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TS831-5IZ

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TS831-5IZ

For Reference Only

Part Number TS831-5IZ
Manufacturer STMicroelectronics
Description IC SUPERVISOR RESET 4.33V TO-92
Datasheet TS831-5IZ Datasheet
Package TO-226-3, TO-92-3 (TO-226AA)
In Stock 60,200 piece(s)
Unit Price Request a Quote
Lead Time Can Ship Immediately
Estimated Delivery Time Aug 11 - Aug 16 (Choose Expedited Shipping)
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Part Number # TS831-5IZ (PMIC - Supervisors) is manufactured by STMicroelectronics and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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TS831-5IZ Specifications

ManufacturerSTMicroelectronics
CategoryIntegrated Circuits (ICs) - PMIC - Supervisors
Datasheet TS831-5IZDatasheet
PackageTO-226-3, TO-92-3 (TO-226AA)
Series-
TypeSimple Reset/Power-On Reset
Number of Voltages Monitored1
OutputOpen Drain or Open Collector
ResetActive Low
Reset Timeout20 µs Typical Response Time
Voltage - Threshold4.33V
Operating Temperature-40°C ~ 125°C (TA)
Mounting TypeThrough Hole
Package / CaseTO-226-3, TO-92-3 (TO-226AA)
Supplier Device PackageTO-92-3

TS831-5IZ Datasheet

Page 1

Page 2

1/11 ■ ULTRA LOW POWER CONSUMPTION : 12µA maximum ■ PRECISION RESET THRESHOLD ■ THRESHOLD VOLTAGE: 4.33V typ. FOR TS831-5 4.50V typ. FOR TS831-4 2.71V typ. FOR TS831-3 ■ GUARANTEED RESET OPERATION FOR VCC DOWN TO 1V ■ OPEN DRAIN OUTPUT COMPARATOR ■ FAST RESPONSE TIME : 20µs FOR A 10mV OVERDRIVE ■ INTERNAL BUILT-IN HYSTERESIS ■ PIN TO PIN COMPATIBLE WITH MC33064 AND MC33164 DESCRIPTION The TS831 is an ultra low power integrated circuit incorporating a high stability band-gap voltage reference and a comparator with an open drain output. The threshold voltage is set at 4.33V for TS831-5, 4.5V for TS831-4 and 2.71V for TS831-3 by internal thermally matched resistors. The comparator exhibits a 20µs response (with 10mV overdrive) and has an open drain output active when input voltage is lower than the threshold. An internal hysteresis, 100mV for TS831-4 / TS831-5 and 60mV for TS831-3, increases the comparator’s noise margin and prevents false reset operation. APPLICATION ■ Power-on reset generator for microcontroller ■ Power failure detector ORDER CODE Z= TO92 Plastic package D = Small Outline Package (SO) - also available in Tape & Reel (DT) P = Thin Shrink Small Outline Package (TSSOP) - only available in Tape & Reel (PT) PIN CONNECTIONS (top view) Part Number Temperature Range Package D Z P TS831-5I -40, +125°C • • • TS831-4I • • • TS831-3I • • • D SO8 (Plastic Micropackage) P TSSOP8 (Thin Shrink Small Outline Package) Z TO92 (Plastic Package) TO92 SO8-TSSOP8 TS831 MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW November 2001

