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參數(shù)資料
| 型號： | AS1905C26-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 150nA, push-pull Active-High; Package Type: SOT23-3; Reset Type: Active-High; Timeout Period: 100,00; Supervised Voltages (IN1): 2,63 |
| 封裝： | SOT23-3 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 178K |
| 代理商： | AS1905C26-T |
AS1904, AS1905, AS1906
Ultra Low-Power μP Supervisory Circuit
Words Lowest
Data Sheet
www.austriamicrosystems.com
Revision 1.41
1 - 9
1 General Description
The AS1904/5/6 family is an ultra low-power supervisory
circuit device.
The device can be used to monitor the supply voltage of
digital systems and microprocessors and initiate a reset
when the voltage goes below a predefined threshold.
The duration of the reset is 5/20/100/500ms (typ.) after
the supply voltage has risen above the threshold.
The device exhibits excellent reliability and can reduce
application costs by eliminating all external components.
The device is available with different output drivers:
!
The AS1904 has a push-pull driver with an active low
reset.
!
The AS1905 uses the same output stage as the
AS1904, but has an active high reset.
!
The AS1906 has an open drain output with active low
reset.
All devices operate down to a voltage of 1V.
The reset thresholds are factory-trimmable between
2.2V and 3.08V in steps of approximately 100mV.
Each device of the AS1904/5/6 family is offered with four
time-out periods of 5/20/100/500ms.
The extremely low current consumption of only 150nA
(typ) at 3.3V makes the device ideal for use in portable
applications.
All devices are available in a 3-pin SOT23 package.
Figure 1. Functional Block Diagrams
2 Key Features
!
Low 150nA (typical) Supply Current
!
Precision Monitoring of 2.5-, 3-, and 3.3V-Power
Supplies
!
Supply Voltage Range 1.0 to 3.6V
!
Reset Threshold Available from 2.2 to 3.1V
!
Available in three Versions
- AS1904 Push-Pull RESETN
- AS1905 Push-Pull RESET
- AS1906 Open Drain RESETN
!
4 Time-Out Periods Ranging from 5 to 500ms
!
Detection Voltage Accuracy: ±1.5%
!
Temperature Range: -40 to +85°C
!
SOT23-3 Package
!
Superior Upgrade to austriamicrosystems
AS1901/2/3 Device Family
3 Applications
The devices are ideal for computers, intelligent instru-
ments, controllers, critical microprocessor and micro-
controller, power monitoring and portable/battery-
powered equipment.
V
CC
AS1906
Microprocessor
V
DD
GND
GND
RESETN
RESET I/O
V
CC
1
2
3
V
CC
AS1904
AS1905
Microprocessor
V
DD
GND
GND
RESET,
RESETN
RESET
V
CC
1
2
3
Power
相關PDF資料 |
PDF描述 |
|---|---|
| AS1905C31-T | 150nA, push-pull Active-High; Package Type: SOT23-3; Reset Type: Active-High; Timeout Period: 100,00; Supervised Voltages (IN1): 3,08 |
| AS1906C23-T | 150nA, open-drain active-low; Package Type: SOT23-3; Reset Type: Open-Drain; Timeout Period: 100,00; Supervised Voltages (IN1): 2,32 |
| AS1906C26-T | 150nA, open-drain active-low; Package Type: SOT23-3; Reset Type: Open-Drain; Timeout Period: 100,00; Supervised Voltages (IN1): 2,63 |
| AS1906C28-T | 150nA, open-drain active-low; Package Type: SOT23-3; Reset Type: Open-Drain; Timeout Period: 100,00; Supervised Voltages (IN1): 2,80 |
| AS1906C31-T | 150nA, open-drain active-low; Package Type: SOT23-3; Reset Type: Open-Drain; Timeout Period: 100,00; Supervised Voltages (IN1): 3,08 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| as1905c26z | 制造商:ams 功能描述:AS1905 Series 2.63 V 100 ms Ultra Low-Power P Supervisory Circuit-SOT-23-3 制造商:ams 功能描述:AS1905 Series 2.63 V 100 ms Ultra Low-Power ?P Supervisory Circuit-SOT-23-3 |
| AS1905C31 | 制造商:ams 功能描述:IC SUPERVISOR ACT HIGH SOT23-3 制造商:ams 功能描述:T&R / SOT23-3 |
| AS1905-C31-T | 功能描述:IC SUPERVISOR ACT HIGH SOT23-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標準包裝:1 系列:- 類型:簡單復位/加電復位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復位:高有效 復位超時:- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應商設備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| AS1905C31-T | 制造商:ams 功能描述:IC MPU SUPERVISOR 0.15 3.6V SOT23-3 |
| AS1905C31Z | 制造商:ams 功能描述:AS1905 Series 3.08 V 100 ms Ultra Low-Power P Supervisory Circuit-SOT-23-3 制造商:ams 功能描述:AS1905 Series 3.08 V 100 ms Ultra Low-Power ?P Supervisory Circuit-SOT-23-3 |
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