Voltage: Mobile Phones, PDA’s,
MP3 Players, Digital Cameras
-
High Drive Current: Vehicle
Instrumentation Panels
Ordering Information
Part No.
Description
17000-00TU SOIC-8
Standard Tube
17000-00TR SOIC-8
Standard T&R
17043-00TU SOIC-8
Exposed Pad Tube
100
17043-00TR SOIC-8
Exposed Pad T&R
2500
Functional Block Diagram
Qty
100
2500
General Description
The MX841 is a fixed frequency, constant current
source step-up DC/DC converter. The output current
is directly regulated making the MX841 ideal for
driving series connected white light emitting diodes
(LED’s) in backlight applications. The MX841
powers up to 3 series white LED’s at 1.1V, and 20
series/parallel white LED’s at 5.0V.
The MX841 features a 1.0MHz switching frequency
to accommodate the use of small capacitors and a
small inductor necessary in size sensitive portable
applications. Light intensity and shutdown are
conveniently controlled by a single analog voltage.
Power efficiency and battery life are extended
through the use of a high voltage, low R
DSON
N-
channel MOSFET switch.
The MX841 is designed to operate over a
temperature range of -40°C to +85°C, and is
available in an SOIC-8 Package, with or without an
Exposed Pad in Tube or on Tape and Reel.
(Alternate package types available upon request).
Typical Application
MX841
CTRL
Vbattery
V
S
OVD
Isense
CTL/
SLEEP
Rsense
Vboost
Analog
GND
2
Switch
GND
3
S
1
4
5
6
8
7
osc
err amp/
comparato
r
sleep de
t
bias gen
VDD
drive
r
Isense
OVD
band gap
+
compar
e
Gnd
SW
SW
CTL/SLEEP
Analog
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參數(shù)描述 |
|---|---|
| 170430-1 | 功能描述:集管和線殼 EI PIN LP 170377-1 LP RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector |
| 170430-2 | 功能描述:集管和線殼 EI PIN LP RoHS:否 產(chǎn)品種類:1.0MM Rectangular Connectors 產(chǎn)品類型:Headers - Pin Strip 系列:DF50 觸點類型:Pin (Male) 節(jié)距:1 mm 位置/觸點數(shù)量:16 排數(shù):1 安裝風(fēng)格:SMD/SMT 安裝角:Right 端接類型:Solder 外殼材料:Liquid Crystal Polymer (LCP) 觸點材料:Brass 觸點電鍍:Gold 制造商:Hirose Connector |
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| 1704305 | 功能描述:固定接線端子 MCV 1,5/11-G-3,81 P26AUTHT6PA RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Fixed Terminal Blocks 類型:Wire to Board 節(jié)距:5.08 mm 位置/觸點數(shù)量:2 線規(guī)量程:26-16 電流額定值:13.5 A 電壓額定值:250 V 安裝風(fēng)格:Through Hole 安裝角:Straight 端接類型:Screw 觸點電鍍: |
| 1704306 | 功能描述:固定接線端子 FMC 1,5/11-ST-3,81 AU 6PA RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Fixed Terminal Blocks 類型:Wire to Board 節(jié)距:5.08 mm 位置/觸點數(shù)量:2 線規(guī)量程:26-16 電流額定值:13.5 A 電壓額定值:250 V 安裝風(fēng)格:Through Hole 安裝角:Straight 端接類型:Screw 觸點電鍍: |
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