ADM6318AX49ARJ-RL [ADI]
IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, MO-178AA, SOT-23, 5 PIN, Power Management Circuit;
| 型号： | ADM6318AX49ARJ-RL |
| 厂家： | 
ADI |
| 描述： | IC 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO5, MO-178AA, SOT-23, 5 PIN, Power Management Circuit 光电二极管 |
| 文件： | 总11页 (文件大小：255K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PRELIMINARY TECHNICAL DATA
Supervisory Circuits with Watchdog
and Manual Reset in 5-Lead SOT-23
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
FEATURES
FUNCTIONAL BLOCK DIAGRAM
26 reset threshold options:
2.5 V to 5 V in 100 mV increments
4 reset timeout options:
ADM6316
V
CC
1 ms, 20 ms, 140 ms, and 1120 ms (Min)
4 watchdog timeout options:
6.3 ms, 102 ms, 1600 ms, and 25.6s (Typ)
Manual reset input
V
CC
RESET
RESET
GENERATOR
V
REF
DEBOUNCE
MR
Reset output stages:
WATCHDOG
DETECTOR
Push-pull active-low
Open-drain active-low
Push-pull active-high
GND
WDI
Low power consumption (3 µA)
Guaranteed reset output valid to VCC = 1 V
Power supply glitch immunity
Specified over industrial temperature range
5-lead SOT-23 package
Figure 1.
APPLICATIONS
Microprocessor systems
Computers
Controllers
Intelligent instruments
Portable equipment
GENERAL DESCRIPTION
The ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/
ADM6321/ADM6322 are supervisory circuits which monitor
power supply voltage levels and code execution integrity in
microprocessor-based systems. As well as providing power on
reset signals, an on-chip watchdog timer can reset the
Each part is available in a choice of 26 reset threshold options
ranging from 2.5 V to 5 V in 100 mV increments. There are also
four reset timeout options of 1 ms, 20 ms, 140 ms, and 1120 ms
(min) and four watchdog timeout options of 6.3 ms, 102 ms,
1600 ms, and 25.6s (typ).
microprocessor if it fails to strobe within a preset timeout
period. A reset signal can also be asserted by means of an
external push-button, through a manual reset input. The seven
parts feature different combinations of watchdog input, manual
reset input and output stage configuration, as shown in Table 1.
The ADM6316-ADM6322 are available in 5-lead SOT-23
packages and typically consume only 3 µA, making them
suitable for use in low power portable applications.
Table 1. Selection Table
Output Stage
RESET
RESET
Part No.
Watchdog
Manual Reset
ADM6316
ADM6317
ADM6318
ADM6319
ADM6320
ADM6321
ADM6322
Yes
Yes
Yes
–
Yes
Yes
–
Push-Pull
–
–
Push-Pull
Push-Pull
Push-Pull
–
Push-Pull
Push-Pull
Open-Drain
Open-Drain
Open-Drain
Yes
Yes
-
Yes
Yes
–
Push-Pull
Push-Pull
Yes
Rev.PrC
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.326.8703
www.analog.com
© 2004 Analog Devices, Inc. All rights reserved.
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
ESD Caution.................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ..............................................7
Outline Dimensions....................................................................... 10
Ordering Guide .......................................................................... 11
Rev.PrC | Page 2 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
SPECIFICATIONS
VCC = full operating range, TA = TMIN to TMAX, unless otherwise noted.
