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Datasheet> All Categories > Power/power management> The power supply circuit> APX803-29SRG-7
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APX803-29SRG-7

Description
Power Supply Support Circuit, Fixed, 1 Channel, +2.93VV, PDSO3, SOT-23R, 3 PIN
CategoryPower/power management    The power supply circuit   
File Size434KB，11 Pages
ManufacturerDiodes Incorporated
Environmental Compliance  
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APX803-29SRG-7 Overview

Power Supply Support Circuit, Fixed, 1 Channel, +2.93VV, PDSO3, SOT-23R, 3 PIN

APX803-29SRG-7 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerDiodes Incorporated
Parts packaging codeSOT-23
package instructionLSSOP, TO-236
Contacts3
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time18 weeks
Other featuresADDITIONAL THRESHOLD VOLTAGE IS 2.93 V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTO-236
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply1.1/5.5 V
Certification statusNot Qualified
Maximum seat height1.35 mm
Maximum supply current (Isup)0.04 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.1 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.96 mm
Terminal locationDUAL
Threshold voltage nominal+2.93V
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.3 mm

APX803-29SRG-7 Preview

NOT RECOMMENDED FOR NEW DESIGN
USE
APX803S
APX803/D
3-PIN MICROPROCESSOR RESET CIRCUIT
Description
The APX803/D is 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 on
power up and whenever the V
CC
supply voltage declines below a
preset threshold, keeping it asserted for a fixed period of time after
V
CC
has risen above the reset threshold. For the APX803D this period
is a minimum of 1ms while for other APX803 variants it is at least
140ms. The reset comparator is designed to ignore fast transients on
V
CC
, and the outputs are guaranteed to be in the correct logic state
for V
CC
down to 1V.
Pin Assignments
(Top View)
GND
1
APX803
3
V
CC
RESET
2
SOT23 (SA Package)
(Top View)
RESET
The APX803 is available with different reset thresholds suitable for
operation with a variety of supply voltages, however the APX803D is
available with a 2.93V threshold voltage.
1
APX803
3
V
CC
GND
The APX803/D have an open collector active low
RESET
output
and compliment Diodes APX809/10 which have push-pull output
stages. Low supply current makes the APX803/D ideal for use in
portable equipment. The APX803/D are available in two pin out
variants of the 3-pin SOT23 package.
2
SOT23 (SR Package)
Applications
Computers
Controllers
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Battery Powered Equipment
Features
Precision Monitoring of 2.5V, 3V, 3.3V, and 5V Power-Supply
Voltages
Fully Specified Over Temperature
Open-drain
RESET
Active Low
Power-On/Power Supply Glitch Reset Pulse
APX803D 2ms (Typ)
APX803
200ms (Typ)
30µA Supply Current (Typ.)
Guaranteed Reset Valid to V
CC
= 1V
No External Components
SOT23: Available in “Green” Molding Compound (No Br, Sb)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
APX803/D
Document number: DS32131 Rev. 3 - 3
1 of 11
www.diodes.com
March 2017
© Diodes Incorporated
NOT RECOMMENDED FOR NEW DESIGN
USE
APX803S
APX803/D
Typical Applications Circuit
V
CC
100nF
C
IN
V
CC
V
CC
APX803
RESET
Microprocessor
RESET
INPUT
GND
GND
Pin Descriptions
Pin Name
GND
Ground
Reset Output Pin
Active Low Open Drain
Operating Voltage Input
Description
RESET
V
CC
Functional Block Diagram
V
CC
Oscillator
Delay time
RESET
V
REF
APX803/D
APX803/D
Document number: DS32131 Rev. 3 - 3
2 of 11
www.diodes.com
March 2017
© Diodes Incorporated
NOT RECOMMENDED FOR NEW DESIGN
USE
APX803S
APX803/D
Absolute Maximum Ratings
Symbol
ESD HBM
ESD MM
V
CC
V
RESET
I
CC
I
O
P
D
T
OP
T
ST
Parameter
Human Body Model ESD Protection
Machine Model ESD Protection
Supply Voltage
Rating
2
200
-0.3 to +6.0
-0.3 to 6
20
20
400
-40 to +105
-65 to +150
Unit
kV
V
V
V
mA
mA
mW
°
C
°
C
RESET
(Open Drain)
Input Current, V
CC
Output Current,
RESET
Continuous Power Dissipation (T
A
= +70° De-rate
C),
4mW/° above +70°
C
C
Operating Junction Temperature Range
Storage Temperature Range
Recommended Operating Conditions
Symbol
V
CC
V
IN
V
RESET
T
A
dV
CC
/dt
Supply Voltage
Input Voltage
Parameter
Min
1.1
0
0
-40
—
Max
5.5
(V
CC
+ 0.3)
5.5
+85
100
Unit
V
V
V
°
C
V/µs
RESET
Output Voltage
Operating Ambient Temperature Range
V
CC
Rate of Rise (V
CC
= 0 to V
T
)
APX803/D
Document number: DS32131 Rev. 3 - 3
3 of 11
www.diodes.com
March 2017
© Diodes Incorporated
NOT RECOMMENDED FOR NEW DESIGN
USE
APX803S
APX803/D
Electrical Characteristics
Symbol
I
CC
Parameter
Supply Current
(@T
A
= -40 to +85° unless otherwise note. Typical values are at T
A
= +25°
C,
C.)
Test Conditions
V
TH
+ 0.2V
Min
—
2.21
2.59
2.89
T
A
= +25
o
C
2.89
3.04
3.94
4.31
4.56
V
TH-H
- V
TH-L
—
V
CC
= V
TH
to (V
TH
- 100mV)
—
—
—
140
1
—
—
—
—
—
—
Typ
30
2.25
2.63
2.93
2.93
3.08
4.00
4.38
4.63
40
30
20
200
—
—
—
—
—
201
56
Max
40
2.30
2.66
2.96
2.96
3.13
4.06
4.45
4.70
—
—
—
280
3.3
0.3
0.4
0.3
1
—
—
µA
°
C/W
°
C/W
V
mV
ppm/°
C
µs
ms
V
Unit
μA
APX803-23
APX803-26
APX803-29
Reset Threshold
V
TH
APX803D-29
APX803-31
APX803-40
APX803-44
APX803-46
Reset Threshold Hysteresis
Reset Threshold Tempco
t
S
t
DELAY
V
CC
to RESET Delay
Reset Active
Timeout Period
APX803-XX
APX803D-29
T
A
= 0
o
C to +85
o
C
V
CC
= V
TH
-0.2, I
SINK
= 1.2mA
V
OL
RESE T
Output Voltage Low
V
CC
= V
TH
-0.2, I
SINK
= 3.5mA
V
CC
> 1.0V, I
SINK
= 50µA
I
OH
θ
JA
θ
JC
Notes:
RESE T
Output High Leakage
Current
Thermal Resistance Junction-to-
Ambient
Thermal Resistance
Junction-to-Case
V
CC
> V
TH
+0.2
SOT23 (Note 4)
SOT23 (Note 4)
4. Test condition for SOT23: Devices mounted on FR-4 substrate PC board, 2oz copper, with minimum recommended pad layout.
5. Final datasheet limits to be determined by characterization and correlation.
APX803/D
Document number: DS32131 Rev. 3 - 3
4 of 11
www.diodes.com
March 2017
© Diodes Incorporated
NOT RECOMMENDED FOR NEW DESIGN
USE
APX803S
APX803/D
Performance Characteristics
RESET Threshold Voltage vs. Temperature
5.0
5.0
RESET Threshold Voltage vs. Temperature
RESET Threshold Voltage(V)
RESET Threshold Voltage(V)
4.5
4.0
3.5
3.0
2.5
2.0
-50
-25
0
25
50
75
100
APX803-44
4.5
4.0
3.5
3.0
2.5
2.0
-50
-25
0
25
50
75
100
APX803-26
Temperature (°
C)
Temperature (°
C)
RESET Timeout Period vs. Temperature
RESET Timeout Period vs. Temperature
RESET Timeout Period(ms)
240
230
220
210
200
190
180
170
160
APX803
RESET Timeout Period(ms)
250
3.00
2.80
2.60
2.40
2.20
2.00
1.80
1.60
1.40
1.20
1.00
-50
-25
0
25
50
75
100
APX803D
150
-50
-25
0
25
50
75
100
Temperature (°
C)
Temperature (°
C)
Supply Current vs. Temperature
30
29
Supply Current vs. Vcc
40
Vcc=3.3V
35
30
25
20
15
10
5
0
-25
0
25
50
75
100
Vcc Supply Current(uA)
28
27
26
25
24
23
22
21
20
-50
Supply Current(uA)
Temperature (°
C)
0
1
2
3
4
5
6
Vcc(V)
APX803/D
Document number: DS32131 Rev. 3 - 3
5 of 11
www.diodes.com
March 2017
© Diodes Incorporated
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APX803-29SRG-7 Related Products

