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STM1061N31W6F

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23
List of figures STM1061
4/23
List of figures
Figure 1. Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 2. Logic Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 3. SOT23-3 Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 4. SOT323-3 (SC70-3) Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 5. N-Channel Open Drain Output Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 6. STM1061N Active-Low, Open Drain Hardware Hookup. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 7. Supply Current vs. Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 8. Supply Current vs. Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 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
TH–
= 3.4V . . . . . . . . . . . . . . . . . 11
Figure 13. N-channel Driver Output Current vs. V
DS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 14. N-channel Driver Output Current vs. Input Voltage for V
DS
= 0.5V . . . . . . . . . . . . . . . . . . 12
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
STM1061 Summary Description
5/23
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
CC
falls below a
specified trip point threshold, the output (OUT
) is forced low and remains asserted as long
as the V
CC
input remains below V
TH–
+ hysteresis (V
HYST
). The STM1061 device is
guaranteed to output the correct logic state for V
CC
down to 0.7V. They are also designed to
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
Table 1. Signal Names
Figure 3. SOT23-3 Connections
OUT Open Drain Active-Low Output
V
CC
Supply Voltage
V
SS
Ground
AI10477
V
CC
STM1061
V
SS
OUT
AI10478
2
3
1
OUT
V
CC
V
SS
Summary Description STM1061
6/23
Figure 4. SOT323-3 (SC70-3) Connections
Figure 5. N-Channel Open Drain Output Block Diagram
Figure 6. STM1061N Active-Low, Open Drain Hardware Hookup
AI10479
2
3
1
OUT
V
CC
V
SS
AI10482
V
CC
R1
R2
R3
V
SS
+
–
V
REF
OUT
AI10484a
V
CC
V
IN
+
V
SS
V
CC
MCU
STM1061N
(Open Drain)
DC/DC
Converter
OUT
3.6V
V
OUT
V
SS
V
SS
Suspend
Regulated 3V
R
V
OUT
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P23

STM1061N31W6F

Mfr. #:
Buy STM1061N31W6F
Manufacturer:
STMicroelectronics
Description:
Supervisory Circuits Low power voltage detector
Lifecycle:
New from this manufacturer.
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