Page 3

TS831 2/11 ABSOLUTE MAXIMUM RATINGS OPERATING CONDITIONS TS831-5 ELECTRICAL CHARACTERISTICS Tamb = 25°C (unless otherwise specified) Symbol Parameter Value Unit VCC Supply Voltage 1) 7 V VOUT Output Voltage -0.3 to Vcc + 0.3 V IOUT Output Sink Current TS831-5 and TS831-4 TS831-3 20 5 mA PD Power Dissipation 2) TO92 SO8 TSSOP8 625 700 625 mW IF Clamp Diode Forward Current, pin 1 to pin 2 3) 100 mA TSTG Storage Temperature -65 to +150 °C 1. All voltages values, except differential voltage are with respect to network ground terminal. 2. Tj = 150°C, Tamb = 25 oC with Rthja = 200oC/W for TO-92 package Rthja = 175oC/W for SO8 package Rthja = 200oC/W for TSSOP8 package 3. Maximum package power dissipation limits must be observed. Symbol Parameter Value Unit VCC Supply Voltage 1 to 5.5 V TOPER Operating Free Air Temperature Range -40 to +125 °C Symbol Parameter Min. Typ. Max. Unit VTHI Threshold Voltage with VCC Increasing -40°C ≤ Tamb ≤ +85°C -40°C ≤ Tamb ≤ +125°C 4.11 4.11 4.33 4.46 4.50 V VTHD Threshold Voltage with VCC Decreasing -40°C ≤ Tamb ≤ +85°C -40°C ≤ Tamb ≤ +125°C 4.10 4.06 4.21 4.46 4.46 V VHYS Hysteresis Voltage 50 100 200 mV ICC Current Consumption VCC = 5V 12 µA VOL Low Level Output Voltage VCC = 4V, IOL = 8mA -40°C ≤ Tamb ≤ +85°C -40°C ≤ Tamb ≤ +125°C 450 800 1000 1300 mV IOH High Level Output Current VCC = 5V -40°C ≤ Tamb ≤ +125°C 2 100 1000 nA TPHL Response Time High to Low RL = 10kΩ, CL = 15pF, VCC = VTHD -10mV 20 µs Note : Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design.

Page 4

TS831 3/11 TS831-4 ELECTRICAL CHARACTERISTICS Tamb = 25°C (unless otherwise specified) TS831-3 ELECTRICAL CHARACTERISTICS Tamb = 25°C (unless otherwise specified) Symbol Parameter Min. Typ. Max. Unit VTHI Threshold Voltage with VCC Increasing -40°C ≤ Tamb ≤ +85°C -40°C ≤ Tamb ≤ +125°C 4.18 4.18 4.50 4.66 4.70 V VTHD Threshold Voltage with VCC Decreasing -40°C ≤ Tamb ≤ +85°C -40°C ≤ Tamb ≤ +125°C 4.17 4.13 4.40 4.66 4.66 V VHYS Hysteresis Voltage 50 100 200 mV ICC Current Consumption VCC = 5V 12 µA VOL Low Level Output Voltage VCC = 4V, IOL = 8mA -40°C ≤ Tamb ≤ +85°C -40°C ≤ Tamb ≤ +125°C 450 800 1000 1300 mV IOH High Level Output Current VCC = 5V -40°C ≤ Tamb ≤ +125°C 2 100 1000 nA TPHL Response Time High to Low RL = 10kΩ, CL = 15pF, VCC = VTHD -10mV 20 µs Note : Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design. Symbol Parameter Min. Typ. Max. Unit VTHI Threshold Voltage with VCC Increasing -40°C ≤ Tamb ≤ +125°C 2.55 2.71 2.8 V VTHD Threshold Voltage with VCC Decreasing -40°C ≤ Tamb ≤ +125°C 2.55 2.65 2.8 V VHYS Hysteresis Voltage 30 60 100 mV ICC Current Consumption VCC = 3V 12 µA VOL Low Level Output Voltage VCC = 2.4V, IOL = 1mA -40°C ≤ Tamb ≤ +125°C 140 400 500 mV IOH High Level Output Current VCC = 3V -40°C ≤ Tamb ≤ +125°C 2 100 1000 nA TPHL Response Time High to Low RL = 10kΩ, CL = 15pF, VCC = VTHD -10mV 20 µs Note : Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design.

