NCP303LSN20T1G ON Semiconductor, NCP303LSN20T1G Datasheet

IC VOLT DETECT OD 2.0V SOT23-5

NCP303LSN20T1G

Manufacturer Part Number
NCP303LSN20T1G
Description
IC VOLT DETECT OD 2.0V SOT23-5
Manufacturer
ON Semiconductor
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of NCP303LSN20T1G

Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
Adjustable/Selectable
Voltage - Threshold
2V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
TSOT-23-5, TSOT-5, TSOP-5
Undervoltage Threshold
1.96 V
Overvoltage Threshold
2.04 V
Output Type
Open Collector / Drain
Supply Voltage (max)
10 V
Supply Voltage (min)
0.8 V
Supply Current (typ)
1.3 uA
Operating Temperature Range
- 40 C to + 125 C
Mounting Style
SMD/SMT
Manual Reset
No
Watchdog
No
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
NCP303LSN20T1G
Manufacturer:
ON/安森美
Quantity:
20 000
NCP302, NCP303
Voltage Detector Series
with Programmable Delay
current voltage detectors that contain a programmable time delay
generator. These devices are specifically designed for use as reset
controllers in portable microprocessor based systems where extended
battery life is paramount.
hysteresis and an externally programmable time delay generator. This
combination of features prevents erratic system reset operation.
are available with either an active high or active low reset. The
NCP303 series has an open drain N−Channel output with an active low
reset output.
Features
Typical Applications
© Semiconductor Components Industries, LLC, 2010
June, 2010 − Rev. 23
The NCP302 and NCP303 series are second generation ultra−low
Each series features a highly accurate undervoltage detector with
The NCP302 series consists of complementary output devices that
(Except for Voltage Options from 0.9 to 1.1 V)
Quiescent Current of 0.5 mA Typical
High Accuracy Undervoltage Threshold of 2.0%
Externally Programmable Time Delay Generator
Wide Operating Voltage Range of 0.8 V to 10 V
Complementary or Open Drain Output
Active Low or Active High Reset
Specified Over the −40°C to +125°C Temperature Range
Pb−Free Packages are Available
Microprocessor Reset Controller
Low Battery Detection
Power Fail Indicator
Battery Backup Detection
*
*
Inverter for active low devices.
Buffer for active high devices.
2
Input
Complementary Output Configuration
V
ref
3
NCP302xSNxxT1
GND 5
R
D
C
D
*
Figure 1. Representative Block Diagrams
This device contains 28 active transistors.
1
Output
Reset
1
2
Input
Open Drain Output Configuration
V
See detailed ordering and shipping information in the ordering
information section on page 22 of this data sheet.
ref
5
(Note: Microdot may be in either location)
3
NCP303LSNxxT1
Ground
Output
1
xxx
A
Y
W
G
Reset
GND 5
ORDERING INFORMATION
Input
PIN CONNECTIONS
http://onsemi.com
1
2
3
CASE 483
R
= Specific Device Code
= Assembly Location
= Year
= Work Week
= Pb−Free Package
SOT23−5
TSOP−5/
D
(Top View)
C
D
Publication Order Number:
5
4
5
1
MARKING
DIAGRAM
1
C
N.C.
xxx AYWG
D
Reset Output
NCP302/D
G

Related parts for NCP303LSN20T1G

NCP303LSN20T1G Summary of contents

Page 1

NCP302, NCP303 Voltage Detector Series with Programmable Delay The NCP302 and NCP303 series are second generation ultra−low current voltage detectors that contain a programmable time delay generator. These devices are specifically designed for use as reset controllers in portable microprocessor ...

Page 2

MAXIMUM RATINGS Rating Input Power Supply Voltage (Pin 2) Delay Capacitor Pin Voltage (Pin 5) Output Voltage (Pin 1) Complementary, NCP302 N−Channel Open Drain, NCP303 Output Current (Pin 1) (Note 2) Thermal Resistance Junction−to−Air Maximum Junction Temperature Operating Ambient Temperature ...

Page 3

ELECTRICAL CHARACTERISTICS Characteristic NCP302/3 − 0 255C for voltage options from 0 Detector Threshold (Pin 2, V Decreasing) in Detector Threshold Hysteresis (Pin Supply Current (Pin 0.8 V) ...

Page 4

ELECTRICAL CHARACTERISTICS (continued) (For all values T Characteristic NCP302/3 − 1.8 Delay Capacitor Pin Sink Current (Pin 0 0.1V 1 0.5V Delay Pullup Resistance (Pin ...

Page 5

ELECTRICAL CHARACTERISTICS (continued) (For all values T Characteristic NCP302/3− 2.7 Pch Source Current, NCP302 ( 0.7 V) OUT GND 1.5 V) OUT in C Delay Pin Threshold Voltage (Pin 5) ...

