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APR3001/2/3
MicroPower Microprocessor Reset Circuit
Features * * * * * *
1.2V to 6V Input Voltage Range Low Quiescent Current : less Than 1.5 A 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. Reset Timeout Period 250ms Available output configurations - Open-drain output - CMOS active high output - CMOS active low output
General Description
The APR3001/2/3 are designed to monitor voltage supplies in P and digital systems. The quiescent current is extremely low, typically 1.5 A, making it ideal for portable battery operated equipment. The APR3001/2/3 operate by monitoring the system power supply voltage. When the input voltage drops below a fixed threshold, the device asserts a reset signal for a fixed time period after Vcc rises above the fixed threshold. The APR3001/2/3 series is available with three output stage versions : APR3001 push-pull active low output, APR3002 push-pull active high output and APR3003 open drain active low output. They are also designed to reject fast line transient glitches on Vcc. The APR3001/2/3 are come in a miniature SOT-23, SOT-23-5, SOT-89 packages.
* *
SOT-23 , SOT-23-5 and SOT-89 packages No external components
Applications * * * *
Computers Cell Phones Portable Electronics P Power Supply Monitoring
Pin Configuration
V CC 3 1 2
NC NC 5 1 2 4 3
(3 0 0 1 /3 ) R e s e t G N D (3 0 0 2 ) R e s e t
(3001/3) Reset VCC GND (3002) Reset
SOT-23 (Top View)
SOT-23-5 (Top View)
1
2
3
(3001/3) Reset (3002) Reset
V CC GND
SOT-89 (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
APR3001/2/3
Ordering and Marking Information
APR3001/2/3 Lead Free Code Handling Code Temp. Range Package Code Voltage Code APR3001/2/3 A/B : 01/2/3 X X Package Code A : SOT-23 B : SOT-23-5 D : SOT-89 Temp. Range I : -40 to 85 C Handling Code TR : Tape & Reel Voltage Code : 15 : 1.5V ~ 43 : 4.38V Lead Free Code L : Lead Free Device Blank : Original Device
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 XXXXX - Date Code ; 15 - 1.5V
APR3001/2/3 -15 D :
APR3001/2/3 XXXXX 15
Absolute Maximum Ratings
Symbol VCC VRESET IMAX IRESET dVcc/dt TJ TL RTH,JA PD 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 SOT-23 SOT-23-5 SOT-89 Parameter Value -0.3 to 6 -0.3 to VCC +0.3 -0.3 to 6 20 20 100 -40 to 150 260 357 357 180 Internally Limited Unit V V mA mA V/s C C C/W W
Pin Function Descrpition
No. PIN Name RESET (APR3001/3) RESET (APR3002) GND VCC Description RESET output remains low while VCC is below the reset threshold and remains so for a fixed time period after VCC raises above the reset threshold RESET output remains high while VCC is below the reset threshold and remains so for a fixed time period after VCC raises above the reset threshold. Ground connection Supply Voltage (+1.2V to +6V)
1
2 3
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.
