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BL8509D 데이터시트 PDF




BELLING에서 제조한 전자 부품 BL8509D은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 BL8509D 기능
기능 Low Voltage Detector
제조업체 BELLING
로고 BELLING 로고


BL8509D 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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BL8509D 데이터시트, 핀배열, 회로
BL8509D
Low Voltage Detector with Built-in Delay Circuit
Outline:
BL8509D is a series of high precision
voltage detector with ultra low current
consumption (500nA typ. at VDD=VTH+1V) and a
built-in delay circuit. It can work at very low
voltage, which makes it perfect for system reset.
BL8509D is composed of high precision
voltage reference, comparator, delay circuit,
output driver and resistor array. Internally preset
detect voltage has a low temperature drift and
requires no external trimming.
Two type of output, CMOS and N-channel
open-drain are available.
BL8509D is available in SOT-23,SOT-23-
3,SOT-23-5 which is Pb free.
Selection Guide
Features
High-precision detection Voltage±2%
Detection Voltage1.6V~5.0V (in 0.1V steps)
Built-in Power on Reset Delay Time circuit::
Refer to Selection Guide
Operating Voltage range1.0V~6.0V
Ultra-low current consumption0.9uA typ. (at
VDD=3V)
Two Output forms CMOS and N-channel open-
drain (Active Low)
Application
Power monitor for portable equipment such as
PDA,DSC,Mobile phone,Notebook,MP3
CPU and Logic Circuit Reset
Battery Checker
Battery Back-up Circuit
Power Failure Detector
8509D- XXX X X XX
Pin Alignment
http://www.belling.com.cn
Package type
RMSOT-23-3
RNSOT-23-5
ROSOT-23
Output type
NNch
CCMOS
Delay time
A240mS
B50mS
C100mS
D200mS
E400mS
Detector voltage
090……0.9V
100……1.0V
263……2.63V
293……2.93V
300……3.0V
465……4.65V
……
600……6.0V
(In 0.1V step)
- 1-
Total 16 Pages
1/1/2013




BL8509D pdf, 반도체, 판매, 대치품
Electrical Characteristics
BL8509D
Parameter
Operating voltage
Symbol
VDD
Test Condition
Ta=0 to 70
Ta=-40 to 105
MIN.
1.0
1.1
TYP.
-
-
MAX.
6.0
6.0
Unit
V
Supply Current
Reset Threshold
Reset Threshold
Temp. Coefficient
RST output voltage
Low
(active L type)
IDD
VTH
VTH/T
VOL
VDD=VTH+1V
Ta=25
VTH=4.63V Ta=-40 to 85
Ta=85 to 105
VTH=4.38V
Ta=25
Ta=-40 to 85
Ta=85 to 105
Ta=25
VTH=3.08V Ta=-40 to 85
Ta=85 to 105
Ta=25
VTH=2.93V
VTH=2.63V
VTH=1.6
5.0V
(0.1V step)
Ta=-40 to 85
Ta=85 to 105
Ta=25
Ta=-40 to 85
Ta=85 to 105
Ta=25
Ta=-40 to 85
Ta=85 to 105
VDD=VTH-0.1V, Isink=1.2mA
VTH3.08V
VDD=VTH-0.1V, Isink=3.2mA
VTH3.08V
4.584
4.500
4.400
4.336
4.250
4.160
3.049
3.000
2.920
2.901
2.850
2.780
2.604
2.550
2.500
-1.0
-2.5
-5.0
0.5
4.630
-
-
4.380
-
-
3.080
-
-
2.930
-
-
2.630
-
-
-
-
-
30
2.0
4.676
4.750
4.860
4.424
4.500
4.560
3.111
3.150
3.230
2.959
3.000
3.080
2.656
2.700
2.760
1.0
2.5
5.0
µA
V
%
ppm/
0.3
0.4
V
RST output voltage
High
(active L type)
VOH
VDD=VTH+1V Isink=500µA
VTH3.08V
VDD=VTH+1V, Isink=800µA
VTH3.08V
0.8*VDD
VDD-1.5
V
RST output voltage
low
(active H type)
VOL
VDD=VTH+1V, Isink=1.2mA
VTH3.08V
VDD=VTH+1V, Isink=3.2mA
VTH3.08V
- - 0.3
V
- - 0.4
RST output voltage
High
(active H type)
VOH
VDD=VTH-0.1V Isink=500µA
VTH3.08V
VDD=VTH-0.1V, Isink=800µA
VTH3.08V
0.8*VDD
VDD-1.5
(Note1)This device is tested at Ta=25, over temperature limits guaranteed by design only.
(Note2)The parameter is guaranteed by design.
V
Circuit
http://www.belling.com.cn
- 4-
Total 11 Pages
1/1/2013

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BL8509D 전자부품, 판매, 대치품
BL8509D
VDD1V region is, it will be operating limits, The output is undefined.
Function description:
Delay
Comparator
High precision low temperature co-efficiency reference voltage is applied to the
negative input of a comparator. Input voltage, divided by resistor array of Ra and Rb, is
applied to the positive input of the comparator. Output of the comparator passes a delay
circuit and a series of buffer to drive the output CMOS pair.
VDET =VREF*(1+Ra/Rb)
http://www.belling.com.cn
- 7-
Total 11 Pages
1/1/2013

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