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参数资料
| 型号： | MAX1524 |
| 厂商： | Maxim Integrated Products, Inc. |
| 英文描述： | Simple SOT23 Boost Controllers |
| 中文描述： | 简单的SOT23封装boost控制器 |
| 文件页数： | 1/14页 |
| 文件大小： | 194K |
| 代理商： | MAX1524 |
General Desc ription
The MAX1522/MAX1523/MAX1524 are simple, compact
boost controllers designed for a wide range of DC-DC
conversion topologies, including step-up, SEPIC, and
flyback applications. They are for applications where
extremely low cost and small size are top priorities.
These devices are designed specifically to provide a
simple application circuit and minimize the size and
number of external components, making them ideal for
PDAs, digital cameras, and other low-cost consumer
electronics applications.
These devices use a unique fixed on-time, minimum off-
time architecture, which provides excellent efficiency
over a wide-range of input/output voltage combinations
and load currents. The fixed on-time is pin selectable to
either 0.5μs (50% max duty cycle) or 3μs (85% max
duty cycle), permitting optimization of external compo-
nent size and ease of design for a wide range of output
voltages.
The MAX1522/MAX1523 operate from a +2.5V to +5.5V
input voltage range and are capable of generating a
wide range of outputs. The MAX1524 is intended for
bootstrapped operation, permitting startup with lower
input voltage. All devices have internal soft-start and
short-circuit protection to prevent excessive switching
current during startup and under output fault condi-
tions. The MAX1522/MAX1524 have a latched fault
mode, which shuts down the controller when a short-
circuit event occurs, whereas the MAX1523 reenters
soft-start mode during output fault conditions. The
MAX1522/MAX1523/MAX1524 are available in a space-
saving 6-pin SOT23 package.
________________________Applic ations
Low-Cost, High-Current,
or High-Voltage Boost
Conversion
LCD Bias Supplies
Industrial +24V and +28V
Power Supplies
____________________________Features
o
Simple, Flexible Application Circuit
o
2-Cell NiMH or Alkaline Operation (MAX1524)
o
Low Quiescent Current (25μA typ)
o
Output Fault Protection and Soft-Start
o
High Efficiency Over 1000:1 I
OUT
Range
o
Pin-Selectable Maximum Duty Factor
o
Micropower Shutdown Mode
o
Small 6-Pin SOT23 Package
o
No Current-Sense Resistor
M
S imple S OT 23 Boost Controllers
________________________________________________________________
Maxim Integrated Products
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
__________Typic al Operating Circ uit
19-1926; Rev 0; 2/01
EVALUATION KIT
AVAILABLE
PART
TEMP. RANGE
PIN-
PACKAGE
TOP
MARK
MAX1522
EUT-T
MAX1523
EUT-T
MAX1524
EUT-T
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
6 SOT23-6
6 SOT23-6
6 SOT23-6
AAOX
AAOY
AAOZ
Ordering Information
Pin Configurations
FB
SHDN
SET
1
6
V
CC
5
EXT
GND
MAX1522
MAX1523
MAX1524
SOT23-6
TOP VIEW
2
3
4
MAX1522
MAX1523
MAX1524
INPUT
OFF ON
6
3
4
5
2
1
V
CC
EXT
SET
FB
SHDN
GND
OUTPUT
V
CC
50% 85%
N
Low-Cost, Multi-Output
Flyback Converters
SEPIC Converters
Low-Cost Battery-
Powered Applications
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1535A | Highly Integrated Level 2 SMBus Battery Charger |
| MAX1535AETJ | Highly Integrated Level 2 SMBus Battery Charger |
| MAX1535B | MAX1535B Evaluation Kit/MAX1535B Evaluation System |
| MAX1535BEVSYS | MAX1535B Evaluation Kit/MAX1535B Evaluation System |
| MAX1535BEVKIT | MAX1535B Evaluation Kit/MAX1535B Evaluation System |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1524EUT | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:SIMPLE SOT23 BOOST CONTROLLER - Cut Tape Product |
| MAX1524EUT+ | 制造商:Maxim Integrated Products 功能描述:DC DC CNTRLR SGL-OUT STEP UP 1.5V TO 5.5V 6PIN SOT-23 - Cut Tape Product |
| MAX1524EUT+T | 功能描述:DC/DC 开关控制器 Boost Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1524EUT-T | 功能描述:DC/DC 开关控制器 Boost Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX1526ETM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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