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參數(shù)資料
| 型號(hào)： | MAX5023_ASA |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 65V, Low-Quiescent-Current, High-Voltage Linear Regulators with レP Reset and Watchdog Timer |
| 中文描述： | 65V的，低靜態(tài)電流，高電壓線(xiàn)性レP復(fù)位和看門(mén)狗定時(shí)器穩(wěn)壓器 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大小： | 371K |
| 代理商： | MAX5023_ASA |
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General Description
The MAX5023/MAX5024 high-voltage linear regulators
operate from a +6.5V to +65V input voltage and deliver
up to 150mA of output current. These devices consume
only 60μA of quiescent current with no load and with-
stand a -60V reverse-battery voltage at the input. The
MAX5023/MAX5024 include an active-low internal
microprocessor (μP) reset circuit that asserts when the
regulator output drops below the preset output voltage
threshold by 7.5% or 12.5%, depending on the device
selected. Both devices are available with a fixed +3.3V
or +5V output. These devices are short-
circuit protected and include thermal shutdown.
In addition to an enable input to turn on or off the regu-
lator, the MAX5023/MAX5024 include a
HOLD
input
that allows for the implementation of a self-holding
circuit without requiring external components. Setting
HOLD
low after enabling the regulator, forces the regu-
lator to remain on even if EN is subsequently set low.
Releasing
HOLD
shuts down the regulator.
The MAX5023 includes a watchdog input that monitors a
pulse train from the μP and generates reset pulses if the
watchdog input remains high or low for a duration longer
than the 1.6s watchdog timeout period. The MAX5024
includes a SET input which, when connected to ground,
selects a preset output voltage of +3.3V (MAX5024S/
MAX5024T) or +5V (MAX5024L/MAX5024M). Set the
adjustable output voltage by connecting SET to the regu-
lator’s output through a resistive-divider network.
The MAX5023/MAX5024 operate over the automotive
temperature range (-40°C to +125°C) and are available in
a thermally enhanced, surface-mount 8-pin SO package.
Applications
Fire/Smoke Alarms
Telecom/Networking
Automotive
Industrial
Home Security
Features
o
Wide Operating Input Voltage Range
+6.5V to +65V
o
Thermally Enhanced 8-Pin SO Package Dissipates
1.5W
o
Guaranteed 150mA Output Current
o
60μA No-Load Supply Current
o
-60V Reverse-Battery Protection
o
Preset +3.3V or +5.0V Output Voltage
o
Thermal and Short-Circuit Protection
o
Operate Over -40°C to +125°C Temperature Range
o
Integrated μP Reset Circuit
o
Watchdog Timer with 1.6s Timeout Period
(MAX5023)
o
Regulator Enable and Hold Inputs Implement
Self-Holding Circuit
o
SET Input for Adjustable Output Voltage
(MAX5024)
M
65V, Low-Quiescent-Current, High-Voltage Linear
Regulators with μP Reset and Watchdog Timer
________________________________________________________________
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
N.C.
HOLD
RESET
1
2
8
7
OUT
WDI
EN
GND
IN
SO
TOP VIEW
3
4
6
5
MAX5023
N.C.
HOLD
RESET
1
2
8
7
OUT
SET
EN
GND
IN
SO
3
4
6
5
MAX5024
PART
TEMP RANGE
-40
°
C to +125
°
C
-40
°
C to +125
°
C
PIN-PACKAGE
8 SO
8 SO
MAX5023
_ ASA
MAX5024
_ ASA
Pin Configurations
Ordering Information
19-2619; Rev 0; 10/02
Selector Guide and Typical Operating Circuit appear at end
of data sheet.
Note:
These parts offer a choice of reset thresholds, reset
threshold tolerances, and regulator output voltages. From the
Selector Guide, insert the desired suffix letter into the blank to
complete the part number.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5023LASA | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 輸出類(lèi)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(xiàn)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 |
| MAX5023LASA+ | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 輸出類(lèi)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(xiàn)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 |
| MAX5023LASA+T | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 輸出類(lèi)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(xiàn)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 |
| MAX5023LASA-T | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 65V Low-Q w/uP Reset & Watchdog Timer RoHS:否 制造商:STMicroelectronics 輸出類(lèi)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(xiàn)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 |
| MAX5023MASA | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) RoHS:否 制造商:STMicroelectronics 輸出類(lèi)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(xiàn)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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