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APR3001/2/3
Block Diagram
Vc c
Reset Generator + Timer
RESET
Oscillator
VREF
GND
APR3001
Vc c
Reset Generator + Timer
RESET
Oscillator
VREF
GND
APR3002
Vc c
RESET
Reset Generator + Timer
Oscillator
VREF
GND
APR3003
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Copyright ANPEC Electronics Corp. Rev. A.3 - Feb., 2004
APR3001/2/3
Part Number Description
Part Number APR3001 APR3002 APR3003 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 85C unless otherwise noted. Typical values are at TA=25C, 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. APR3001/2/3 Symbol Parameter Test Conditions Unit Min. Typ. Max. VCC 1.2 6 Supply Voltage V ICC Supply Current VCC=1.5V~6V 1.5 4 A T A=-40 to 85C 3 5 T A=25C 1.5% VTH Reset Threshold T A=-40 to 85C 2% VHYST Hysteresis Range 20 mV Reset Timeout Period ms TRTP 150 250 350 VOL Reset Output Low ISINK=1.2mA 0.5 V VOH Reset Output High ISOURCE=0.6mA 0.8*VCC TD VCC to Reset Delay VCC=VTH to (VTH-100mV) 25 S ILE Reset Output Leakage 0.5 A
Application Circuit
VCC VCC
VCC
100k
VCC
VCC
VCC
APR3003 RESET
RESET P INPUT
APR3001 RESET APR3002 (RESET)
RESET P INPUT
GND
GND
GND
GND
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APR3001/2/3
Timing Chart
Reset Threshold
Reset Threshold
Vcc
(APR3002) RESET Reset Timeout Period 250ms Vcc to Reset Delay 25us
(APR3001/3) RESET
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APR3001/2/3
Typical Characteristics
Supply Current vs. Supply Voltage
2
Maximum Transient Duration vs. Reset Threshold Overdrive VTH - VCC
120
Maximum Transient Duration (us)
100
1.6
generate a reset signal
80
Supply Current (uA)
1.2
60
0.8
40
0.4
20
never generate a reset signal
0 10 100 1000
0 0 1 2 3 4 5 6
Supply Voltage (V)
Reset Threshold Overdrive VTH - VCC (mV)
Output Source Current vs. Reset High Output Voltage
70 Vcc=5V
Output Sink Current vs. Reset Low Output Voltage
50 45 Vcc=2.9V
Output Source Current (mA)
Output Sink Current (mA)
60 50 40 30 20 10 0 0 1 2 3 4 5 6 Vcc=3V
40 35 30 25 20 15 10 5 0 0 1 2 3 4 5 6 Vcc=1.5 Vcc=2V Vcc=2.5V
Vcc=4V
Reset High Output Voltage (V)
Reset Low Output Voltage (V)
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APR3001/2/3
Typical Characteristics
Normalized Reset Threshold vs. Temperature
Normalized Reset Threshold (%)
1.008 1.006 1.004 1.002 1 0.998 0.996 0.994 -40 -20 0 20 40 60 80 100 120
Reset Propagation Delay vs. Temperature
60
Reset Propagation Delay (us)
50 40 VOD=100mV 30 20 10 0 -40 -20 0 20 40 60 80 100 120
Temperature (C)
Temperature (C)
Reset Timeout Period vs. Temperature
600 500
Supply Current vs. Temperature
3.5 3
Reset Timeout Period (ms)
Supply Current (uA)
400 300 200 100 0 -40 -20 0 20 40 60 80 100 120
2.5 2 1.5 1 0.5 0 -40 -20
Vcc=5V
Vcc=3V
0
20
40
60
80
100 120
Temperature (C)
Temperature (C)
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APR3001/2/3
Typical Characteristics
Power Up
Power Down
Vcc(2V/div)
Vcc(2V/div)
RESET(2V/div)
RESET(2V/div)
Time (50ms/div)
Time (200ms/div)
Vcc to RESET Delay
Vcc(0.5V/div) Vcc=VTH to (VTH-100mV)
RESET(2V/div)
Time (10us/div)
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APR3001/2/3
Application Information
VCC Transient Rejection
The APR3001/2/3 have the function to reject the transient glitches from the power line. The Maximum Transient Duration vs. Reset Threshold Overdrive shows at Typical Characteristics.The transient voltage with the duration under the curve will not generate a reset signal, e.g. a transient of 100mV below the reset threshold voltage have the duration more than 35us, it will generate a reset signal. Connect a 0.1uF bypass capacitor to the VCC pin can improve the transient immunity.
RESET VCC VCC
GND
100K
Figure 1. Ensuring RESET Valid to VCC = 0 V
Reset Output
The APR3001/2/3 have 3 output stage versions: APR3001 is an active low push-pull output, when the VCC drops below the reset threshold, the RESET output generates a low signal. APR3002 is an active high push-pull output, when the VCC drops below the reset threshold, the RESET output generates a high signal (see Timing Chart). APR3003 is an active low open drain output, the RESET output must be connected a pull-up resistor to a supply voltage that is lower than 6V, it suits to use in multiple voltage systems (see Figure 2). The APR3001 RESET output is valid until the VCC=1.2V, below 1.2V the IC is shutdown, and the output becomes a floating state. If it is a trouble, a resistor should be connected from reset output to ground to keep the reset output low (see Figure 1). For The APR3002, a pull-up resistor to VCC is required to keep the valid reset output for VCC below 1.2V.
