APR3102 Datasheet PDF - ANPEC

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APR3102
ANPEC

Part Number APR3102
Description (APR3101 - APR3103) MicroPower Microprocessor Reset Circuit
Page 14 Pages


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APR3101/2/3
MicroPower Microprocessor Reset Circuit with Manual Reset
Features
General Description
1.2V to 6V Input Voltage Range
Low Quiescent Current : less Than 1.5 µA
High accuracy detection threshold : ±1.5%
Fixed trimmed reset thresholds for 1.5V, 1.75V,
2.32V, 2.63V, 2.93V, 3.08V, 3.9V, 4.38V.
Manual Reset Input
Reset Timeout Period 250ms
Available output configurations
- Open-drain output
- CMOS active high output
- CMOS active low output
SOT-23-5 package
No external components
Applications
Computers
Cell Phones
Portable Electronics
µP Power Supply Monitoring
The APR3101/2/3 are designed to monitor voltage
supplies in µP and digital systems. The quiescent
current is extremely low, typically 1.5 µA, making it
ideal for portable battery operated equipment. The
APR3101/2/3 operate by monitoring the system power
supply voltage. When the input voltage drops below a
fixed threshold or whenever manual reset is asserted,
the device asserts a reset signal for a fixed time pe-
riod after Vcc rises above the fixed threshold or manual
reset is deasserted. The APR3101/2/3 series is avail-
able with three output stage versions:APR3101 push-
pull active low output, APR3102 push-pull active high
output and APR3103 open drain active low output. The
APR3101/2/3 also have a debounced manual reset
input that is provided to override the reset monitor.
They are also designed to reject fast line transient
glitches on Vcc. The APR3101/2/3 are come in a
miniature SOT-23-5 package.
Pin Configuration
VCC MR
54
123
GND NC Reset (3101/3)
Reset (3102)
SOT-23-5 (Top View)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright ANPEC Electronics Corp.
Rev. A.3 - Feb., 2004
1
www.anpec.com.tw
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APR3101/2/3
Ordering and Marking Information
APR3101/2/3 -
Lead Free C°ode
Handling Code
Temp. Range
Package Code
Voltage Code
Package Code
B : SOT-23-5
Temp. Range
I : -40 to 85°C
Handling Code
TR : Tape & Reel
Voltage Code :
15 : 1.5V ~ 50 : 5.0V
Lead Free Code
L : Lead Free Device
Blank : Original Device
APR3101/2/3 B : A1/2/3 X X Date Code
Voltage Code A:1.5V B:1.75V C:2.32V D:2.63V E:2.93V F:3.08V G:3.9V H:4.38V
Absolute Maximum Ratings
Symbol
VCC
VRESET
ICC, IMR
IRESET
dVcc/dt
TJ
TL
RTH,JA
PD
TSTG
Parameter
VCC to GND
RESET to GND (Push-Pull Output)
RESET to GND (Open Drain Output)
Maximum Continuous Input Current
RESET/RESET Current
Rate of Rise of VCC
Junction Temperature Range
Lead Temperature (Soldering, 10 second)
Thermal Resistance – Junction to Ambient
Power Dissipation
Storage Temperature Range
Pin Function Descrpition
Value
-0.3 to 6
-0.3 to VCC +0.3
-0.3 to 6
20
20
100
-40 to 150
260
357
Internally Limited
-65 to +150
Unit
V
V
mA
mA
V/µs
°C
°C
°C/W
W
°C
PIN
No. Name
Description
1 GND Ground connection
2 NC No internal connection
RESET RESET output remains low while VCC is below the reset threshold and remains
(APR3101/3) so for a fixed time period after VCC raises above the reset threshold.
3
RESET RESET output remains high while VCC is below the reset threshold and remains
(APR3102) so for a fixed time period after VCC raises above the reset threshold.
Manual Reset active low input. A logic low signal on MR asserts a reset
4 MR condition. Asserted reset continues as long as MR is low and for a fixed time
period after MR returns high.
5 VCC Supply Voltage (+1.2V to +6V)
Note: The pin sequence here might not be correct for all different package types, and please refer pin
configuration in page1 for correct pin assignment.
Copyright ANPEC Electronics Corp.
Rev. A.3 - Feb., 2004
2
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/



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APR3101/2/3
Block Diagram
Vc c
MR
VREF
GND
Vc c
Reset
Generator
+ Timer
Oscillator
AP R 31 01
MR
VREF
GND
Vc c
Reset
Generator
+ Timer
Oscillator
AP R 31 02
MR
VREF
GND
Copyright ANPEC Electronics Corp.
Rev. A.3 - Feb., 2004
Reset
Generator
+ Timer
Oscillator
AP R 31 03
3
RESET
RESET
RESET
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APR3101/2/3
Part Number Description
Part Number
APR3101
APR3102
APR3103
Part Description
Reset Output Push Pull Active Low with Delay
Reset Output Push Pull Active High with Delay
Reset Output Open Drain Active Low with Delay
Electrical Characteristics
VIN = 5V, TA = -40 to 85°C unless otherwise noted. Typical values are at TA=25°C, VCC = 5V for 4.38V
versions, VCC = 3.3V for 3.08/2.93V versions, VCC = 3.0V for 2.63V. versions and VCC = 2.5V for 2.32V
versions, VCC = 2.0V for 1.75V versions , VCC = 1.8V for 1.5V versions.
Symbol
Parameter
Test Conditions
APR3101/2/3
Unit
Min. Typ. Max.
VCC Supply Voltage
ICC Supply Current
VTH
VHYST
TRTP
VOL
VOH
TD
ILE
TMPW
TMRD
VMIL
VMIH
RMR
Reset Threshold
Hysteresis Range
Reset Timeout Period
Reset Output Low
Reset Output High
VCC to Reset Delay
Reset Output Leakage
MR Minimum Pulse Width
MR to Reset Delay
MR Input Low Threshold
MR Input High Threshold
MR Pull-Up resistance
VCC=1.5V~6V
T A=-40 to 85°C
T A=25°C
T A=-40 to 85°C
ISINK=1.2mA
ISOURCE=0.6mA
VCC=VTH to (VTH-100mV)
1.2
150
0.8*VCC
10
0.5* VCC
30
1.5
3
±1.5%
±2%
20
250
25
0.5
47
6
4
5
350
0.5
0.5
0.4* VCC
70
V
µA
mV
ms
V
µS
µA
µS
µS
V
K
Application Circuit
VCC
VCC
VCC
APR3103 RESET
GND
100k
VCC
RESET µP
INPUT
GND
VCC
APR3101 RESET
APR3102 (RESET)
GND
VCC
RESET µP
INPUT
GND
Copyright ANPEC Electronics Corp.
Rev. A.3 - Feb., 2004
4
www.anpec.com.tw
Free Datasheet http://www.datasheet4u.com/



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