STM1061NXXWX6F [STMICROELECTRONICS]
Low Power Voltage Detector; 低功耗电压检测器
| 型号： | STM1061NXXWX6F |
| 厂家： | 
ST |
| 描述： | Low Power Voltage Detector |
| 文件： | 总23页 (文件大小：194K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
STM1061
Low Power Voltage Detector
Figure 1.
Packages
Features
■ Factory-trimmed Voltage Thresholds in 0.1V
Increments from 1.6 to 5.5V
■ ±2% Voltage Threshold Accuracy
■ Operating Voltage 0.7 to 6.0V
■ Open Drain Output
SOT23-3 (WX)
■ Low Supply Current of 0.9µA (typ)
■
Guaranteed OUT Assertion Down to V = 0.7V
CC
■ Power Supply Transient Immunity
■ Available in SOT23-3 and SOT323-3 (SC70-3)
packages
SOT323-3, SC70-3 (W) (1)
■ Operating Temperature –40 to 85°C.
1. Contact local sales office for availability.
July 2006
Rev 4
1/23
www.st.com
1
Contents
STM1061
Contents
1
2
Summary Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
2.2
2.3
OUT (Open Drain) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
V
V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
CC
SS
3
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1
3.2
Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Negative-Going V Transients and Undershoot . . . . . . . . . . . . . . . . . . . . 8
CC
4
5
6
7
8
9
Typical Operating Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Maximum Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DC and AC Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Package Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Part Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
2/23
STM1061
List of tables
List of tables
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Signal Names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operating and AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
DC and AC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
SOT23-3 – 3-lead Small Outline Transistor Package Mechanical Data . . . . . . . . . . . . . . . 18
SOT323-3 (SC70-3) – 3-lead Small Outline Transistor Package Mechanical Data . . . . . . 19
Ordering Information Scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Factory-Trimmed Thresholds with Marking Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3/23
List of figures
STM1061
List of figures
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Logic Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SOT23-3 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SOT323-3 (SC70-3) Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
N-Channel Open Drain Output Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
STM1061N Active-Low, Open Drain Hardware Hookup. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Supply Current vs. Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Supply Current vs. Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Output Detect Delay Time vs. Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 10. Output Release Delay Time vs. Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 11. Maximum Transient Duration vs. Reset Threshold Overdrive . . . . . . . . . . . . . . . . . . . . . . 11
Figure 12. Detect, Release Voltage vs. Ambient Temperature for V
= 3.4V . . . . . . . . . . . . . . . . . 11
TH–
Figure 13. N-channel Driver Output Current vs. V
DS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Figure 14. N-channel Driver Output Current vs. Input Voltage for V = 0.5V . . . . . . . . . . . . . . . . . . 12
DS
Figure 15. AC Testing Input/Output Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 16. Voltage Timing Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 17. SOT23-3 – 3-lead Small Outline Transistor Package Outline. . . . . . . . . . . . . . . . . . . . . . . 17
Figure 18. SOT323-3 (SC70-3) – 3-lead Small Outline Transistor Package Outline. . . . . . . . . . . . . . 19
4/23
STM1061
Summary Description
1
Summary Description
The STM1061 low power voltage detector provides monitoring of battery, power-supply, and
regulated system voltages. A precision voltage reference and comparator monitors the V
CC
input and compares it with a specified voltage threshold condition. When V
falls below a
CC
specified trip point threshold, the output (OUT) is forced low and remains asserted as long
as the V input remains below V + hysteresis (V ). The STM1061 device is
CC
TH–
HYST
guaranteed to output the correct logic state for V down to 0.7V. They are also designed to
CC
ignore fast transients on V
.
CC
This small, low power device is ideal for portable applications and is available in space-
saving SOT23-3 and SOT323-3 (SC70-3) packages.
Figure 2.
Logic Diagram
V
CC
STM1061
OUT
V
SS
AI10477
Table 1.
OUT
Signal Names
Open Drain Active-Low Output
Supply Voltage
V
CC
V
Ground
SS
Figure 3.
SOT23-3 Connections
1
2
OUT
V
3
CC
V
SS
AI10478
5/23
Summary Description
Figure 4.
STM1061
SOT323-3 (SC70-3) Connections
V
1
2
SS
OUT
V
3
CC
AI10479
Figure 5.
N-Channel Open Drain Output Block Diagram
V
CC
OUT
R1
+
–
V
REF
R2
R3
V
SS
AI10482
Figure 6.
STM1061N Active-Low, Open Drain Hardware Hookup
DC/DC
Converter
Regulated 3V
V
V
OUT
IN
V
SS
R
V
CC
+
3.6V
STM1061N
(Open Drain)
MCU
V
OUT
V
OUT
Suspend
CC
V
V
SS
SS
AI10484a
6/23
STM1061
Pin Descriptions
2
Pin Descriptions
See Figure 2 on page 5 and Table 1 on page 5 for a brief overview of the signals connected
to this device.
