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參數(shù)資料
| 型號： | MAX16056ATA27+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 125nA Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts; Package: Land Pattern: Not Available; Temperature: -40°C to +125°C |
| 中文描述： | 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8 |
| 封裝： | 3 X 3 MM, ROHS COMPLIANT, TDFN-8 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大小： | 772K |
| 代理商： | MAX16056ATA27+T |
MAX16056–MAX16059
125nA Supervisory Circuits with Capacitor-
Adjustable Reset and Watchdog Timeouts
6
_______________________________________________________________________________________
Pin Description
PIN
MAX16056/
MAX16058
MAX16057/
MAX16059
NAME
FUNCTION
11
RESET
Push-Pull or Open-Drain Reset Output. RESET asserts whenever VCC drops below the
selected reset threshold voltage (VTH) or manual reset is pulled low. RESET remains low
for the reset timeout period after all reset conditions are deasserted, and then goes high.
The watchdog timer triggers a reset pulse (tRP) whenever a watchdog fault occurs
(MAX16056/MAX16058).
2
GND
Ground
3—
SWT
Watchdog Timeout Input. Connect a capacitor between SWT and GND to set the basic
watchdog timeout period (tWD). Determine the period by the formula tWD = Floor[CSWT x
5.15 x 10
6/6.4ms] x 6.4ms + 3.2ms (Note 5) with tWD in seconds and CSWT in Farads, or
use Table 2. Extend the basic watchdog timeout period by using the WDS input. Connect
SWT to ground to disable the watchdog timer function. The value of the capacitor must be
between 2275pF and 0.54F to have a valid watchdog timeout period.
43
MR
Manual-Reset Input. Drive MR low to manually reset the device. RESET remains asserted
for the reset timeout period after MR is released. There is no internal pullup on MR. MR
must not be left unconnected. Connect MR to VCC if not used.
54
5
Reset Timeout Input. Connect a capacitor from SRT to GND to select the reset timeout
period. Determine the period as follows: tRP = 5.15 x 10
6 x CSRT with tRP in seconds and
CSRT in Farads, or use Table 2. The value of the capacitor must be between 39pF and
4.7F.
6
—
WDI
Watchdog Input. A falling transition must occur on WDI within the selected watchdog
timeout period or a reset pulse occurs. The watchdog timer clears when a falling transition
occurs on WDI or whenever RESET is asserted. Connect SWT to ground to disable the
watchdog timer function.
7
—
WDS
Watchdog Select Input. WDS selects the watchdog timeout mode. Connect WDS to
ground to select normal mode. The watchdog timeout period is tWD. Connect WDS to VCC
to select extended mode, multiplying the basic timeout period (tWD) by a factor of 128. A
change in the state of WDS clears the watchdog timer.
86
VCC
Supply Voltage. VCC is the power-supply input and the input for fixed threshold VCC
monitor. For noisy systems, bypass VCC with a 0.1F capacitor to GND.
—
5
N.C.
No Connection. Not internally connected.
—
EP
Exposed Pad. Connect EP to GND or leave unconnected.
Note 5: Floor: take the integral value.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX16056ATA28+T | 125nA Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts; Package: Land Pattern: Not Available; Temperature: -40°C to +125°C |
| MAX16056ATA30+T | 125nA Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts; Package: Land Pattern: Not Available; Temperature: -40°C to +125°C |
| MAX16056ATA32+T | 125nA Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts; Package: Land Pattern: Not Available; Temperature: -40°C to +125°C |
| MAX16056ATA33+T | 125nA Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts; Package: Land Pattern: Not Available; Temperature: -40°C to +125°C |
| MAX16056ATA34+T | 125nA Supervisory Circuits with Capacitor-Adjustable Reset and Watchdog Timeouts; Package: Land Pattern: Not Available; Temperature: -40°C to +125°C |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX16056ATA28+T | 功能描述:監(jiān)控電路 NanoPwr w/Cap-Adj Reset and Watchdog RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)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(jiān)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 |
| MAX16056ATA29+T | 功能描述:監(jiān)控電路 NanoPwr w/Cap-Adj Reset and Watchdog RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)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(jiān)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 |
| MAX16056ATA30+T | 功能描述:監(jiān)控電路 NanoPwr w/Cap-Adj Reset and Watchdog RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)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(jiān)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 |
| MAX16056ATA31+T | 功能描述:監(jiān)控電路 NanoPwr w/Cap-Adj Reset and Watchdog RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)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(jiān)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 |
| MAX16056ATA32+T | 功能描述:監(jiān)控電路 NanoPwr w/Cap-Adj Reset and Watchdog RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)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(jiān)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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