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參數資料
| 型號： | MAX6389LT27D5+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | SC70/µDFN, Single/Dual Low-Voltage, Low-Power µP Reset Circuits |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | 1.50 X 1 MM, 0.80 MM HEIGHT, LEAD FREE, MO-252WAAD, MICRO, DFN-6 |
| 文件頁數： | 1/36頁 |
| 文件大小： | 501K |
| 代理商： | MAX6389LT27D5+T |
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General Description
The MAX6381–MAX6390 microprocessor (P) supervisory
circuits monitor power-supply voltages from +1.8V to
+5.0V while consuming only 3A of supply current at
+1.8V. Whenever VCC falls below the factory-set reset
thresholds, the reset output asserts and remains assert-
ed for a minimum reset timeout period after VCC rises
above the reset threshold. Reset thresholds are available
from +1.58V to +4.63V, in approximately 100mV incre-
ments. Seven minimum reset timeout delays ranging
from 1ms to 1200ms are available.
The MAX6381/MAX6384/MAX6387 have a push-pull
active-low reset output. The MAX6382/MAX6385/
MAX6388 have a push-pull active-high reset output,
and the MAX6383/MAX6386/MAX6389/MAX6390
have an open-drain active-low reset output. The
MAX6384/MAX6385/MAX6386
also
feature
a
debounced manual reset input (with internal pullup
resistor). The MAX6387/MAX6388/MAX6389 have an
auxiliary input for monitoring a second voltage. The
MAX6390 offers a manual reset input with a longer VCC
reset timeout period (1120ms or 1200ms) and a shorter
manual reset timeout (140ms or 150ms).
The MAX6381/MAX6382/MAX6383 are available in
3-pin SC70 and 6-pin DFN packages and the
MAX6384–MAX6390 are available in 4-pin SC70 and
6-pin DFN packages.
Features
Factory-Set Reset Threshold Voltages Ranging
from +1.58V to +4.63V in Approximately 100mV
Increments
±2.5% Reset Threshold Accuracy Over
Temperature (-40°C to +125°C)
Seven Reset Timeout Periods Available: 1ms,
20ms, 140ms, 280ms, 560ms, 1120ms,
1200ms (min)
3 Reset Output Options
Active-Low Push-Pull
Active-High Push-Pull
Active-Low Open-Drain
Reset Output State Guaranteed Valid
Down to VCC = 1V
Manual Reset Input (MAX6384/MAX6385/MAX6386)
Auxiliary RESET IN
(MAX6387/MAX6388/MAX6389)
VCC Reset Timeout (1120ms or 1200ms)/Manual
Reset Timeout (140ms or 150ms) (MAX6390)
Negative-Going VCC Transient Immunity
Low Power Consumption of 6A at +3.6V
and 3A at +1.8V
Pin Compatible with
MAX809/MAX810/MAX803/MAX6326/MAX6327/
MAX6328/MAX6346/MAX6347/MAX6348,
and MAX6711/MAX6712/MAX6713
Tiny 3-Pin/4-Pin SC70 and 6-Pin DFN Packages
MAX6381–MAX6390
SC70/DFN, Single/Dual Low-Voltage,
Low-Power P Reset Circuits
________________________________________________________________ Maxim Integrated Products
1
RESET
(RESET)
1
3
VCC
GND
MAX6381
MAX6382
MAX6383
TOP VIEW
2
SC70
( ) IS FOR MAX6382
12
3
65
4
GND
VCC
N.C.
N.C
N.C.
MAX6381
MAX6382
MAX6383
DFN
RESET
(RESET)
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX6381LT_ _D_+T -40
°C to +125°C 6 DFN-6
L611-1
MAX6381XR_ _D_+T -40
°C to +125°C 3 SC70-3
X3-2
MAX6382LT_ _D_+T -40
°C to +125°C 6 DFN-6
L611-1
MAX6382XR_ _D_+T -40
°C to +125°C 3 SC70-3
X3-2
Pin Configurations
19-1839; Rev 4; 4/07
Ordering Information
Pin Configurations continued at end of data sheet.
Ordering Information continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
Selector Guide appears at end of data sheet.
Note: Insert reset threshold suffix (see Reset Threshold table)
after "XR", "XS", or "LT." Insert reset timeout delay (see Reset
Timeout Delay table) after "D" to complete the part number.
Sample stock is generally held on standard versions only (see
Standard Versions table). Standard versions have an order
increment requirement of 2500 pieces. Nonstandard versions
have an order increment requirement of 10,000 pieces.
Contact factory for availability of nonstandard versions.
+Denotes a lead-free package.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Computers
Controllers
Intelligent Instruments
Critical P and C
Power Monitoring
Portable/Battery-
Powered Equipment
Dual Voltage Systems
Applications
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6389LT27D6+T | 功能描述:監控電路 Dual uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6389LT27D7+T | 功能描述:監控電路 Dual uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6389LT28D1+T | 功能描述:監控電路 Dual uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6389LT28D2+T | 功能描述:監控電路 Dual uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6389LT28D3+T | 功能描述:監控電路 Dual uPower Reset Circuit RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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