2.1
OUT (Open Drain)
This is the Open Drain Output. It goes low when V drops below V
, and remains low as
CC
TH–
long as V
is below V
+ V
.
CC
TH–
HYST
2.2
2.3
VCC
This is the Supply voltage and input for the Voltage Detector.
VSS
Ground, V , is the reference for the power supply. It must be connected to the system
SS
ground.
Table 2.
Pin Functions
Pin
Name
Function
SOT323-3
(SC70-3)
SOT23-3
1
3
2
2
3
1
OUT Active-Low Open Drain Output
V
Supply Voltage
Ground
CC
V
SS
7/23
Operation
STM1061
3
Operation
3.1
Output
The STM1061 Voltage Detector monitors system voltages from 1.6 to 5V in 100mV
increments. The detector is designed to ignore fast transients on V and has a voltage
CC
hysteresis (V
). The STM1061 asserts an output signal (OUT) whenever V goes
HYST
CC
below the Voltage Detect Threshold (V
). The output signal (OUT) stays asserted until
TH–
V
goes above the Voltage Detect Release (V
). Output voltage (V
) is guaranteed
CC
TH+
OUT
valid down to V
=0.7V at 25°C.
CC
The STM1061has an open drain active-low output which will sink current when output is
asserted. Connect a pull-up resistor from OUT to any supply voltage up to 6V (see Figure 6
on page 6). Select a resistor value large enough to register a logic low, and small enough to
register a logic high while all of the input current and leakage paths connected to the reset
output line are being supplied. A 10k pull-up is sufficient in most applications.
The advantages of open drain output is the ability to connect more open drain outputs in
parallel (wired OR connections) as well as connect the output to a power supply voltage
different from V
.
CC
3.2
Negative-Going VCC Transients and Undershoot
The STM1061 device is relatively immune to negative-going V
transients (glitches). The
CC
graph (see Figure 11 on page 11) indicates the maximum pulse width a negative V
CC
transient can have without causing a reset pulse. As the magnitude of the transient
increases (further below the threshold), the maximum allowable pulse width decreases. Any
combination of duration and overdrive which lies under the curve will NOT generate a reset
signal.
A 0.1µF bypass capacitor mounted as close as possible to the V pin provides additional
CC
transient immunity.
8/23
STM1061
Typical Operating Characteristics
4
Typical Operating Characteristics
Figure 7.
Supply Current vs. Input Voltage
1400
1200
1000
800
600
400
200
0
Temp = –40°C
Temp = 25°C
Temp = 85°C
0
1
2
3
4
5
6
V
(V)
CC
AI11119b
Figure 8.
Supply Current vs. Ambient Temperature
1250
1000
750
500
250
0
V
V
V
= 5V
= 3V
= 2V
CC
CC
CC
-40
-20
0
20
40
60
80
Ambient Temperature (°C)
AI11120b
9/23
Typical Operating Characteristics
STM1061
Figure 9.
Output Detect Delay Time vs. Ambient Temperature
35.00
30.00
25.00
20.00
15.00
10.00
5.00
V
= 3.4V
TH–
V
= 1.6V
TH–
0.00
–40
–20
0
20
40
60
80
Ambient Temperature:T (°C)
A
AI11121b
Figure 10. Output Release Delay Time vs. Ambient Temperature
50.00
45.00
40.00
35.00
30.00
25.00
20.00
15.00
10.00
5.00
V
TH+
= 3.57V
V
= 1.68V
TH+
0.00
–40
–20
0
20
40
60
80
Ambient Temperature:T (°C)
A
AI11122b
10/23
STM1061
Typical Operating Characteristics
Figure 11. Maximum Transient Duration vs. Reset Threshold Overdrive
160
140
V
V
= 3.4V
= 1.6V
TH–
TH–
120
100
80
60
40
20
0
1
10
100
1000
10000
Threshold Overdrive (mV)
AI11123b
1. Reset occurs above the curve.
Figure 12. Detect, Release Voltage vs. Ambient Temperature for V
= 3.4V
TH–
3.6
3.5
Detect Voltage, V
TH–
Release Voltage, V
TH+
3.4
3.3
–40
–20
0
20
40
60
80
Ambient Temperature (°C)
AI11124b
11/23
Typical Operating Characteristics
STM1061
Figure 13. N-channel Driver Output Current vs. V
DS
0.06
V
V
V
V
= 3.3V
= 3.0V
= 2.7V
= 2.1V
= 1.5V
= 1.0V
CC
CC
CC
CC
0.05
0.04
0.03
0.02
0.01
0
V
V
CC
CC
0
0.25
0.5
0.75
1
1.25
1.5
Output Voltage:V
DS
(V)
AI11125b
Figure 14. N-channel Driver Output Current vs. Input Voltage for V = 0.5V
DS
30
25
Temp. (25°C)
20
15
10
5
Temp. (85°C)
Temp. (–40°C)
0
0
0.5
1
1.5
2
2.5
3
Input Voltage:V
CC
(V)
AI11126b
12/23
STM1061
Maximum Rating
5
Maximum Rating
Stressing the device above the rating listed in the Table 3: Absolute Maximum Ratings may
cause permanent damage to the device. These are stress ratings only and operation of the
device at these or any other conditions above those indicated in the Operating sections of
this specification is not implied. Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability. Refer also to the STMicroelectronics SURE
Program and other relevant quality documents.