+3.3V
+5.0V
VCC
APR3003 RESET
VCC 100k
RESET 5V INPUT System
GND
GND
Figure 2. APR3003 Open Drain Output with Multiple Supplies
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APR3001/2/3
Packaging Information
SOT-23
D B
3 E 1 2 H
e
A
A1
L
C
D im A A1 B C D E e H L
M illim e t e rs M in . 1 .0 0 0 .0 0 0 .3 5 0 .1 0 2 .7 0 1 .4 0 1 .9 0 /2 .1 B S C 2 .4 0 0 .3 7 3 .0 0 0 .0 9 4 0 .0 1 5 M ax. 1 .3 0 0 .1 0 0 .5 1 0 .2 5 3 .1 0 1 .8 0 M in . 0 .0 3 9 0 .0 0 0 0 .0 1 4 0 .0 0 4 0 .1 0 6 0 .0 5 5
In c h e s M ax. 0 .0 5 1 0 .0 0 4 0 .0 2 0 0 .0 1 0 0 .1 2 2 0 .0 7 1 0 .0 7 5 /0 .0 8 3 B S C 0 .11 8
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APR3001/2/3
Packaging Information
SOT-23-5
e1
5
4 E1 E
1
2
3
e
b
D
A2
A
a
L1
A1
L2
L
Dim A A1 A2 b D E E1 e e1 L L1 L2 N
M illimeters M in . 0.95 0.05 0.90 0.30 2.8 2.6 1.5 0.95BSC 1.90BSC 0.35 0.20 BSC 0.5 5 0 10 0 0.7 0.020 0.55 0.014 M ax. 1.45 0.15 1.30 0.50 3.00 3.00 1.70 M in. 0.037 0.002 0.035 0.011 0.110 0.102 0.059
Inches M ax. 0.057 0.006 0.051 0.019 0.118 0.118 0.067 0.037BSC 0.074BSC 0.022 0.008 BSC 0.028 5 10
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APR3001/2/3
Packaging Information
SOT-89 (Reference EIAJ ED-7500A Reg stration SC-62)
D
D1
a E H 1 2 3
L B1 B e e1 C
A a
D im A B B1 C D D1 e e1 E H L
M illim eters M in. 1.40 0.40 0.35 0.35 4.40 1.35 1.50 B SC 3.00 B SC 2.29 3.75 0.80 2.60 4.25 1.20 10 0.090 0.148 0.031 M ax. 1.60 0.56 0.48 0.44 4.60 1.83 M in. 0.055 0.016 0.014 0.014 0.173 0.053
Inches M ax. 0.063 0.022 0.019 0.017 0.181 0.072 0.059 BSC 0.118 B SC 0.102 0.167 0.047 10
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APR3001/2/3
Physical Specifications
Terminal Material Lead Solderability Solder-Plated Copper (Solder Material : 90/10 or 63/37 SnPb), 100%Sn Meets EIA Specification RSI86-91, ANSI/J-STD-002 Category 3.
