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MAX764MJA PDF预览

MAX764MJA

更新时间: 2024-01-10 06:48:10
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
12页 134K
描述
-5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ DC-DC Inverters

MAX764MJA 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, DIP8,.3针数:8
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.2
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE FREQUENCY MODULATION最大输入电压:16 V
最小输入电压:3.5 VJESD-30 代码:R-GDIP-T8
JESD-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:1.5 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:DIP8,.3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):0.12 mA
表面贴装:NO切换器配置:BUCK-BOOST
最大切换频率:300 kHz技术:BICMOS
温度等级:MILITARY端子面层:TIN LEAD
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 mmBase Number Matches:1

MAX764MJA 数据手册

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19-0176; Rev 0; 6/94  
-5 V/-1 2 V/-1 5 V o r Ad ju s t a b le ,  
Hig h -Effic ie n c y, Lo w I DC-DC In ve rt e rs  
Q
45/MAX76  
_______________Ge n e ra l De s c rip t io n  
____________________________Fe a t u re s  
High Efficiency for a Wide Range of Load Currents  
250mA Output Current  
The MAX764/MAX765/MAX766 inverting switching regu-  
lators are highly efficient over a wide range of load cur-  
rents, delivering up to 1.5W. A unique, current-limited,  
pulse-frequency-modulated (PFM) control scheme com-  
bines the benefits of traditional PFM converters with the  
benefits of pulse-width-modulated (PWM) converters.  
Like PWM converters, the MAX764/MAX765/MAX766 are  
highly efficient at heavy loads. Yet because they are PFM  
devices, they use less than 120µA of supply current (vs.  
2mA to 10mA for a PWM device).  
120µA Max Supply Current  
5µA Max Shutdown Current  
3V to 16V Input Voltage Range  
-5V (MAX764), -12V (MAX765), -15V (MAX766),  
or Adjustable Output from -1V to -16V  
The input voltage range is 3V to 16V. The output volt-  
age is preset at -5V (MAX764), -12V (MAX765), or -15V  
(MAX766); it can also be adjusted from -1V to -16V  
using two external resistors (Dual ModeTM). The maxi-  
Current-Limited PFM Control Scheme  
300kHz Switching Frequency  
Internal, P-Channel Power MOSFET  
mum operating V - V  
differential is 20V.  
IN  
OUT  
These devices use miniature external components; their  
high switching frequencies (up to 300kHz) allow for less  
than 5mm diameter surface-mount magnetics. A stan-  
dard 47µH inductor is ideal for most applications, so no  
magnetics design is necessary.  
______________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  
MAX764CPA  
MAX764CSA  
MAX764C/D  
MAX764EPA  
MAX764ESA  
MAX764MJA  
MAX765CPA  
MAX765CSA  
MAX765C/D  
MAX765EPA  
MAX765ESA  
MAX765MJA  
0°C to +70°C  
0°C to +70°C  
Dice*  
An internal power MOSFET makes the MAX764/MAX765/  
MAX766 ideal for minimum component count, low- and  
medium-power applications. For increased output drive  
c a p a b ility or hig he r outp ut volta g e s , us e the  
MAX774/MAX775/MAX776 or MAX1774, which drive an  
external power P-channel MOSFET for loads up to 5W.  
-40°C to +85°C  
-40°C to +85°C  
-55°C to +125°C  
0°C to +70°C  
8 Plastic DIP  
8 SO  
8 CERDIP**  
8 Plastic DIP  
8 SO  
0°C to +70°C  
________________________Ap p lic a t io n s  
LCD-Bias Generators  
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  
Portable Instruments  
LAN Adapters  
8 CERDIP**  
Remote Data-Acquisition Systems  
Battery-Powered Applications  
Ordering Information continued on last page.  
* Dice are tested at T = +25°C, DC parameters only.  
A
**Contact factory for availability and processing to MIL-STD-883.  
__________________P in Co n fig u ra t io n  
__________Typ ic a l Op e ra t in g Circ u it  
INPUT  
3V TO 15V  
TOP VIEW  
V+  
OUTPUT  
-5V  
LX  
OUT  
FB  
LX  
1
2
3
4
8
7
6
5
MAX764  
47µH  
V+  
MAX764  
MAX765  
MAX766  
SHDN  
ON/OFF  
SHDN  
REF  
V+  
GND  
OUT  
REF  
FB  
DIP/SO  
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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