參數(shù)資料
型號(hào)： MAX8571EUT-T
廠(chǎng)商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： High-Efficiency LCD Boost with True Shutdown
中文描述： 0.6 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, PDSO6
封裝： MO178AB, SOT-23, 6 PIN
文件頁(yè)數(shù)： 1/10頁(yè)
文件大?。?/td> 654K
代理商： MAX8571EUT-T
General Description
The MAX8570 family of LCD step-up converters uses
an internal n-channel switch and an internal p-channel
output isolation switch. These converters operate from
a 2.7V to 5.5V supply voltage and deliver up to 28V at
the output.
A unique control scheme provides the highest efficien-
cy over a wide range of load conditions. The internal
MOSFET switch reduces external component count and
a high switching frequency (up to 800kHz) allows for
tiny surface-mount components. Three current-limit
options are available. The MAX8570 and MAX8572 use
a 110mA current limit to reduce ripple and component
size in low-current applications. For high-power require-
ments, the MAX8574 and MAX8575 use a 500mA cur-
rent limit and supply up to 20mA at 20V. The MAX8571
and MAX8573 use a 250mA current limit for a compro-
mise between ripple and power. Built-in safety features
protect the internal switch and down-stream compo-
nents from fault conditions.
Additional features include a low quiescent current and
a True Shutdown
mode to save power. The MAX8570/
MAX8571/MAX8574 allow the user to set the output
voltage between 3V and 28V, and the MAX8572/
MAX8573/MAX8575 have a preset 15V output. These
step-up converters are ideal for small LCD panels with
low current requirements, but can also be used in other
applications. The MAX8571 evaluation kit is available to
help reduce design time.
Applications
LCD Bias Generators
Polymer LEDs (OLED)
Cellular or Cordless Phones
Palmtop Computers
Personal Digital Assistants (PDAs)
Organizers
Handy Terminals
Features
15V or Adjustable Output Voltage Up to 28V
Safety Features Protect Against Output Faults
20mA at 20V from a Single Li+ Battery
True Shutdown
87% Efficiency
Up to 800kHz Switching Frequency
Small 6-Pin SOT23 Package
M
High-Efficiency LCD Boost
with True Shutdown
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-3329; Rev 1; 10/04
EVALUATION KIT
AVAILABLE
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX8570
EUT-T
MAX8571
EUT-T
MAX8572
EUT-T
MAX8573
EUT-T
MAX8574
EUT-T
MAX8575
EUT-T
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
6 SOT23-6
ABTJ
ABTK
ABTL
ABTM
ABTN
ABTO
GND
LX
1
6
V
CC
5
SW
FB
MAX8570
MAX8571
MAX8574
SOT23-6
TOP VIEW
2
3
4
SHDN
GND
LX
1
6
V
CC
5
SW
OUT
MAX8572
MAX8573
MAX8575
SOT23-6
2
3
4
SHDN
Pin Configurations
PART
CURRENT LIMIT
110mA
250mA
110mA
250mA
500mA
500mA
OUTPUT VOLTAGE
Adjustable
Adjustable
15V
15V
Adjustable
15V
MAX8570
EUT
MAX8571
EUT
MAX8572
EUT
MAX8573
EUT
MAX8574
EUT
MAX8575
EUT
Selector Guide
True Shutdown is a trademark of Maxim Integrated Products,
Inc.
MAX8572
MAX8573
MAX8575
SW
V
CC
LX
OUT
GND
ON
OFF
V
CC
= 2.7V TO 5.5V
V
OUT
= V
CC
TO 28V
SHDN
Typical Operating Circuit
相關(guān)PDF資料
PDF描述
MAX8572 High-Efficiency LCD Boost with True Shutdown
MAX8572EUT High-Efficiency LCD Boost with True Shutdown
MAX8572EUT-T High-Efficiency LCD Boost with True Shutdown
MAX8573 High-Efficiency LCD Boost with True Shutdown
MAX8573EUT High-Efficiency LCD Boost with True Shutdown
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8571EVKIT 功能描述:LCD 驅(qū)動(dòng)器 Evaluation Kit for MAX8570 MAX8571 MAX8572 MAX8573 MAX8574 MAX8575 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX8572EUT 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY 15V LCD STEP-UP DC- - Rail/Tube
MAX8572EUT+ 制造商:Maxim Integrated Products 功能描述:LCD DRVR 2.7V TO 5.5V 6PIN SOT-23 - Rail/Tube
MAX8572EUT+T 功能描述:LCD 驅(qū)動(dòng)器 High-Efficiency LCD Boost RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX8572EUT-T 功能描述:LCD 驅(qū)動(dòng)器 High-Efficiency LCD Boost RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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