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY
VCC Operating Voltage Range
Supply Current
1
5.5
20
12
V
µA
µA
10
5
VCC = 5.5 V
VCC = 3.6 V
RESET THRESHOLD VOLTAGE
VTH
1.5%
VTH
−
VTH
VTH
VTH
1.5%
VTH
+
V
V
TA = +25°C
−
+
TA = −40°C to +85°C
2.5%
2.5%
RESET THRESHOLD TEMPERATURE COEFFICIENT
RESET THRESHOLD HYSTERESIS
RESET TIMEOUT PERIOD
ADM63__A
ADM63__B
ADM63__C
40
3
ppm/°C
mV
1
20
140
1120
1.4
28
200
1600
40
2
40
280
2240
ms
ms
ms
ms
µs
ADM63__D
VCC TO RESET DELAY
VCC falling at 1 mV/µs
PUSH-PULL OUTPUT (ADM6316, ADM6317, ADM6318,
ADM6319, ADM6321, ADM6322)
RESET
0.3
0.3
0.3
0.4
V
V
V
V
V
VCC> = 1.0 V, ISINK = 50 µA
VCC> = 1.2 V, ISINK = 100 µA
VCC> = 2.7 V, ISINK = 1.2 mA
VCC> = 4.5 V, ISINK = 3.2 mA
VCC> = 2.7 V, ISOURCE = 500 µA
VCC> = 4.5 V, I SOURCE = 800 µA
Output Voltage
0.8 × VCC
VCC − 1.5
V
RESET
5
25
ns
From 10% to 90% VCC, CL = 5 pF,
VCC = 3.3 V
Rise Time
RESET Output Voltage
0.3
0.4
V
V
V
V
VCC > = 2.7 V, ISINK = 1.2 mA
VCC > = 4.5 V, ISINK = 3.2 mA
VCC > = 1.8 V, ISOURCE = 150 µA
VCC > = 2.7 V, ISOURCE = 500 µA
VCC > = 4.5 V, I SOURCE = 800 µA
0.8 × VCC
0.8 × VCC
VCC – 1.5
OPEN-DRAIN OUTPUT (ADM6320, ADM6321,
ADM6322)
RESET
0.3
0.3
0.3
0.4
1
V
VCC > = 1.0 V, ISINK = 50 µA
Output Voltage
V
V
V
µA
VCC > = 1.2 V, ISINK = 100 µA
VCC > = 2.7 V, ISINK = 1.2 mA
VCC > = 4.5 V, ISINK = 3.2 mA
Open-Drain Reset Output Leakage Current
WATCHDOG INPUT (ADM6316, ADM6317, ADM6318,
ADM6320, ADM6321)
Watchdog Timeout Period
4.3
71
1.12
17.9
50
6.3
102
1.6
9.3
153
2.4
ms
ms
s
s
ns
ADM63___W
ADM63___X
ADM63___Y
ADM63___Z
25.6
38.4
WDI Pulse Width
VIL = 0.3 × VCC, VIH = 0.7 × VCC,
Rev.PrC | Page 3 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
Parameter
Min
Typ
Max
Unit
V
Test Conditions/Comments
WDI Input Threshold
0.3 × VCC
0.7 × VCC
160
V
µA
µA
WDI Input Current
120
−15
VWDI = VCC, time average
VWDI = 0, time average
−20
MANUAL RESET INPUT (ADM6316, ADM6317,
ADM6319, ADM6320, ADM6322)
MR
0.8
V
VTH > 4.0 V
VTH > 4.0 V
VTH <4.0 V
VTH < 4.0 V
Input Threshold
2.0
V
V
V
µs
ns
0.3 × VCC
1
0.7 × VCC
MR
MR
MR
MR
Input Pulse Width
Glitch Rejection
Pull-up Resistance
to Reset Delay
100
52
35
75
k⍀
ns
230
VCC = 5V
Rev.PrC | Page 4 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
ABSOLUTE MAXIMUM RATINGS
TA = 25°C, unless otherwise noted.
Table 3.
Parameter
VCC
Rating
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or
any other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
–0.3 V to +6 V
–0.3 V to +6 V
20 mA
RESET
(ADM6320, ADM6321, ADM6322)
RESET
Output Current (RESET,
)
Operating Temperature Range
Storage Temperature Range
θJA Thermal Impedance, SOT-23
Lead Temperature
–40°C to +85°C
–65°C to +125°C
270°C/W
Soldering (10 sec)
Vapour Phase (60 sec)
Infrared (15 sec)
300°C
215°C
220°C
ESD CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the
human body and test equipment and can discharge without detection. Although this product features
proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy
electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance
degradation or loss of functionality.
Rev.PrC | Page 5 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
RESET
GND
MR
1
2
3
5
V
RESET
GND
MR
1
2
3
5
V
CC
CC
ADM6316/
ADM6320
ADM6317
TOP VIEW
(Not to Scale)
TOP VIEW
(Not to Scale)
4
WDI
4
WDI
Figure 2. ADM6316/ADM6320 Pin Configuration
Figure 3. ADM6317 Pin Configuration
RESET
GND
1
2
3
5
V
RESET
GND
1
2
3
5
V
CC
CC
ADM6318/
ADM6321
ADM6319/
ADM6322
TOP VIEW
TOP VIEW
(Not to Scale)
(Not to Scale)
RESET
4
WDI
RESET
4
MR
Figure 4. ADM6318/ADM6321 Pin Configuration
Figure 5. ADM6319/ADM6322 Pin Configuration
Table 4. Pin Function Descriptions
Pin No.
Mnemonic
Description
1
RESET
Active-Low Reset Output. Asserted whenever VCC is below the reset threshold, VTH
Push-Pull Output Stage for the ADM6316/ADM6318/ADM6319.
