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MAX1771C/D PDF预览

MAX1771C/D

更新时间: 2024-09-11 22:09:31
品牌 Logo 应用领域
美信 - MAXIM 开关信息通信管理控制器
页数 文件大小 规格书
16页 197K
描述
12V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controller

MAX1771C/D 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIE
包装说明:DIE-8针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.78
Is Samacsys:N模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE FREQUENCY MODULATION
最大输入电压:16.5 V最小输入电压:3 V
JESD-30 代码:R-XUUC-N8JESD-609代码:e0
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:标称输出电压:12 V
封装主体材料:UNSPECIFIED封装代码:DIE
封装形状:RECTANGULAR封装形式:UNCASED CHIP
峰值回流温度(摄氏度):240认证状态:Not Qualified
最大供电电流 (Isup):0.11 mA表面贴装:YES
切换器配置:SINGLE最大切换频率:300 kHz
技术:BICMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:NO LEAD
端子位置:UPPER处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

MAX1771C/D 数据手册

 浏览型号MAX1771C/D的Datasheet PDF文件第2页浏览型号MAX1771C/D的Datasheet PDF文件第3页浏览型号MAX1771C/D的Datasheet PDF文件第4页浏览型号MAX1771C/D的Datasheet PDF文件第5页浏览型号MAX1771C/D的Datasheet PDF文件第6页浏览型号MAX1771C/D的Datasheet PDF文件第7页 
19-0263; Rev 1; 7/95  
1 2 V o r Ad ju s t a b le , Hig h -Effic ie n c y,  
Lo w I , S t e p -Up DC-DC Co n t ro lle r  
Q
MAX71  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
90% Efficiency for 30mA to 2A Load Currents  
Up to 24W Output Power  
The MAX1771 step-up switching controller provides  
90% efficiency over a 30mA to 2A load. A unique cur-  
rent-limited pulse-frequency-modulation (PFM) control  
scheme gives this device the benefits of pulse-width-  
modulation (PWM) converters (high efficiency at heavy  
loads), while using less than 110µA of supply current (vs.  
2mA to 10mA for PWM converters).  
110µA Max Supply Current  
5µA Max Shutdown Current  
2V to 16.5V Input Range  
This controller uses miniature external components. Its  
high switching frequency (up to 300kHz) allows sur-  
face-mount magnetics of 5mm height and 9mm diame-  
ter. It accepts input voltages from 2V to 16.5V. The  
output voltage is preset at 12V, or can be adjusted  
using two resistors.  
Preset 12V or Adjustable Output Voltage  
Current-Limited PFM Control Scheme  
Up to 300kHz Switching Frequency  
Evaluation Kit Available  
The MAX1771 optimizes efficiency at low input voltages  
and reduces noise by using a single 100mV current-limit  
threshold under all load conditions. A family of similar  
devices, the MAX770–MAX773, trades some full-load  
efficiency for greater current-limit accuracy; they provide  
a 200mV current limit at full load, and switch to 100mV  
for light loads.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
8 Plastic DIP  
8 SO  
MAX1771CPA  
MAX1771CSA  
MAX1771C/D  
MAX1771EPA  
MAX1771ESA  
MAX1771MJA  
The MAX1771 drives an external N-channel MOSFET  
switch, allowing it to power loads up to 24W. If less power  
is required, use the MAX756/MAX757 or MAX761/MAX762  
step-up switching regulators with on-board MOSFETs.  
0°C to +70°C  
0°C to +70°C  
Dice*  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 Plastic DIP  
8 SO  
An evaluation kit is available. Order the MAX1771EVKIT-SO.  
8 CERDIP**  
________________________Ap p lic a t io n s  
Positive LCD-Bias Generators  
* Contact factory for dice specifications.  
** Contact factory for availability and processing to MIL-STD-883B.  
Flash Memory Programmers  
High-Power RF Power-Amplifier Supply  
Palmtops/Hand-Held Terminals  
Battery-Powered Applications  
__________________P in Co n fig u ra t io n  
Portable Communicators  
__________Typ ic a l Op e ra t in g Circ u it  
TOP VIEW  
INPUT  
2V TO V  
OUT  
OUTPUT  
12V  
1
2
3
4
8
7
6
5
EXT  
V+  
CS  
N
EXT  
CS  
MAX1771  
SHDN  
GND  
AGND  
MAX1771  
ON/OFF  
FB  
REF  
SHDN  
REF  
V+  
DIP/SO  
FB AGND GND  
________________________________________________________________ Maxim Integrated Products  
1
Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .  

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