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AX6901 데이터시트 PDF




AXElite에서 제조한 전자 부품 AX6901은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AX6901 자료 제공

부품번호 AX6901 기능
기능 (AX6901 - AX6904) 3-Pin Microprocessor Reset Circuits
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AX6901 데이터시트, 핀배열, 회로
AX6901/2/3/4(Preliminary)
3-Pin Microprocessor Reset Circuits
™ GENERAL DESCRIPTION
TheAX6901/2/3/4 are used for microprocessor (µP) supervisory circuits to monitor the
power supplies in µP and digital systems. They provide excellent circuit reliability and low
cost by eliminating external components and adjustments when used with +5V, +3.3V,
+3.0V powered circuits.
These circuits perform a single function: they assert a reset signal whenever the VCC
supply voltage declines below a preset threshold, keeping it asserted for at least 200ms
after VCC has risen above the reset threshold. Reset thresholds suitable for operation
with a variety of supply voltages are available. TheAX6901/2/3/4 have push pull outputs.
TheAX6901/3 have an active low RESET output, while theAX6902/4 has an active high
RESET output. The reset comparator is designed to ignore fast transients on VCC, and
the outputs are guaranteed to be in the correct logic state for VCC down to 1V. Low
supply current makes theAX6901/2/3/4 ideal for use in portable equipment.
TheAX6901/2/3/4 is available in a 3-pin SOT23 package.
.
™ FEATURES
- Precision Monitoring of +2.5,+3V, +3.3V, and +5V Power-Supply Voltages
- Fully Specified Over Temperature
- Available in Three Output Configurations
- Push-Pull RESET Low Output(AX6901/3)
- Push-Pull RESET High Output(AX6902/4
- 200ms (Typ.)min Power-On Reset Pulse Width
- 25µA Supply Current
- Guaranteed Reset Valid to VCC = +1V
- Power Supply Transient Immunity
- No External Components
- Available in the 3-Pin Pb-Free SOT23 Package
Axelite Confidential Materials, do not copy or distribute without written consent.
1/8
Rev.0.1 Nov.30, 2006
Free Datasheet http://www.datasheet4u.n




AX6901 pdf, 반도체, 판매, 대치품
AX6901/2/3/4(Preliminary)
™ Absolute Maximum Ratings (at TA=25 )
Characteristics
Symbol
Rating
Unit
VCC Pin Voltage
VCC GND - 0.3 to GND + 6.5 V
RESET, RESET (push-pull) Pin Voltage
VRESET GND - 0.3 to VCC + 0.3 V
Input Current, VCC
ICC 20 mA
Output Current, RESET, RESET
Operating Supply Voltage
IO 5 mA
VOP +1.0 to +6.0
V
Power Dissipation
PD ( TJ-TA ) / θJA mW
Storage Temperature Range
TST -40 to +150
Operating Temperature Range
Junction Temperature
Thermal Resistance from Junction to case
TOP
TJ
θJC
-20 to +85
-20 to +125
110
/W
Thermal Resistance from Junction to ambient θJA
250
/W
Note1 : JA is measured with the PCB copper area of approximately 1 in2(Multi-layer). that need connect to VSS pin.
™ Electrical Characteristics TA=25 (unless otherwise noted)
Characteristics Symbol
Conditions
Supply Current
ICC VCC = VTH+1.0V
AP1701/2/3/4A
AP1701/2/3/4B
Reset Threshold
TA=25ºC
AP1701/2/3/4C
VTH AP1701/2/3/4D
AP1701/2/3/4E
AP1701/2/3/4F
AP1701/2/3/4G
Reset Threshold Tempco
Set-up Time
Reset Active Timeout Period
RESET Output
Voltage Low
RESET Output
Voltage High
VTHT Guaranteed by Design
TS VCC = 0 to (VTH – 100mV)
TDELAY TA = 0oC to +70oC
VOL
VCC = VTH min, ISINK =
1.2mA,AX6901/3
VCC = VTH min, ISINK = 3.2mA
VCC > 1.0V, ISINK = 50uA
VOH
VCC > VTH max,
500uA,AX6901/3
ISOURCE
VCC > VTH max, ISOURCE = 800uA
RESET Output
Voltage Low
VOL
VCC = VTH max,
1.2mA,AX6902/4
ISINK
VCC = VTH max, ISINK = 3.2mA
RESET Output
Voltage High
VOH
1.8V < VCC < VTH min, ISOURCE =
150uA,AX6902/4
Hysteresis at VCC
VHys Input voltage
Output Short-Circuit
RESET
IOS
Min
-
4.54
4.29
3.92
3.02
2.87
2.57
2.20
-
1
140
-
-
-
= 0.8VCC
VCC –1.5
=-
-
0.8 VCC
-
-
Typ
35
4.63
4.38
4.00
3.08
2.93
2.63
2.25
50
-
200
-
-
-
-
-
-
-
40
-
Max Units
50 µA
4.71
4.46
4.08
3.15 V
3.00
2.69
2.30
ppm/oC
- µs
260 ms
0.3
0.4 V
0.3
-V
-
0.3 V
0.4
-V
- mV
-500 µA
4/8
Axelite Confidential Materials, do not copy or distribute without written consent.
Rev.0.1 Nov.30, 2006
Free Datasheet http://www.datasheet4u.net/

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AX6901 전자부품, 판매, 대치품
AX6901/2/3/4(Preliminary)
™ Timing Diagram
VTH
VCC
Active Low
TDELAY
Active High
TDELAY
TDELAY
TDELAY
Axelite Confidential Materials, do not copy or distribute without written consent.
7/8
Rev.0.1 Nov.30, 2006
Free Datasheet http://www.datasheet4u.net/

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