Page 6

ELECTRICAL CHARACTERISTICS (continued) (For all values T Characteristic NCP302/3 − 4.5 Pch Source Current, NCP302 (V = 5.9V 8.0V) OUT in Reset Output Current (Pin 1, Active High ‘H’ Suffix Devices) Nch Sink Current, NCP302, NCP303 (V = ...

Page 7

V + 2.0 V DET+ Input Voltage, Pin 2 0.7 V GND V + 2.0 V DET 2.0 V DET+ Reset Output 2 Voltage, Pin 1 GND NCP302 and NCP303 series are measured with capacitive ...

Page 8

Table 1. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 − 4.9 V NCP302 Series Detector Threshold V (V) (Note 4) DET− Part Number Min Typ NCP302LSN09T1 0.882 0.9 NCP302LSN15T1 1.470 1.5 NCP302LSN18T1 1.764 1.8 NCP302LSN20T1 1.960 2.0 NCP302LSN27T1 2.646 2.7 NCP302LSN30T1, 2.940 ...

Page 9

Table 3. ELECTRICAL CHARACTERISTIC TABLE FOR 0.9 − 4.9 V NCP303 Series Detector Threshold V (V) (Note 16) DET− Part Number Min Typ NCP303LSN09T1 0.882 0.9 NCP303LSN10T1 0.980 1.0 NCP303LSN11T1 1.078 1.1 NCP303LSN13T1 1.274 1.3 NCP303LSN14T1 1.372 1.4 NCP303LSN15T1 1.470 ...

Page 10

T = 25°C A 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 2.0 4.0 6 INPUT VOLTAGE (V) in Figure 3. NCP302/3 Series 0.9 V Input Current vs. Input Voltage 17 25°C ...

Page 11

T = −40°C (303L only 25°C (303L only 0.2 0.4 0 INPUT VOLTAGE (V) in Figure 9. NCP302L/3L Series 0.9 V Reset Output Voltage vs. Input Voltage ...

Page 12

T = 25° 5 2.0 4.0 6 INPUT VOLTAGE (V) in Figure 15. NCP302L Series 0.9 V Reset Output Source Current vs. Input Voltage 25° OUT 15 ...

Page 13

1.4 1.2 1.0 0.8 0 25° 85° 0.2 0.4 0 INPUT VOLTAGE (V) in Figure 21. NCP302/3 Series 0.9 V ...

Page 14

0.8 0.7 0.6 0.5 0.4 0.3 −50 0 − AMBIENT TEMPERATURE (°C) A Figure 27. NCP302/3 Series 0 Delay Pin Threshold Voltage vs. Temperature D 3 4.95 ...

Page 15

T , AMBIENT TEMPERATURE (°C) A Figure 33. NCP302/3 Series 0.9 V Reset Output Time Delay vs. Temperature 250 200 150 100 50 0 −50 0 − ...

Page 16

OPERATING DESCRIPTION The NCP302 and NCP303 series devices consist of a precision voltage detector that drives a time delay generator. Figures 37 and 38 show a timing diagram and a typical application. Initially consider that input voltage V nominal level ...

Page 17

APPLICATION CIRCUIT INFORMATION 2 Input 5 1 NCP302 Series C Reset Output Figure 38. Microprocessor Reset Circuit 2. Input 5 NCP302 LSN27T1 Figure 39. Battery ...

Page 18

Figure 41. Microprocessor Reset Circuit with Additional Hysteresis Comparator hysteresis can be increased with the addition of resistor R . The hysteresis equations have been simplified and H do not account for the change of ...

Page 19

V supply Load R 2 Input sense 5 1 NCP301 NCP303 NCP301 LSN27T1 LSN09T1 LSN27T1 C Reset Output D GND 3 Figure 43. Microcontroller Systems Load Sensing simple voltage monitor can ...

Page 20

Logic NCP302 V DET Input Pin Logic 1 Enable Pin TCD C Pin Reset Output 0 V Note: Logic tristate ...

Page 21

Power Supply 1 (System Core) 3.3 V Power Supply 2 (I/O Subsystem) 5.0 V Power Supply 3 (Peripheral Subsystem Power Supply Power Supply Power Supply ...

Page 22

... NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0 4 100 mV increments and NCP302 active high output devices, ranging from 0 4 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2. ...

Page 23

... NCP303LSN18T1G NCP303LSN20T1 2.0 NCP303LSN20T1G NCV303LSN20T1G* NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0 4 100 mV increments and NCP302 active high output devices, ranging from 0 4 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2. † ...

Page 24

... NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0 4 100 mV increments and NCP302 active high output devices, ranging from 0 4 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2. ...

Page 25

... NOTE: The ordering information lists standard undervoltage thresholds with active low outputs. Additional active low threshold devices, ranging from 0 4 100 mV increments and NCP302 active high output devices, ranging from 0 4 100 mV increments can be manufactured. Contact your ON Semiconductor representative for availability. The electrical characteristics of these additional devices are shown in Tables 1 and 2. ...

Page 26

... H T *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “ ...

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