Open-Drain Output Stage for the ADM6320/ADM6321/ADM6322.
Active-High, Push-Pull Reset Output.
.
(ADM6316/ADM6318/
ADM6319/ADM6320/ADM6321/
ADM6322)
RESET (ADM6317)
GND
2
3
Ground.
MR
Manual Reset Input. This is an active-low input which, when forced low for at least 1 µs,
generates a reset. It features a 52 k⍀ internal pull-up.
(ADM6316/ADM6317/
ADM6320)
RESET (ADM6318/ADM6319/
ADM6321/ADM6322)
Active-High, Push-Pull Reset Output.
4
5
WDI
Watchdog Input. Generates a reset if the logic level on the pin remains low or high for
the duration of the watchdog timeout. The timer is cleared if a logic transition occurs on
this pin or if a reset is generated. Leave floating to disable the watchdog timer.
(ADM6316/ADM6317/
ADM6318/ADM6320/ADM6321)
MR
VCC
Manual Reset Input.
(ADM6319/ADM6322)
Power Supply Voltage Being Monitored.
Rev.PrC | Page 6 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
TYPICAL PERFORMANCE CHARACTERISTICS
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
100
90
80
70
60
50
40
30
20
10
0
V
= 5V
CC
V
= 3V
CC
V
= 1.5V
40
CC
–40
–20
0
20
60
80
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 6. Supply Current vs. Temperature
(ADM6316/ADM6317/ADM6318/ADM6320/ADM6321)
Figure 9. VCC Falling to Reset Propagation Delay vs. Temperature
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
340
320
300
280
260
240
220
200
180
160
140
120
100
0
–40
–20
0
20
40
60
80
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
(V)
TEMPERATURE (°C)
V
CC
Figure 10. Manual Reset to Reset Propagation Delay vs. Temperature
(ADM6316/ADM6317/ADM6319/ADM6320/ADM6322)
Figure 7. Supply Current vs. Supply Voltage
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
0.80
–40
–20
0
20
40
60
80
–40
–20
0
20
40
60
80
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 8. Normalized Reset Threshold vs. Temperature
Figure 11. Normalized Reset Timeout Period vs. Temperature
Rev.PrC | Page 7 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
1.20
1.15
1.10
1.05
1.00
0.95
0.90
190
180
170
160
150
140
130
120
110
100
–40
–20
0
20
40
60
80
–50
0
50
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 12. Normalized Watchdog Timeout Period vs. Temperature
(ADM6316/ADM6317/ADM6318/ADM6320/ADM6321)
Figure 14. Manual Reset Minimum Pulse Width vs. Temperature
(ADM6316/ADM6317/ADM6319/ADM6320/ADM6322)
160
140
120
100
3.8
3.6
3.4
NEGATIVE PULSE
3.2
3.0
2.8
2.6
V
= 4.9V
TH
80
60
40
20
0
POSITIVE PULSE
10
2.4
2.2
2.0
V
= 2.93V
TH
10
100
1000
–40
60
OVER DRIVE VOD (mV)
TEMPERATURE (°C)
Figure 13. Maximum VCC Transient Duration vs. Reset Threshold Overdrive
Figure 15. Watchdog Input Minimum Pulse Width vs. Temperature
(ADM6316/ADM6317/ADM6318/ADM6320/ADM6321)
Rev.PrC | Page 8 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
Table 5. Reset Threshold Options
TA = +25°C
Typ
TA = −40°C to +85°C
Part No.
