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MAX17499AAUB+ PDF预览

MAX17499AAUB+

更新时间： 2024-11-14 11:18:19
品牌 Logo 应用领域
美信 - MAXIM 开关控制器
页数 文件大小 规格书
18页 247K
描述
Current-Mode PWM Controllers with Programmable Switching Frequency

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中文翻译

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MAX17499AAUB+ 技术参数

是否Rohs认证： 符合生命周期：Active
零件包装代码：SOIC包装说明：TSSOP, TSSOP10,.19,20
针数：10Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.31.00.01
Factory Lead Time：6 weeks风险等级：1.69
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
JESD-30 代码：R-PDSO-G10湿度敏感等级：1
端子数量：10最高工作温度：125 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP10,.19,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
子类别：Switching Regulator or Controllers表面贴装：YES
最大切换频率：625 kHz技术：BICMOS
温度等级：AUTOMOTIVE端子形式：GULL WING
端子节距：0.5 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED

MAX17499AAUB+ 数据手册

 浏览型号MAX17499AAUB+的Datasheet PDF文件第2页浏览型号MAX17499AAUB+的Datasheet PDF文件第3页浏览型号MAX17499AAUB+的Datasheet PDF文件第4页浏览型号MAX17499AAUB+的Datasheet PDF文件第5页浏览型号MAX17499AAUB+的Datasheet PDF文件第6页浏览型号MAX17499AAUB+的Datasheet PDF文件第7页 
19-5485; Rev 1; 7/11  
Current-Mode PWM Controllers with  
Programmable Switching Frequency  
49/MAX1750  
General Description  
Features  
The MAX17499/MAX17500 current-mode PWM con-  
trollers contain all the control circuitry required for the  
design of wide-input-voltage isolated and nonisolated  
power supplies. The MAX17499 is well suited for low  
input voltage (9.5V DC to 24V DC) power supplies. The  
MAX17500 is well suited for universal input (rectified  
85V AC to 265V AC) or telecom (-36V DC to -72V DC)  
power supplies.  
o Current-Mode Control  
o Programmable Switching Frequency Up to 625kHz  
o Accurate UVLO Threshold (1%)  
o Open-Drain UVLO Flag Output with Internal Delay  
o 36V to 72V Telecom Voltage Range  
o Universal Offline Input Voltage Range  
Rectified 85V AC to 265V AC (MAX17500)  
The ICs contain an internal error amplifier that regulates  
the tertiary winding output voltage that is used in prima-  
ry-side-regulated isolated power supplies. Primary-side  
regulation eliminates the need for an optocoupler. An  
input undervoltage lockout (UVLO) is provided for pro-  
gramming the input-supply start voltage and to ensure  
proper operation during brownout conditions. An open-  
drain UVLO flag output, with 210μs internal delay,  
allows the sequencing of a secondary-side controller.  
The input-supply start voltage is externally programma-  
ble with a voltage-divider. A UVLO/EN input is used to  
shut down the devices. Internal digital soft-start elimi-  
nates output voltage overshoot.  
o 9.5V to 24V Input (MAX17499)  
o Digital Soft-Start  
o Internal Bootstrap UVLO with Large Hysteresis  
(MAX17500)  
o Internal Error Amplifier with 1.5% Accurate  
Reference  
o 50µA (typ) Startup Supply Current  
o 50% Maximum Duty-Cycle Limit  
(MAX17499A/MAX17500A)  
o 75% Maximum Duty-Cycle Limit  
(MAX17499B/MAX17500B)  
The MAX17500 has an internal bootstrap UVLO with  
large hysteresis that requires a minimum 23.6V for start-  
up. The MAX17499 does not have the internal bootstrap  
UVLO and can be biased directly from a minimum volt-  
age of 9.5V.  
o 60ns Cycle-by-Cycle Current-Limit Propagation  
Delay  
o Available in Tiny 10-Pin µMAX Packages  
Applications  
The switching frequency for the ICs is programmable  
with an external resistor. The MAX17499A/MAX17500A  
provide a 50% maximum duty-cycle limit, while the  
MAX17499B/MAX17500B provide a 75% maximum  
duty-cycle limit. These devices are available in 10-pin  
μMAX® packages and are rated for operation over the  
-40°C to +125°C temperature range.  
1/2, 1/4, and 1/8 Brick Power Modules  
High-Efficiency, Isolated Telecom Power  
Supplies  
Networking/Servers  
Isolated Keep-Alive Power Supplies  
12V Boost and SEPIC Regulators  
Isolated and Nonisolated High-Brightness LED  
Power Supplies  
Selector Guide appears at end of data sheet.  
μMAX is a registered trademark of Maxim Integrated Products, Inc.  
Industrial Power Conversion  
Ordering Information  
PART  
D
(%)  
STARTUP VOLTAGE (V)  
TEMP RANGE  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
-40°C to +125°C  
PIN-PACKAGE  
10 μMAX  
MAX  
MAX17499AAUB+  
MAX17499BAUB+  
MAX17500AAUB+  
MAX17500BAUB+  
50  
9.5  
9.5  
22  
75  
50  
75  
10 μMAX  
10 μMAX  
22  
10 μMAX  
Warning: The ICs are designed to work with high voltages. Exercise caution.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
________________________________________________________________ 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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中文翻译

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MAX17499AAUB+ 替代型号

型号 品牌 替代类型 描述 数据表
MAX17499BAUB+ MAXIM

完全替代

 Current-Mode PWM Controllers with Programmable Switching Frequency
MAX17500AAUB+ MAXIM

类似代替

 Current-Mode PWM Controllers with Programmable Switching Frequency
MAX17500BAUB+ MAXIM

类似代替

 Current-Mode PWM Controllers with Programmable Switching Frequency

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