APX803-29SRG-7 APX803D-29SRG-7 APX803-40SRG-7
Description Power Supply Support Circuit, Fixed, 1 Channel, +2.93VV, PDSO3, SOT-23R, 3 PIN Power Supply Support Circuit, Fixed, 1 Channel, +2.93VV, PDSO3, SOT-23R, 3 PIN Power Supply Support Circuit, Fixed, 1 Channel, +4.0VV, PDSO3, SOT-23R, 3 PIN
Is it lead-free? Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to
Maker Diodes Incorporated Diodes Incorporated Diodes Incorporated
Parts packaging code SOT-23 SOT-23 SOT-23
package instruction LSSOP, TO-236 SOT-23R, 3 PIN SOT-23R, 3 PIN
Contacts 3 3 3
Reach Compliance Code compliant compliant compliant
ECCN code EAR99 EAR99 EAR99
Factory Lead Time 18 weeks 18 weeks 18 weeks
Other features ADDITIONAL THRESHOLD VOLTAGE IS 2.93 V ADDITIONAL THRESHOLD VOLTAGE IS 2.93 V ADDITIONAL THRESHOLD VOLTAGE IS 4.00 V
Adjustable threshold NO NO NO
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-G3 R-PDSO-G3 R-PDSO-G3
JESD-609 code e3 e3 e3
length 2.9 mm 2.9 mm 2.9 mm
Humidity sensitivity level 1 1 1
Number of channels 1 1 1
Number of functions 1 1 1
Number of terminals 3 3 3
Maximum operating temperature 85 °C 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSSOP LSSOP LSSOP
Encapsulate equivalent code TO-236 TO-236 TO-236
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 260 260
power supply 1.1/5.5 V 1.1/5.5 V 1.1/5.5 V
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 1.35 mm 1.35 mm 1.35 mm
Maximum supply current (Isup) 0.04 mA 0.04 mA 0.04 mA
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 1.1 V 1.1 V 1.1 V
surface mount YES YES YES
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING GULL WING
Terminal pitch 0.96 mm 0.96 mm 0.96 mm
Terminal location DUAL DUAL DUAL
Threshold voltage nominal +2.93V +2.93V +4.0V
Maximum time at peak reflow temperature NOT SPECIFIED 40 40
width 1.3 mm 1.3 mm 1.3 mm

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