AS1920-18-T austriamicrosystems, AS1920-18-T Datasheet - Page 10

• Manufacturer Part Number: AS1920-18-T
• Description: IC SUPERVISOR PUSH/PULL SOT23-5
• Manufacturer: austriamicrosystems
• Type: Multi-Voltage Supervisorr

Specifications of AS1920-18-T

• Number Of Voltages Monitored: 3
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 1.683V, 2.805V, Adj
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-5, SC-74A, SOT-25
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AS1920/AS1922
Datasheet - A p p l i c a t i o n I n f o r m a t i o n
Figure 16. V
Figure 17. Triple-Supply Monitor w/Manual Reset Switch
www.austriamicrosystems.com
Normally Open
Manual Reset
Switch
CCA
Adjustable Reset
Trip Threshold
Tied to DC/DC Feedback Divider
2.31V
R
1
= R
2
((V
†
Optional Resistor Recommended
TRIP/
10kΩ
R
to Extend ESD Tolerance
5%
3
V
†
CCA
27.4kΩ
2.26kΩ
22.6kΩ
) - 1)
1%
1%
1%
130kΩ
100kΩ
0.1%
0.1%
2.5V
R
R
V
1
2
TRIP
V
TRIP
2.5V
1.8V
= 2.3V
3V
= V
100nF
CCA
Revision 1.00
/R
V
V
V
1.8V
2
CC18
CCA
CC3
(R
5
4
3
1
+ R
100nF
AS1920-18
2
)
3V
V
V
V
CC18
CCA
CC3
5
4
3
1
RESETN
2
GND
AS1920-18
System
Reset
1
RESETN
2
GND
System
Reset
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