Min
Max
5.075
4.974
4.872
4.771
4.699
4.568
4.446
4.365
4.263
4.162
4.060
3.959
3.857
3.756
3.654
3.553
3.451
3.350
3.248
3.126
3.045
2.974
2.842
2.741
2.669
2.538
Min
Max
5.125
5.023
4.920
4.818
4.746
4.613
4.490
4.408
4.305
4.203
4.100
3.998
3.895
3.793
3.690
3.588
3.485
3.383
3.280
3.157
3.075
3.000
2.870
2.768
2.696
2.563
ADM63 _ _ _ 50
ADM63 _ _ _ 49
ADM63 _ _ _ 48
ADM63 _ _ _ 47
ADM63 _ _ _ 46
ADM63 _ _ _ 45
ADM63 _ _ _ 44
ADM63 _ _ _ 43
ADM63 _ _ _ 42
ADM63 _ _ _ 41
ADM63 _ _ _ 40
ADM63 _ _ _ 39
ADM63 _ _ _ 38
ADM63 _ _ _ 37
ADM63 _ _ _ 36
ADM63 _ _ _ 35
ADM63 _ _ _ 34
ADM63 _ _ _ 33
ADM63 _ _ _ 32
ADM63 _ _ _ 31
ADM63 _ _ _ 30
ADM63 _ _ _ 29
ADM63 _ _ _ 28
ADM63 _ _ _ 27
ADM63 _ _ _ 26
ADM63 _ _ _ 25
4.925
4.827
4.728
4.630
4.561
4.433
4.314
4.236
4.137
4.039
3.940
3.842
3.743
3.645
3.546
3.448
3.349
3.251
3.152
3.034
2.955
2.886
2.758
2.660
2.591
2.463
5.000
4.900
4.800
4.700
4.630
4.500
4.390
4.300
4.200
4.100
4.00
3.900
3.800
3.700
3.600
3.500
3.400
3.300
3.200
3.080
3.000
2.930
2.800
2.700
2.630
2.500
4.875
4.778
4.680
4.583
4.514
4.388
4.270
4.193
4.095
3.998
3.900
3.803
3.705
3.608
3.510
3.413
3.315
3.218
3.120
3.003
2.925
2.857
2.730
2.633
2.564
2.438
Table 6. Reset Timeout Options
Table 7. Watchdog Timer Operations
Suffix
Min
Typ
Max
2
40
280
2.24
Unit
ms
ms
ms
s
Suffix
Min
Typ
Max
9.3
153
2.24
38.4
Unit
A
B
C
D
1
20
140
1.12
1.6
30
200
1.60
W
X
Y
4.3
71
1.12
17.9
6.3
102
1.6
ms
ms
s
Z
25.6
s
Table 8. Standard Models
Model
Reset Threshold (V)
Minimum Reset Timeout (ms)
Typical Watchdog Timeout (s)
ADM6316CY29ARJ
ADM6316CY46ARJ
ADM6318CY46ARJ
ADM6319C46ARJ
ADM6320CY29ARJ
ADM6320CY46ARJ
ADM6321CY46ARJ
ADM6322C46ARJ
2.93
4.63
4.63
4.63
2.93
4.63
4.63
4.63
140
140
140
140
140
140
140
140
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
Rev.PrC | Page 9 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
OUTLINE DIMENSIONS
2.90 BSC
5
4
3
2.80 BSC
1.60 BSC
2
PIN 1
0.95 BSC
1.90
BSC
1.30
1.15
0.90
1.45 MAX
0.22
0.08
10°
5°
0.15 MAX
0.50
0.30
0.60
0.45
0.30
SEATING
PLANE
0°
COMPLIANT TO JEDEC STANDARDS MO-178AA
Figure 16. 5-Lead Small Outline Transistor Package [SOT-23]
(RJ-5)
Dimensions shown in millimeters
Rev.PrC | Page 10 of 11
PRELIMINARY TECHNICAL DATA
ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
ORDERING GUIDE
ADM63__ __ __ __ A RJ - __
Generic No.
(16 - 22)
Ordering Quantity:
RL7: 10,000 piece Reel
RL: 3,000 piece Reel
Reset Timeout Period
A: 1ms (min)
B: 20ms (min)
C: 140ms (min)
D: 1120ms (min)
Package Code:
RJ: 5-Lead SOT-23
Watchdog Timeout Period
W: 6.3ms (typ)
X: 102ms (typ)
Temperature Range:
Y: 1.6s (typ)
Z: 25s (typ)
A: -40°C to +85°C
Reset Threshold No.
25 - 50)
(
Figure 17. Ordering Code Structure
Model12
Temperature Range
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
−40°C to +85°C
Quantity
Package Option
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
SOT-23-5
Branding
N00
N01
N02
N03
N04
N05
N06
ADM6316 _ _ __ ARJ-RL7
ADM6317 _ _ __ ARJ-RL7
ADM6318 _ _ __ ARJ-RL7
ADM6319 _ __ ARJ-RL7
ADM6320 _ _ __ ARJ-RL7
ADM6321 _ _ __ ARJ-RL7
ADM6322 _ __ ARJ-RL7
3k
3k
3k
3k
3k
3k
3k
1 Complete the ordering code by inserting reset timeout, watchdog timeout (ADM6316/17/18/20/21) and reset threshold suffixes from tables 5 to 7.
2 Contact the factory for the availability of nonstandard models. See Table 8 for a list of standard models.
©
2004 Analog Devices, Inc. All rights reserved. Trademarks and
registered trademarks are the property of their respective owners.
PR04533-0-6/04(PrC)
Rev.PrC | Page 11 of 11
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