Datasheet > MAX6768TTLD0+

MAX6768TTLD0+

更新时间： 2024-11-19 05:03:59

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理
页数	文件大小	规格书
23页	300K
描述
Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEAD FREE, MO-229WEEC, TDFN-8

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MAX6768TTLD0+ 数据手册

19-0657; Rev 1; 1/07

Automotive Micropower Linear Regulators

with Supervisor

General Description

Features

♦ Low 31µA Quiescent Current

The MAX6765–MAX6774 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.

♦ 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

♦ Adjustable Output Voltages from 1.8V to 11V

♦ Open-Drain or Push-Pull RESET Output

♦ Fixed or Capacitor-Adjustable Reset Timeouts

The MAX6765–MAX6774 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.

♦ 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

These devices provide three regulator enable modes to

accommodate several power-on schemes. The

MAX6765/MAX6766/MAX6769/MAX6770/MAX6773/

MAX6774 feature a single traditional enable input

(ENABLE) to turn on and off the regulator. 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

RANGE

PIN-

PACKAGE

PKG

CODE

PART

MAX6765TT_D_+ -40°C to +125°C 6 TDFN-EP*

MAX6766TT_D_+ -40°C to +125°C 6 TDFN-EP*

Ordering Information continued at end of data sheet.

T633-2

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 lead-free package.

*EP = Exposed paddle.

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/MAX6774 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) watchdog timeout period.

Pin Configurations

TOP VIEW

The MAX6765–MAX6774 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–MAX6774 are fully specified for a -40°C to

+125°C operating temperature range.

MAX6765

MAX6766

Applications

Automotive

Industrial

Telecom

TDFN

Typical Application Circuit and Selector Guide appear at

end of data sheet.

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...23

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与MAX6768TTLD0+相关器件

型号	品牌	获取价格	描述	数据表
MAX6768TTLD0+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD1+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD1+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD2+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD2+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD3+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD3+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD4+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTLD4+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA
MAX6768TTMD0+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, 3 X 3 MM, 0.80 MM HIEGHT, LEA

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