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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
■
Low Supply Current of 0.9µA (typ)
■
Guaranteed OUT Assertion Down to V
■
Power Supply Transient Immunity
■
Available in SOT23-3 and SOT323-3 (SC70-3)
packages
■
Operating Temperature –40 to 85°C.
July 2006
Low Power Voltage Detector
Figure 1.
= 0.7V
CC
1. Contact local sales office for availability.
Rev 4
STM1061
Packages
SOT23-3 (WX)
(1)
SOT323-3, SC70-3 (W)
1/23
www.st.com
1
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Table of Contents
Related Manuals for ST STM1061
Summary of Contents for ST STM1061
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Page 1: Figure 1. Packages
STM1061 Low Power Voltage Detector Features Figure 1. Packages ■ 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 SOT23-3 (WX) ■ Open Drain Output ■ Low Supply Current of 0.9µA (typ) ■... -
Page 2: Table Of Contents
Contents STM1061 Contents Summary Description ........5 Pin Descriptions . - Page 3 STM1061 List of tables List of tables Table 1. Signal Names ............5 Table 2.
- Page 4 List of figures STM1061 List of figures Figure 1. Packages ............. . . 1 Figure 2.
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Page 5: Summary Description
Summary Description 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 input and compares it with a specified voltage threshold condition. When V... -
Page 6: Figure 4. Sot323-3 (Sc70-3) Connections
Summary Description STM1061 Figure 4. SOT323-3 (SC70-3) Connections V SS V CC AI10479 Figure 5. N-Channel Open Drain Output Block Diagram V CC – V REF V SS AI10482 Figure 6. STM1061N Active-Low, Open Drain Hardware Hookup DC/DC Converter Regulated 3V... -
Page 7: Pin Descriptions
STM1061 Pin Descriptions Pin Descriptions Figure 2 on page 5 Table 1 on page 5 for a brief overview of the signals connected to this device. OUT (Open Drain) This is the Open Drain Output. It goes low when V... -
Page 8: Operation
Operation STM1061 Operation 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 hysteresis (V ). The STM1061 asserts an output signal (OUT) whenever V... -
Page 9: Typical Operating Characteristics
STM1061 Typical Operating Characteristics Typical Operating Characteristics Figure 7. Supply Current vs. Input Voltage 1400 1200 1000 Temp = –40°C Temp = 25°C Temp = 85°C V CC (V) AI11119b Figure 8. Supply Current vs. Ambient Temperature 1250 1000 V CC = 5V... -
Page 10: Figure 9. Output Detect Delay Time Vs. Ambient Temperature
Typical Operating Characteristics STM1061 Figure 9. Output Detect Delay Time vs. Ambient Temperature 35.00 30.00 V TH– = 3.4V 25.00 20.00 15.00 V TH– = 1.6V 10.00 5.00 0.00 –40 –20 Ambient Temperature: T A (°C) AI11121b Figure 10. Output Release Delay Time vs. Ambient Temperature 50.00... -
Page 11: Figure 11. Maximum Transient Duration Vs. Reset Threshold Overdrive
STM1061 Typical Operating Characteristics Figure 11. Maximum Transient Duration vs. Reset Threshold Overdrive V TH– = 3.4V V TH– = 1.6V 1000 10000 Threshold Overdrive (mV) AI11123b 1. Reset occurs above the curve. Figure 12. Detect, Release Voltage vs. Ambient Temperature for V = 3.4V... -
Page 12: Figure 13. N-Channel Driver Output Current Vs. V
Typical Operating Characteristics STM1061 Figure 13. N-channel Driver Output Current vs. V 0.06 V CC = 3.3V 0.05 V CC = 3.0V V CC = 2.7V 0.04 V CC = 2.1V V CC = 1.5V 0.03 V CC = 1.0V 0.02... -
Page 13: Maximum Rating
STM1061 Maximum Rating Maximum Rating Stressing the device above the rating listed in the Table 3: Absolute Maximum Ratings 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. -
Page 14: Dc And Ac Parameters
DC and AC Parameters STM1061 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. -
Page 15: Figure 16. Voltage Timing Waveform
STM1061 DC and AC Parameters Figure 16. Voltage Timing Waveform V CC V TH+ Release Voltage (V TH+ = V TH– + V HYST ) V TH– Detect Voltage V CC (min) V SS V OUT t PD t PR... -
Page 16: Dc And Ac Characteristics
DC and AC Parameters STM1061 Table 5. DC and AC Characteristics Sym. Description Test Condition Unit Operating Voltage = 3.0V, No Load µA Supply Current = 5.5V, No Load µA = 1.0V = 2.0V Output Current, N-channel = 0.5V), = 3.0V Reset asserted = 4.0V... -
Page 17: Package Mechanical
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. -
Page 18: Table 6
Package Mechanical STM1061 Table 6. SOT23-3 – 3-lead Small Outline Transistor Package Mechanical Data inches Symbol 0.89 1.12 0.035 0.044 0.01 0.10 0.001 0.004 0.88 1.02 0.035 0.042 0.30 0.50 0.012 0.020 0.08 0.20 0.003 0.008 2.80 3.04 0.110 0.120 2.10... -
Page 19: Table 7
STM1061 Package Mechanical Figure 18. SOT323-3 (SC70-3) – 3-lead Small Outline Transistor Package Outline 0.30 C A B 0.10 C A B 0.10 C 3X b θ1 θ SOT323-3 1. Drawing is not to scale. Table 7. SOT323-3 (SC70-3) – 3-lead Small Outline Transistor Package Mechanical... -
Page 20: Part Numbering
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... -
Page 21: Factory-Trimmed Thresholds With Marking Description
STM1061 Part Numbering Table 9. Factory-Trimmed Thresholds with Marking Description Threshold Voltage V (V) at T = 25°C TH– Suffix Topside Marking Min (–2%) Max (+2%) 1.568 1.600 1.632 16Nx 1.666 1.700 1.734 17Nx 1.862 1.900 1.938 19Nx 2.058 2.100 2.142... -
Page 22: Table 10. Document Revision History
Revision History STM1061 Revision History Table 10. Document Revision History Date Version Description 20-January- First Edition 2004 Update Operation section, characteristics; insert new graphics; add 01-Aug-05 ECOPACK information ( Figure 7, 8, 9, 10, 11, 12, 13, and 14; Table... - Page 23 No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
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