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MAX8513EEI+

更新时间： 2024-09-15 20:06:07
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理开关光电二极管
页数 文件大小 规格书
35页 2026K
描述
Switching Controller, Voltage-mode, 1460kHz Switching Freq-Max, BICMOS, PDSO28, 0.150 INCH, 0.250 INCH PITCH, MO-137AF, QSOP-28

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MAX8513EEI+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：SSOP
包装说明：SSOP,针数：28
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：8.62
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：5.5 V
最小输入电压：4.5 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G28JESD-609代码：e3
长度：9.89 mm湿度敏感等级：1
功能数量：1端子数量：28
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.73 mm表面贴装：YES
切换器配置：PUSH-PULL最大切换频率：1460 kHz
技术：BICMOS温度等级：INDUSTRIAL
端子面层：TIN端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.9 mm
Base Number Matches：1

MAX8513EEI+ 数据手册

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EVALUATION KIT AVAILABLE  
MAX8513/MAX8514  
Wide-Input, High-Frequency Triple-Output Supplies  
with Voltage Monitor and Power-On Reset  
General Description  
Features  
● Low-Cost DC-DC Controller with Two LDOs  
The MAX8513/MAX8514 integrate a voltage-mode PWM  
step-down DC-DC controller and two LDO controllers, a  
voltage monitor, and a power-on reset for the lowest-cost  
power-supply and monitoring solution for xDSL modems,  
routers, gateways, and set-top boxes.  
● Wide Input Range: 4.5V to 28V  
● 300kHz to 1.4MHz Adjustable Switching Frequency  
● Low Noise for High Data-Rate xDSL Applications  
● Synchronizable to External Clock  
The DC-DC controller switching frequency can be set with  
an external resistor from 300kHz to 1.4MHz, to allow for  
the optimization of cost, size, and efficiency. For noise-  
sensitive applications, the DC-DC controller can also  
be synchronized to an external clock, minimizing noise  
interference. Operation above 1.1MHz reduces noise  
for high data-rate xDSL applications. An adjustable soft-  
start and adjustable foldback current limit provide reliable  
startup and fault protection. The DC-DC controller output  
voltage can be set externally to a voltage from 1.25V to  
5.5V. Current limiting is accomplished by inductor current  
sensing for improved efficiency, or by an external sense  
resistor for better accuracy.  
● Adjustable Soft-Start  
● Lossless Adjustable Foldback Current Limit  
● Power-On Reset with 140ms Delay  
● Adjustable Input Power-Fail Warning for Dying Gasp  
● Selectable Output-Voltage Sequencing or  
Output-Voltage Tracking  
Ordering Information  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +125°C  
PIN-PACKAGE  
28 QSOP  
MAX8513EEI  
MAX8514EEI  
MAX8514AEI  
28 QSOP  
The MAX8513/MAX8514s’ first LDO controller is designed  
to provide a low-cost, high-current regulated output from  
0.8V to 5.5V using an N-channel MOSFET or a low-  
current output using a low-cost NPN transistor. The  
MAX8513’s second regulator can be used to generate  
0.8V to 27V output with a low-cost PNP transistor. Both  
LDO regulators can operate either from the DC-DC con-  
troller output or from a higher voltage derived with a fly-  
back overwinding on the DC-DC converter inductor. The  
MAX8514’s second LDO regulator is designed to provide  
a negative output with an NPN transistor.  
28 QSOP  
Functional Diagram  
V
IN  
(4.5V TO 28V)  
MAX8513  
ON  
V
OFF  
OUT1  
STEP-  
DOWN  
(1.25V TO 5.5V)  
CONTROLLER  
SYNC  
A sequence input allows the outputs to either power up  
together, or for the DC-DC regulator to power up first and  
each LDO controller to power up in sequence. An input  
power-fail output (PFO) is provided for input power-fail  
warning, such as in dying-gasp applications. A power-on  
reset circuit with a 140ms delay is also included to indicate  
when all outputs have achieved regulation and stabilized.  
OUTPUT  
POWER-ON RESET  
LDO  
CONTROLLER 1  
V
OUT2  
(0.8V TO V  
)
OUT1  
Applications  
● xDSL, Cable, ISDN Modems, and Routers  
● Wireless Routers  
INPUT POWER-  
FAIL MONITOR  
LDO  
CONTROLLER 2  
V
OUT3  
● Set-Top Boxes  
(0.8V TO 27V)  
Pin Configurations appear at end of data sheet.  
19-3178; Rev 1; 4/14  
1234567...35

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MAX8513EEI+ 替代型号

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