NCP303LSN25T1 ON Semiconductor, NCP303LSN25T1 Datasheet - Page 20
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NCP303LSN25T1
Manufacturer Part Number
NCP303LSN25T1
Description
IC DETECTOR VOLTAGE 2.5V SOT23-5
Manufacturer
ON Semiconductor
Type
Simple Reset/Power-On Resetr
Datasheet
1.NCP303LSN30T1G.pdf
(26 pages)
Specifications of NCP303LSN25T1
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
Adjustable/Selectable
Voltage - Threshold
2.5V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
NCP303LSN25T1OS
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
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Quantity:
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Company:
Part Number:
NCP303LSN25T1G
Manufacturer:
ON Semiconductor
Quantity:
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input falls below the detector threshold (V
capacitor on the C
resulting in the reset output changing to its active state
indicating that an undervoltage event has been detected. The
addition of a logic gate (Logic 1) provides for reset output
control which is independent of V
This circuit monitors V
NCP302
Input Pin
Logic 1
Enable
Pin
C
Reset
Output
Note: Logic 1 is in tristate when EN = 0,
D
EN
Pin
V
TCD
0.675 * V
Logic 1
IN
D
pin will be immediately discharged
Figure 45. Undervoltage Detection with Independent Reset Signal Control
V
V
V
V
TCD
DET
0 V
0 V
0 V
DD
DD
DD
1
0
DD
for undervoltage. If the V
C
DD
D
. If the output of the
V
DD
DET−
C
5
D
), then the
t
D2
http://onsemi.com
DD
NCP302L
Series
2
3
20
GND
Input
logic gate is tristated the undervoltage detector will behave
normally. If the tristate is de−asserted, the logic gate will pull
the C
an active state. This independent control is useful in power
supply sequencing applications when the Reset Output is
tied to the enable input of an LDO or DC−DC converter.
D
pin low resulting in the Reset Output pin changing to
Reset Output
1
t
D2
To MCU or
Logic Circuitry