Table 3.
Symbol
Absolute Maximum Ratings
Parameter
Value
Unit
T
Storage Temperature (V Off, V Off)
BAT
–55 to 150
260
°C
°C
V
STG
(1)
CC
T
Lead Solder Temperature for 10 seconds
Input or Output Voltage
Supply Voltage
SLD
V
–0.3 to V +0.3
IO
CC
V
–0.3 to 7.0
20
V
CC
I
Output Current
mA
mW
O
P
Power Dissipation
320
D
1. Reflow at peak temperature of 260°C (total thermal budget not to exceed 245°C for greater than 30
seconds).
13/23
DC and AC Parameters
STM1061
6
DC and AC Parameters
This section summarizes the operating measurement conditions, and the DC and AC
characteristics of the device. The parameters in the DC and AC characteristics Tables that
follow, are derived from tests performed under the Measurement Conditions summarized in
Table 4: Operating and AC Measurement Conditions. Designers should check that the
operating conditions in their circuit match the operating conditions when relying on the
quoted parameters.
Table 4.
Sym
Operating and AC Measurement Conditions
Parameter
STM1061
Unit
V
Supply Voltage
0.7 to 6.0
–40 to 85
≤05
V
°C
ns
V
CC
T
Ambient Operating Temperature
Input Rise and Fall Times
Input Pulse Voltages
A
0.2 to 0.8V
CC
CC
Input and Output Timing Ref. Voltages
0.3 to 0.7V
V
Figure 15. AC Testing Input/Output Waveforms
0.8V
CC
0.7V
CC
0.3V
CC
0.2V
CC
AI02568
14/23
STM1061
DC and AC Parameters
Figure 16. Voltage Timing Waveform
V
CC
V
V
Release Voltage (V
Detect Voltage
= V
+ V
)
HYST
TH+
TH–
TH+
TH–
V
(min)
CC
V
SS
V
OUT
t
t
PD
PR
Detect Delay
Release Delay
V
SS
AI10483
15/23
DC and AC Parameters
STM1061
Unit
Table 5.
Sym.
DC and AC Characteristics
(1)
Description
Test Condition
Min
Typ
Max
V
Operating Voltage
0.7
6.0
3.0
3.6
V
CC
V
V
= 3.0V, No Load
= 5.5V, No Load
0.9
1.1
1.7
14
µA
CC
CC
I
V
Supply Current
CC
CC
µA
V
V
V
V
V
= 1.0V
= 2.0V
= 3.0V
= 4.0V
= 5.0V
1.0
3.0
5.0
6.0
7.0
mA
mA
mA
mA
mA
CC
CC
CC
CC
CC
Output Current, N-channel
I
(V = 0.5V),
22
OUT
DS
Reset asserted
26
30
Voltage Thresholds
Detect Voltage
(2)
V
V
– 2%
V
V + 2%
TH–
V
(see Table 9 on page 21 for
TH–
TH–
TH–
detailed listing)
V
V
+
TH–
V
Release Voltage
V
V
TH+
HYST
V
Threshold Hysteresis
0.02V
0.05V
0.08V
TH–
HYST
TH–
TH–
V
falling from (V
TH–
CC
+ 100mV) to (V
100mV)
–
TH–
t
V
V
to OUT Detect Delay
to OUT Release Delay
25
µs
µs
PD
PR
CC
at 10mV/µs
V
rising from (V
CC
TH+
+
– 100mV) to (V
100mV)
TH+
t
30
200
CC
at 10mV/µs
Threshold Temperature
Coefficient
o
±100
ppm/ C
1. Valid for Ambient Operating Temperature: TA = 25°C.
2. Other VTH- threshold are offered. Minimum order quantities may apply. Contact local sales office for availability.
16/23
STM1061
Package Mechanical
7
Package Mechanical
®
In order to meet environmental requirements, ST offers these devices in ECOPACK
packages. These packages have a Lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
Figure 17. SOT23-3 – 3-lead Small Outline Transistor Package Outline
E
E1
M
0.15
C A B
B
A1
1
e
D
e1
3X
M
0.20
C A B
0.10 C
C
A2
A
A
3X b
C
θ
C
L1
L
SOT23-3
1. Drawing is not to scale.
17/23
Package Mechanical
STM1061
Table 6.
