STM1831 STMicroelectronics, STM1831 Datasheet - Page 4

• Manufacturer Part Number: STM1831
• Description: Voltage detector with sense input and external delay capacitor
• Manufacturer: STMicroelectronics

List of figures
List of figures
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Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
SOT23-5 pin connections (top view). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Application hookup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Timing waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Supply current vs. sense voltage, V
Supply current vs. input voltage, V
Detect voltage vs. ambient temperature, V
Detect voltage vs. supply voltage, V
Hysteresis voltage vs. ambient temperature, V
C
Output voltage vs. sense voltage, V
on RST is 100 kΩ, C
Output voltage vs. supply voltage, V
on RST is 100 kΩ, C
Output current vs. supply voltage, V
Relative delay resistance vs. ambient temperature, V
Release delay time vs. delay capacitance, T
Detect delay time vs. delay capacitance, T
RST output leakage current vs. ambient temperature,
V
RST output leakage current vs. output voltage, V
T
Sense current vs. supply voltage, V
Sense current vs. ambient temperature, V
AC testing input/output waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
SOT23-5 - 5-lead small outline transistor package mechanical drawing . . . . . . . . . . . . . . 21
A
CC
D
= 85 °C, C
pin sink current vs. supply voltage, V
= V
SEN
= V
D
pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
OUT
= 6.0 V, C
D
D
pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Doc ID 18180 Rev 1
D
pin open . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
SEN
CC
SEN
DET
DET
SEN
SEN
= 3.0 V, V
= 1.9 V (RST asserted) . . . . . . . . . . . . . . . . . . . . . . 9
= 1.9 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
= 2.4 V, T
= 2.4 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
SEN
= 0 V, V
= V
CC
DET
A
CC
A
= 25 °C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
= 0 V, V
= V
= 25 °C. . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
DET
= 2.4 V . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
, external pull-up resistor
RST
SEN
DET
CC
A
= 2.4 V . . . . . . . . . . . . . . . . . . . . . . . . 11
= 25 °C, external pull-up resistor
= V
= 0.5 V. . . . . . . . . . . . . . . . . . . . . . . 13
CD
= 2.0 V . . . . . . . . . . . . . . . . . . . . . . . 9
CC
= 5 V . . . . . . . . . . . . . . . . . . . . . . . . 16
SEN
= 0.5 V . . . . . . . . . . . . . . . . . . . . 11
= 5 V, V
= 6.0 V,
SEN
= 6 V, V
CD
= 0 V . . 13
STM1831