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MAX6766TTTD3+T

产品描述linear voltage regulators upower linear regulator
产品类别半导体    其他集成电路(IC)   
文件大小302KB,共22页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
标准  
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MAX6766TTTD3+T概述

linear voltage regulators upower linear regulator

MAX6766TTTD3+T规格参数

参数名称属性值
ManufactureMaxim Integrated
产品种类
Product Category
Linear Voltage Regulators
RoHSYes
输出类型
Output Type
Fixed
Output Voltage3.3 V
Output Curre100 mA
Load Regulati1.5 %
Input Voltage MAX72 V
Line Regulati1 %
最大工作温度
Maximum Operating Temperature
+ 125 C
安装风格
Mounting Style
SMD/SMT
封装 / 箱体
Package / Case
TDFN-6
Input Voltage MIN72 V
最小工作温度
Minimum Operating Temperature
- 40 C
系列
Packaging
Reel
工厂包装数量
Factory Pack Quantity
2500

文档预览

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EVALUATION KIT AVAILABLE
MAX6765–MAX6774
Automotive Micropower Linear Regulators
with Supervisor
General Description
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.
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.
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.
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.
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.
The MAX6765–MAX6774B are fully specified for a -40°C
to +125°C operating temperature range.
o
o
o
o
o
o
o
o
o
o
o
o
Features
Low 31µA Quiescent Current
4V to 72V Wide Input Voltage Range
100mA Output Current Capability
Dropout Voltage of 620mV with 5V Output
at 100mA
Fixed Output-Voltage Options: 5V, 3.3V, 2.5V,
and 1.8V
Watchdog Timer Option (1.6s (MAX6773/
MAX6774) and 50ms (MAX6773B/MAX6774B))
Adjustable Output Voltages from 1.8V to 11V
Open-Drain or Push-Pull
RESET
Output
Fixed or Capacitor-Adjustable Reset Timeouts
Small, Thermally Enhanced 1.9W, 3mm x 3mm
TDFN Package
Overtemperature and Short-Circuit Protection
Fully Specified from -40°C to +125°C
Ordering Information
PART
MAX6765TT_D_+
MAX6765TT_D_/V+
TEMP
RANGE
-40°C to +125°C
-40°C to +125°C
PIN-
PACKAGE
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.
Pin Configurations
RESET
4
EP
1
IN
2
GND
3
ENABLE
OUT
TOP VIEW
6
MAX6765
MAX6766
Applications
Automotive
Industrial
Telecom
Typical Application Circuit and Selector Guide appear at
end of data sheet.
+
TDFN
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.
TIMEOUT
5
19-0657; Rev 8; 4/13
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