Symbol
SOT23-3 – 3-lead Small Outline Transistor Package Mechanical Data
mm
Min
inches
Min
Typ
Max
Typ
Max
A
A1
A2
b
0.89
0.01
0.88
0.30
0.08
2.80
2.10
1.20
0.89
1.78
1.12
0.10
1.02
0.50
0.20
3.04
2.64
1.40
1.03
2.05
0.035
0.001
0.035
0.012
0.003
0.110
0.083
0.047
0.035
0.070
0.044
0.004
0.042
0.020
0.008
0.120
0.104
0.055
0.041
0.081
C
D
E
E1
e
e1
L
0.54
0.021
L1
Q
0.40
0°
0.60
8°
0.016
0°
0.024
8°
N
3
3
18/23
STM1061
Package Mechanical
Figure 18. SOT323-3 (SC70-3) – 3-lead Small Outline Transistor Package Outline
E
E1
M
0.30
C A B
B
A1
1
e
D
e1
3X
M
0.10
C A B
0.10 C
C
A2
A
A
3X b
θ1
C
θ
C
L1
L
SOT323-3
1. Drawing is not to scale.
Table 7.
SOT323-3 (SC70-3) – 3-lead Small Outline Transistor Package Mechanical
Data
mm
Min
inches
Min
Symbol
Typ
Max
Typ
Max
A
A1
A2
b
0.80
0.00
0.80
0.25
0.10
1.80
1.80
1.15
0.65
1.30
0.35
0.10
0°
1.10
0.10
1.00
0.40
0.18
2.20
2.40
1.35
0.031
0.000
0.031
0.010
0.004
0.071
0.071
0.045
0.026
0.051
0.014
0.004
0°
0.043
0.004
0.039
0.016
0.007
0.087
0.094
0.053
C
D
E
E1
e
e1
L
0.45
0.30
30°
0.018
0.012
30°
L1
Q
Θ1
N
8°
12°
8°
12°
3
3
19/23
Part Numbering
STM1061
8
Part Numbering
Table 8.
Ordering Information Scheme
Example:
STM1061
N
xx
WX
6
F
Device Type
STM1061
Output Type
N = Open Drain (Active-Low)
(1)
Threshold Voltage
xx = See Table 9 on page 21
Package
WX = SOT23-3
(1)
W = SOT323-3 (SC70-3)
Temperature Range
6 = –40 to 85°C
Shipping Method
F = ECOPACK Package, Tape & Reel
1. Other thresholds voltage options are offered. Minimum order quantities may apply. Contact local
sales office for availability.
For other options, or for more information on any aspect of this device, please contact
the ST Sales Office nearest you.
20/23
STM1061
Part Numbering
Topside Marking
Table 9.
Suffix
Factory-Trimmed Thresholds with Marking Description
(1)
Threshold Voltage V
(V) at T = 25°C
A
TH–
Min (–2%)
Typ
Max (+2%)
16
17
19
21
22
23
25
26
27
28
29
30
31
34
38
1.568
1.666
1.862
2.058
2.156
2.254
2.450
2.548
2.646
2.744
2.842
2.940
3.038
3.332
3.724
1.600
1.700
1.900
2.100
2.200
2.300
2.500
2.600
2.700
2.800
2.900
3.000
3.100
3.400
3.800
1.632
1.734
1.938
2.142
2.244
2.346
2.550
2.652
2.754
2.856
2.958
3.060
3.162
3.468
3.876
16Nx
17Nx
19Nx
21Nx
22Nx
23Nx
25Nx
26Nx
27Nx
28Nx
29Nx
30Nx
31Nx
34Nx
38Nx
1. Other VTH- thresholds are offered. Minimum order quantities may apply. Contact local sales office for
availability.
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Revision History
STM1061
9
Revision History
Table 10.
Date
Document Revision History
Version
Description
20-January-
2004
1.0
1.1
First Edition
Update Operation section, characteristics; insert new graphics; add
ECOPACK information ( Figure 7, 8, 9, 10, 11, 12, 13, and 14; Table
Table 5, 8, and 9 )
01-Aug-05
Update characteristics, remove ‘push-pull output’ reference (Figure 8,
9, 10, 11, 12, and 16; Table Table 2, , 5, and 8)
02-Sep-05
19-Oct-05
1.2
2.0
Status upgrade; update characteristics; add Marking information
(Figure 7, 8, 9, 10, 11, 12, 13, and 14; Table Table 8, and 9)
18-Nov-05
3.0
4
Update characteristics (Table 3, and 4)
27-Jul-2006
Update Chapter : Features, Figure 1, 5, 6, Table 8 and 9.
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STM1061
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