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| 型号： | MAX1524EUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/14页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST FLYBK SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| PWM 型： | 电压模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 90% |
| 电源电压： | 1.5 V ~ 5.5 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-6 |
| 包装： | 带卷 (TR) |
19-1926; Rev 1; 8/10
ATION
ILABLE
EVALU
AVA
KIT
Simple SOT23 Boost Controllers
General Description
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
____________________________Features
o Simple, Flexible Application Circuit
o 2-Cell NiMH or Alkaline Operation (MAX1524)
o Low Quiescent Current (25 μ A 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
Ordering Information
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-
PART
MAX1522 EUT-T
MAX1523 EUT-T
MAX1524 EUT-T
MAX1522 EUT+T
MAX1523 EUT+T
TEMP. RANGE
-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
PIN-
PACKAGE
6 SOT23
6 SOT23
6 SOT23
6 SOT23
6 SOT23
TOP
MARK
AAOX
AAOY
AAOZ
+AAOX
+AAOY
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.
MAX1524 EUT+T -40 ° C to +85 ° C 6 SOT23
+Denotes a lead(Pb)-free/RoHS-compliant package.
-Denotes a package containing lead(Pb).
T = Tape and reel.
+AAOZ
________________________Applications
__________Typical Operating Circuit
Low-Cost, High-Current,
Low-Cost, Multi-Output
or High-Voltage Boost
Conversion
Flyback Converters
SEPIC Converters
INPUT
LCD Bias Supplies
Industrial +24V and +28V
Power Supplies
Low-Cost Battery-
Powered Applications
OUTPUT
Pin Configuration
V CC
6 V
CC
EXT
5
N
TOP VIEW
GND 1
FB 2
MAX1522
MAX1523
MAX1524
6
5
V CC
EXT
50% 85%
OFF ON
3
4
MAX1522
SET MAX1523
MAX1524
SHDN
FB
GND
2
1
SET 3
SOT23
4
SHDN
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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相关代理商/技术参数 |
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|---|---|
| MAX1526ETM | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1526ETM+ | 制造商:Maxim Integrated Products 功能描述:HIGHLY INTEGRATED LINEAR BATTERY CHARGER - Rail/Tube |
| MAX1526ETM+G104 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1526ETM+T | 制造商:Maxim Integrated Products 功能描述:HIGHLY INTEGRATED LINEAR BATTERY CHARGER - Tape and Reel |
| MAX1526ETM-G104 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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