參數(shù)資料
型號(hào)： MAX6769
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)： 9/23頁(yè)
文件大?。?/td> 309K
代理商： MAX6769
M
Automotive Micropower Linear Regulators
with Supervisor
_______________________________________________________________________________________
9
Pin Description (continued)
PIN
MAX6765/
MAX6766
MAX6767/
MAX6768
MAX6769/
MAX6770
MAX6771/
MAX6772
MAX6773/
MAX6773B/
MAX6774/
MAX6774B
NAME
FUNCTION
—
4
—
—
—
HOLD
Active-Low Regulator Hold Input. When
HOLD
is
forced low, OUT remains on even if ENABLE is pulled
low. To shut down the regulator, release
HOLD
after
ENABLE is pulled low. Connect
HOLD
to OUT or
leave unconnected if unused.
HOLD
is internally
connected to OUT through a 1.8μA current source.
—
6
6
6
6
SET
Feedback Input for Setting the Output Voltage.
Connect SET to GND to select the preset output
voltage. Connect to an external resistive divider for
adjustable output operation.
—
—
4
—
—
RESETIN
Adjustable Reset Threshold Input. Connect to a
resistive divider to set the desired threshold.
—
—
—
3
—
ENABLE1
Active-High Enable Input 1. Drive ENABLE1 high to
turn on the regulator. ENABLE1 is internally
connected to ground through a 0.6μA current sink.
—
—
—
4
—
ENABLE2
Active-High Enable Input 2. Drive ENABLE2 high to
turn on the regulator. ENABLE2 is internally
connected to ground through a 0.6μA current sink.
Watchdog Timer Input. If WDI remains high or low for
longer than the watchdog timeout period, the
internal watchdog timer expires and the reset output
asserts for the reset timeout period. The internal
watchdog timer clears whenever a reset is asserted
or WDI sees a rising or falling edge. The watchdog
timer cannot be disabled. Do not leave WDI
unconnected.
Exposed Paddle. EP is internally connected to GND.
Connect EP to the ground plane to provide a low
thermal-resistance path from the IC junction to the
PCB. Do not use as the electrical connection to GND.
—
—
—
—
4
WDI
EP
EP
EP
EP
EP
—
Detailed Description
The MAX6765–MAX6774B low-quiescent-current, high-
voltage linear regulators operate from a 4V to 72V input
voltage and deliver more than 100mA of load current.
The MAX6765–MAX6774B include an integrated μP
reset circuit that monitors the regulator output voltage
and asserts a reset output when OUT falls below a
threshold limit, and includes an internally fixed or
adjustable reset timeout using a capacitor from TIME-
OUT to ground. All devices are available in a preset out-
put-voltage option of +1.8V, +2.5V, +3.3V, and +5V. The
output voltage of the MAX6767–MAX6774B is adjustable
from +1.8V to +11V using a resistive divider at SET. The
MAX6773/MAX6774 include a watchdog timer (WDI)
with a 1.6s (typ) watchdog timeout period and the
MAX6773B/MAX6774B include a watchdog timer with a
50ms (typ) watchdog timeout period. The MAX6769/
MAX6770 feature an adjustable reset threshold using a
resistive divider between the monitored voltage,
RESETIN, and GND; see the
Functional Diagrams
.
The MAX6771/MAX6772 provide dual enable inputs
(ENABLE1 and ENABLE2) to turn on and off the regula-
tor either through an ignition switch or a bus transceiver.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX6769TALD0+ 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
MAX6769TALD0+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
MAX6769TALD1+ 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
MAX6769TALD1+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
MAX6769TALD2/V+T 功能描述:線性穩(wěn)壓器 - 標(biāo)準(zhǔn) Automotive uPower Linear Reg 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
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