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NCP300LSN28T1G

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
NCP300, NCP301
www.onsemi.com
19
Figure 31. Simple Clock Oscillator
NCP301
LSN27T1
Reset Output
Input
R2 (See table)
NCP301
LSN27T1
GND
NCP300
HSN27T1
C
5.0 V
R1 = 100 kW
C (nF) f
OSC
(kHz)
I
Q
(mA)
0.01 10.4 18
0.068 9.8
18
1.0 6.18 21
Test Data
2
1
3
f
OSC
(kHz)
I
Q
(mA)
6.0 30
5.7 30
3.6 29
10 1.41 21
100 0.27
22
1000 0.045
22
1.34 25
0.356 23
0.077 22
R2 = 82 kW R2 = 8.2 kW
Table values are for information only.
Figure 32. Microcontroller System Load Sensing
NCP301
LSN27T1
50 k
NCP301
LSN27T1
NCP301
LSN09T1
V
supply
Load
R
sense
Input
2
3
GND
1
Reset Output
Microcontroller
GND
V
DD
If:
I
Load
t V
DET−
/R
sense
I
Load
w (V
DET−
+V
HYS
)/R
sense
Then:
Reset Output = 0 V
Reset Output = V
DD
This circuit monitors the current at the load. As
current flows through the load, a voltage drop with
respect to ground appears across R
sense
where
V
sense
= I
load
* R
sense.
The following conditions apply:
NCP300, NCP301
www.onsemi.com
20
Figure 33. LED Bar Graph Voltage Monitor
NCP301
LSN27T1
2
NCP301
LSN27T1
NCP301
LSN45T1
3
1
V
supply
NCP301
LSN27T1
2
NCP301
LSN27T1
NCP301
LSN27T1
3
1
NCP301
LSN27T1
2
NCP301
LSN27T1
NCP301
LSN18T1
3
1
Input
GND
Reset
Output
Input
GND
Reset
Output
Input
GND
Reset
Output
V
in
= 1.0 V to 10 V
A simple voltage monitor can be constructed by connecting several voltage detectors as shown above. Each LED will
sequentially turn on when the respective voltage detector threshold (V
DET−
+V
HYS
) is exceeded. Note that detector
thresholds (V
DET−
) that range from 0.9 V to 4.9 V in 100 mV steps can be manufactured.
NCP300, NCP301
www.onsemi.com
21
ORDERING INFORMATION
Device Threshold Voltage Output Type Reset Marking Package Shipping
†
NCP300LSN09T1G 0.9
CMOS
Active
Low
SEJ TSOP−5
(Pb−Free)
3000 / Tape & Reel
(7 in. Reel)
NCP300LSN18T1G 1.8 SFK TSOP−5
(Pb−Free)
NCP300LSN185T1G 1.85 SRA TSOP−5
(Pb−Free)
NCP300LSN20T1G
2.0
SHE
TSOP−5
(Pb−Free)
NCV300LSN20T1G* SIM
NCP300LSN25T1G 2.5
RUM
TSOP−5
(Pb−Free)
NCP300LSN27T1G
2.7
SEE
TSOP−5
(Pb−Free)
NCV300LSN27T1G* SIW
NCP300LSN28T1G
2.8
SED
TSOP−5
(Pb−Free)
NCV300LSN28T1G* SSL
NCP300LSN30T1G
3.0
SEC
TSOP−5
(Pb−Free)
NCV300LSN30T1G* SQV
NCP300LSN33T1G 3.3 SKV TSOP−5
(Pb−Free)
NCP300LSN34T1G 3.4 SKU
TSOP−5
(Pb−Free)
NCV300LSN36T1G* 3.6 SKS
NCP300LSN44T1G 4.4 SKK TSOP−5
(Pb−Free)
NCP300LSN45T1G 4.5 SEA TSOP−5
(Pb−Free)
NCP300LSN46T1G 4.6 SKJ TSOP−5
(Pb−Free)
NCP300LSN47T1G 4.7 SDZ TSOP−5
(Pb−Free)
NCP300HSN09T1G 0.9
CMOS
Active
High
SDY TSOP−5
(Pb−Free)
3000 / Tape & Reel
(7 in. Reel)
NCP300HSN18T1G 1.8 SFJ TSOP−5
(Pb−Free)
NCP300HSN27T1G 2.7 SDU TSOP−5
(Pb−Free)
NCP300HSN30T1G 3.0 SDS TSOP−5
(Pb−Free)
NCP300HSN45T1G 4.5 SDQ TSOP−5
(Pb−Free)
NCP300HSN47T1G 4.7 SDP TSOP−5
(Pb−Free)
NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices,
ranging from 0.9 V to 4.9 V in 100 mV increments and NCP300/NCP301 active high output devices, ranging from 0.9 V to 4.9 V
in 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical
characteristics of these additional devices are shown in Tables 1 through 4.
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Spe-
cifications Brochure, BRD8011/D.
*NCV prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP
Capable.
NCVxxx: T
low
= −40°C, T
high
= +125°C. Guaranteed by design.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25

NCP300LSN28T1G

Mfr. #:
Buy NCP300LSN28T1G
Manufacturer:
ON Semiconductor
Description:
Supervisory Circuits 2.8V Detector w/Reset Low
Lifecycle:
New from this manufacturer.
Delivery:
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