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MAX770C/D PDF预览

MAX770C/D

更新时间: 2024-01-03 13:29:21
品牌 Logo 应用领域
美信 - MAXIM 控制器
页数 文件大小 规格书
20页 207K
描述
5V/12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Controllers

MAX770C/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:DIP
包装说明:DIP, SOP8,.25针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.15
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:2 V标称输入电压:5 V
JESD-30 代码:R-GDIP-T8JESD-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:125 °C
最低工作温度:-55 °C最大输出电流:1 A
标称输出电压:5 V封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):245认证状态:Not Qualified
座面最大高度:5.08 mm子类别:Switching Regulator or Controllers
最大供电电流 (Isup):0.11 mA表面贴装:NO
切换器配置:BOOST最大切换频率:300 kHz
技术:BICMOS温度等级:MILITARY
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

MAX770C/D 数据手册

 浏览型号MAX770C/D的Datasheet PDF文件第2页浏览型号MAX770C/D的Datasheet PDF文件第3页浏览型号MAX770C/D的Datasheet PDF文件第4页浏览型号MAX770C/D的Datasheet PDF文件第5页浏览型号MAX770C/D的Datasheet PDF文件第6页浏览型号MAX770C/D的Datasheet PDF文件第7页 
19-0202; Rev 2; 11/96  
5 V/1 2 V/1 5 V o r Ad ju s t a b le , High-Effic ie nc y,  
Low I , Ste p-Up DC-DC Controlle rs  
Q
0–MAX73  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
90% Efficiency for 10mA to 1A Load Currents  
Up to 15W Output Power  
The MAX770–MAX773 step-up switching controllers pro-  
vid e 90% e ffic ie nc y ove r a 10mA to 1A loa d . A  
unique current-limited pulse-frequency-modulation (PFM)  
control scheme gives these devices 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  
These ICs use tiny external components. Their high  
switching frequencies (up to 300kHz) allow surface-  
mount magnetics of 5mm height and 9mm diameter.  
(MAX770/MAX771/MAX772)  
Internal Shunt Regulator for High Input Voltages  
(MAX773)  
The MAX770/MAX771/MAX772 accept input voltages  
from 2V to 16.5V. Output voltages are preset at 5V,  
(MAX770), 12V (MAX771), and 15V (MAX772); they can  
also be adjusted using two resistors.  
Preset or Adjustable Output Voltages  
MAX770: 5V or Adjustable  
MAX771: 12V or Adjustable  
The MAX773 accepts inputs from 3V to 16.5V. For a wider  
input range, it features an internal shunt regulator that  
allows unlimited higher input voltages. The MAX773s out-  
put can be set to 5V, 12V, or 15V, or it can be adjusted  
with two resistors.  
MAX772: 15V or Adjustable  
MAX773: 5V, 12V, 15V, or Adjustable  
Current-Limited PFM Control Scheme  
300kHz Switching Frequency  
The MAX770–MAX773 drive external N-channel MOSFET  
switches, allowing them to power loads up to 15W. If less  
p owe r is re q uire d , us e the MAX756/MAX757 or  
MAX761/MAX762 step-up switching regulators with on-  
board MOSFETs.  
______________Ord e rin g In fo rm a t io n  
PART  
TEMP. RANGE  
0°C to +70°C  
PIN-PACKAGE  
Plastic DIP  
8 SO  
MAX770CPA  
MAX770CSA  
MAX770C/D  
MAX770EPA  
MAX770ESA  
MAX770MJA  
0°C to +70°C  
________________________Ap p lic a t io n s  
0°C to +70°C  
Dice*  
Palmtops/Handy-Terminals  
High-Efficiency DC-DC Converters  
Battery-Powered Applications  
Positive LCD-Bias Generators  
Portable Communicators  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
8 Plastic DIP  
8 SO  
8 CERDIP**  
Ordering Information continued at end of data sheet.  
*Contact factory for dice specifications.  
**Contact factory for availability and processing to MIL-STD-883B.  
Flash Memory Programmers  
_________________P in Co n fig u ra t io n s  
__________Typ ic a l Op e ra t in g Circ u it  
TOP VIEW  
INPUT  
2V TO V  
OUT  
1
2
3
4
8
7
6
5
EXT  
V+  
CS  
OUTPUT  
12V  
GND  
AGND  
MAX770  
MAX771  
MAX772  
N
EXT  
CS  
MAX771  
SHDN  
FB  
ON/OFF  
REF  
SHDN  
REF  
DIP/SO  
V+  
FB AGND GND  
Pin Configurations continued at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.  
For small orders, phone 408-737-7600 ext. 3468.  

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