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參數(shù)資料
| 型號(hào)： | MAX6771 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Automotive Micropower Linear Regulators with Supervisor |
| 中文描述： | 用于汽車電子的微功耗線性穩(wěn)壓器，帶有監(jiān)控電路 |
| 文件頁(yè)數(shù)： | 1/23頁(yè) |
| 文件大小： | 321K |
| 代理商： | MAX6771 |
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General Description
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.
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.
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.
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.
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.
Applications
Automotive
Industrial
Telecom
Features
Low 31
μ
A 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
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
M
Automotive Micropower Linear Regulators
with Supervisor
________________________________________________________________
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.
1
1
+
2
3
6
5
4
E
G
I
R
T
O
MAX6765
MAX6766
TDFN
TOP VIEW
PART
TEMP
RANGE
PIN-
PACKAGE
PKG
CODE
MAX6765
TT_D_+*
MAX6766
TT_D_+*
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 lead-free package.
*
Future product—contact factory for availability.
**
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.
-40°C to +125°C
-40°C to +125°C
6 TDFN-EP**
6 TDFN-EP**
T633-2
T633-2
Pin Configurations
19-0657; Rev 0; 10/06
Typical Application Circuit and Selector Guide appear at
end of data sheet.
Pin Configurations continued at end of data sheet.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6771TALD2T | Automotive Micropower Linear Regulators with Supervisor |
| MAX6771TASD2T | Automotive Micropower Linear Regulators with Supervisor |
| MAX6772 | Automotive Micropower Linear Regulators with Supervisor |
| MAX6772TALD2T | Automotive Micropower Linear Regulators with Supervisor |
| MAX6772TASD2T | Automotive Micropower Linear Regulators with Supervisor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6771TALD0+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 1.8V TO 11V/5V 0.1A 8TDFN EP - Rail/Tube |
| MAX6771TALD0+T | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) uPower Linear Regulator RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6771TALD1+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 1.8V TO 11V/5V 0.1A 8TDFN EP - Rail/Tube |
| MAX6771TALD1+T | 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) uPower Linear Regulator RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MAX6771TALD2+ | 制造商:Maxim Integrated Products 功能描述:REG STD LIN ADJ/FIX POS 1.8V TO 11V/5V 0.1A 8TDFN EP - Rail/Tube |
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