Reflow Condition
TP
(IR/Convection or VPR Reflow)
tp Critical Zone T L to T P
Ram p-up
Temperature
TL Tsm ax
tL
Tsm in Ram p-down ts Preheat
25
t 25 C to Peak
Tim e
Classificatin Reflow Profiles
Profile Feature Sn-Pb Eutectic Assembly Large Body Small Body Pb-Free Assembly Large Body Small Body 3C/second max. 150C 200C 60-180 seconds 3C/second max 217C 60-150 seconds 245 +0/-5C 250 +0/-5C 10-30 seconds 20-40 seconds
Average ramp-up rate 3C/second max. (TL to TP) Preheat - Temperature Min (Tsmin) 100C - Temperature Mix (Tsmax) 150C - Time (min to max)(ts) 60-120 seconds Tsmax to TL - Ramp-up Rate Tsmax to TL - Temperature(TL) 183C - Time (tL) 60-150 seconds Peak Temperature(Tp) 225 +0/-5C 240 +0/-5C Time within 5C of actual Peak 10-30 seconds 10-30 seconds Temperature(tp) Ramp-down Rate 6C/second max. 6 minutes max. Time 25C to Peak Temperature
Copyright ANPEC Electronics Corp. Rev. A.3 - Feb., 2004 13
6C/second max. 8 minutes max.
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Note: All temperatures refer to topside of the package. Measured on the body surface.
APR3001/2/3
Reliability test program
Test item SOLDERABILITY HOLT PCT TST ESD Latch-Up Method MIL-STD-883D-2003 MIL-STD-883D-1005.7 JESD-22-B,A102 MIL-STD-883D-1011.9 MIL-STD-883D-3015.7 JESD 78 Description 245C, 5 SEC 1000 Hrs Bias @125C 168 Hrs, 100%RH, 121C -65C~150C, 200 Cycles VHBM > 2KV, VMM > 200V 10ms, 1tr > 100mA
Carrier Tape & Reel Dimensions
t E Po P P1 D
F W
Bo
Ao
D1
Ko
T2
J C A B
T1
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APR3001/2/3
Carrier Tape & Reel Dimensions
A p p lic a t io n A 1781 S O T -2 3 F 3 .5 0 .0 5 A p p lic a t io n A 178 1 S O T -2 3 -5 F 3 .5 0 .0 5 A p p lic a t io n A 178 1 S O T -8 9 F 5 .5 0 .0 5 B 6 0 1 .0 D 1 .5 + 0 .1 B 7 2 1 .0 D 1 .5 0 .1 B 70 2 D 1 .5 0 .1 C 1 2 .0 D1 0 .1 M IN C 1 3 .0 + 0 .2 D1 1 .5 0 .1 C 1 3 .5 0 .1 5 D1 1 .5 0 .1 J T1 T2 1 .4 Ao 3 .1 T2 1 .5 0 .3 Ao 2 .5 0 .1 5 9 .0 0 .5 Po 4 .0 J 2 .5 0 .1 5 Po 4 .0 0 .1 J 3 0 .1 5 Po 4 .0 0 .1 P1 2 .0 0 .0 5 T1 8 .4 2 P1 W 8 .0 + 0 .3 - 0 .3 Bo 3 .0 W 8 .0 0 .3 Bo 3 .2 0 .1 W 1 2 + 0 .3 1 2 - 0 .1 Bo 4 .5 0 .1 P 4 .0 Ko 1 .3 P 4 0 .1 Ko 1 .4 0 .1 P 8 0 .1 Ko E 1 .7 5 t 0 .2 0 .0 3 E 1 .7 5 0 .1 t 0 .2 0 .0 3 3 E 1 .7 5 0 .1 t
2 .0 0 .1 3 .1 5 0 .1 T1 14 2 P1 2 .0 0 .1 T2 1 .3 0 .3 Ao 4 .8 0 .1
1 .8 0 0 .1 0 .3 0 .0 1 3
(mm)
Cover Tape Dimensions
Application SOT- 23 SOT- 23-5 SOT- 89 Carrier Width 8 8 12 Cover Tape Width 5.3 5.3 9.3 Devices Per Reel 3000 3000 1000
Customer Service
Anpec Electronics Corp. Head Office : 5F, No. 2 Li-Hsin Road, SBIP, Hsin-Chu, Taiwan, R.O.C. Tel : 886-3-5642000 Fax : 886-3-5642050 Taipei Branch : 7F, No. 137, Lane 235, Pac Chiao Rd., Hsin Tien City, Taipei Hsien, Taiwan, R. O. C. Tel : 886-2-89191368 Fax : 886-2-89191369
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