NCP301LSN11T1G ON Semiconductor, NCP301LSN11T1G Datasheet - Page 14

• Manufacturer Part Number: NCP301LSN11T1G
• Description: IC VOLTAGE DETECTOR 1.1V SOT23-5
• Manufacturer: ON Semiconductor
• Type: Simple Reset/Power-On Resetr

Specifications of NCP301LSN11T1G

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Voltage - Threshold: 1.1V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Reset Timeout: -

generation ultra−low current voltage detectors. Figures 20
and 21 show a timing diagram and a typical application.
Initially consider that input voltage V
and it is greater than the voltage detector upper threshold
(V
for active low devices, or in the low state for active high
devices. If there is a power interruption and V
significantly deficient, it will fall below the lower detector
threshold (V
output to be in the low state for active low devices, or in the
The NCP300 and NCP301 series devices are second
DET+
), and the reset output (Pin 1) will be in the high state
Reset Output (Active High), Pin 1
Reset Output (Active Low), Pin 1
DET−
OPERATING DESCRIPTION
). This sequence of events causes the Reset
Input Voltage, Pin 2
in
is at a nominal level
V
V
V
Figure 21. Timing Waveforms
V
V
V
DET
DET
DET
DET−
DET−
DET−
in
0 V
0 V
V
V
V
becomes
in
in
in
+
+
+
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high state for active high devices. After completion of the
power interruption, V
and become greater than the V
has built−in hysteresis to prevent erratic reset operation as
the comparator threshold is crossed.
use as reset controllers in portable microprocessor based
systems, they offer a cost−effective solution in numerous
applications where precise voltage monitoring is required.
Figure 26 through Figure 33 shows various application
examples.
Although these device series are specifically designed for
in
will again return to its nominal level
DET+
. The voltage detector