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MAX6769TASD3/V+T

更新时间： 2024-11-20 14:43:23
品牌 Logo 应用领域
美信 - MAXIM /
页数 文件大小 规格书
22页 286K
描述
Power Supply Support Circuit

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中文翻译

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MAX6769TASD3/V+T 技术参数

是否Rohs认证：符合生命周期：Active
包装说明：,Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.64Is Samacsys：N
模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT峰值回流温度（摄氏度）：NOT SPECIFIED
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

MAX6769TASD3/V+T 数据手册

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EVALUATION KIT AVAILABLE  
MAX6765–MAX6774  
Automotive Micropower Linear Regulators  
with Supervisor  
General Description  
Features  
o Low 31µA Quiescent Current  
o 4V to 72V Wide Input Voltage Range  
o 100mA Output Current Capability  
The MAX6765–MAX6774B are low-quiescent-current,  
high-voltage linear regulators that operate from 4V to 72V  
and deliver up to 100mA of load current. These low-  
power devices consume only 31µA of quiescent current,  
making them ideal for always-on automotive modules.  
These devices are offered with fixed standard output  
options of 5.0V, 3.3V, 2.5V, and 1.8V, or can be adjusted  
from 1.8V to 11V with two external resistors.  
o Dropout Voltage of 620mV with 5V Output  
at 100mA  
o Fixed Output-Voltage Options: 5V, 3.3V, 2.5V,  
and 1.8V  
o Watchdog Timer Option (1.6s (MAX6773/  
MAX6774) and 50ms (MAX6773B/MAX6774B))  
The MAX6765–MAX6774B feature a push-pull or open-  
drain, active-low RESET output with either fixed or  
adjustable thresholds. Whenever the regulator’s output  
falls below the reset threshold, the RESET output asserts  
and remains asserted for at least the minimum reset  
timeout period after the output voltage exceeds its  
threshold. The minimum reset timeout period is offered  
with fixed values from 75µs to 200ms or can be adjusted  
externally with a small capacitor.  
o Adjustable Output Voltages from 1.8V to 11V  
o Open-Drain or Push-Pull RESET Output  
o Fixed or Capacitor-Adjustable Reset Timeouts  
o Small, Thermally Enhanced 1.9W, 3mm x 3mm  
TDFN Package  
o Overtemperature and Short-Circuit Protection  
o Fully Specified from -40°C to +125°C  
Ordering Information  
These devices provide three regulator enable modes to  
accommodate several power-on schemes. The  
MAX6765/MAX6766/MAX6769/MAX6770/MAX6773/  
MAX6773B/MAX6774/MAX6774B feature a single tradi-  
tional enable input (ENABLE) to turn on and off the regula-  
tor. The MAX6771/MAX6772 provide dual enable inputs  
(ENABLE1 and ENABLE2) to turn on and off the regulator  
either through an ignition switch or a bus transceiver. The  
MAX6767/MAX6768 provide a hold input (HOLD) in addi-  
tion to the enable input to allow for the implementation of a  
self-holding circuit without requiring external components.  
Setting HOLD low after enabling the regulator forces the  
regulator to remain on even if ENABLE is subsequently  
set low. Releasing HOLD shuts down the regulator.  
TEMP  
PIN-  
PART  
RANGE  
PACKAGE  
MAX6765TT_D_+  
MAX6765TT_D_/V+  
-40°C to +125°C  
-40°C to +125°C  
6 TDFN-EP*  
6 TDFN-EP*  
Ordering Information continued at end of data sheet.  
The first “_” is a placeholder for the voltage output and reset  
threshold. The 2nd “_” designates the fixed reset-timeout option.  
See Tables 1 and 2 for details. For example, the MAX6765TTLD4  
has a 5V output, a reset threshold of 4.65V, and a 200ms typical  
reset timeout.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
/V denotes an automotive qualified part.  
*EP = Exposed pad.  
For tape-and-reel orders add a “T” after the “+” symbol to com-  
plete the part number. Tape-and-reel orders are available in  
2.5k increments. Nonstandard versions require a 10k minimum  
order quantity.  
The MAX6773/MAX6773B/MAX6774/MAX6774B also  
include a watchdog input that monitors a pulse train from  
the microprocessor (µP) and generates a reset pulse if  
the watchdog input remains high or low for a duration  
longer than the 1.6s (typ) (MAX6773/MAX6774) or 50ms  
(typ) (MAX6773B/MAX6774B) watchdog timeout period.  
Pin Configurations  
TOP VIEW  
The MAX6765–MAX6774B are available in a small, ther-  
mally enhanced 3mm x 3mm TDFN package that can  
dissipate up to 1.951W, thereby supporting continuous  
regulator operation during high ambient temperatures,  
high battery voltage, and high load-current conditions.  
6
5
4
MAX6765  
MAX6766  
The MAX6765–MAX6774B are fully specified for a -40°C  
to +125°C operating temperature range.  
Applications  
EP  
+
Automotive  
Industrial  
1
2
3
Telecom  
TDFN  
Typical Application Circuit and Selector Guide appear at  
end of data sheet.  
Pin Configurations continued at end of data sheet.  
For pricing, delivery, and ordering information, please contact Maxim Direct  
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.  
19-0657; Rev 8; 4/13  
1234567...22

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