Page 5

TS831 4/11 EQUIVALENT SCHEMATIC DIAGRAM TIMING DIAGRAM 1.2V Vref OUTPUT INPUT (Vcc) GND

Page 6

TS831 5/11 Output voltage versus Vcc Output voltage versus Vcc Output voltage versus Vcc Reset output voltage versus Vcc Reset output voltage versus Vcc Reset output voltage versus Vcc 0 1 2 3 4 5 0 1 2 3 4 5 TS831- 3 RL = 10 kΩ T=25°C O u tp u t V o lt a g e ( V ) Vcc (V) 0 1 2 3 4 5 0 1 2 3 4 5 TS831- 4 RL = 10 kΩ T=25°C O u tp u t V o lt a g e ( V ) Vcc (V) 0 1 2 3 4 5 0 1 2 3 4 5 TS831- 5 RL = 10 kΩ T=25°C O u tp u t V o lt a g e ( V ) Vcc (V) 2.600 2.625 2.650 2.675 2.700 2.725 2.750 0 1 2 3 4 5 TS831- 3 RL = 10 kΩ T=25°C O u tp u t V o lt a g e ( V ) Vcc (V) 4.40 4.45 4.50 4.55 4.60 0 1 2 3 4 5 TS831- 4 RL = 10 kΩ T=25°C O u tp u t V o lt a g e ( V ) Vcc (V) 4.20 4.25 4.30 4.35 4.40 0 1 2 3 4 5 TS831- 5 RL = 10 kΩ T=25°C O u tp u t V o lt a g e ( V ) Vcc (V)

Page 7

TS831 6/11 VTHI versus temperature Hysteresis voltage versus temperature Supply current vs Vcc & temperature VTHD versus temperature Supply current versus temperature Voltage output low vs Isink & temperature -40 -20 0 20 40 60 80 100 120 4.40 4.45 4.50 4.55 4.60 TS831- 4 VTHI mi n VTHI ma x Temperature (°C) V T H I ( V ) -40 -20 0 20 40 60 80 100 120 60 80 100 120 140 160 TS831- 4 No load H y s te re s is ( m V ) Temperature (°C) 0 1 2 3 4 5 0 2 4 6 8 10 12 +125°C -40°C +25°C TS831- 3 No load S u p p ly c u rr e n t (µ A ) Vcc (V) -40 -20 0 20 40 60 80 100 120 4.32 4.34 4.36 4.38 4.40 4.42 4.44 TS831-4 V THD min V THD max V T H D ( V ) Temperature (°C) -40 -20 0 20 40 60 80 100 120 8.0 8.5 9.0 9.5 10.0 TS831- 4 Vcc=5V No load Icc min Icc max S u p p ly c u rr e n t (µ A ) Temperature (°C) 0 1 2 3 4 5 0.0 0.5 1.0 1.5 2.0 - 40°C +25°C +85°C +125°C TS831- 3 Input voltage=2.4 V V O L ( V ) I SINK (mA)

Page 8

TS831 7/11 Supply current vs Vcc & temperature Supply current vs Vcc & temperature Clamp diode forward current versus voltage Voltage output low vs Isink & temperature Voltage output low vs Isink & temperature Response time 0 1 2 3 4 5 0 2 4 6 8 10 +125°C +85°C +25°C - 40°C TS831- 4 No load S u p p ly c u rr e n t (µ A ) Vcc (V) 0 1 2 3 4 5 0 2 4 6 8 10 +125°C +85°C +25°C- 40°C TS831- 5 No load S u p p ly c u rr e n t (µ A ) Vcc (V) 0.0 0.5 1.0 1.5 0 20 40 60 80 100 Vcc=0 V T=25°C F o rw a rd c u rr e n t (m A ) Forward voltage (V) 0 5 10 15 20 0 1 2 3 4 +125°C +85°C +25°C - 40°C TS831- 4 Vcc= 4 V V O L ( V ) I SINK (mA) 0 5 10 15 20 0 1 2 3 4 - 40°C +25°C +85°C +125°C TS831- 5 Vcc=4 V V O L ( V ) I SINK (mA) 0 20 40 60 80 Response time 4 V TS831- 4 RL = 10 kΩ T=25°C 0 V 4 V 5 V 5 V Reset output Vcc Time (µs)

Page 9

TS831 8/11 Basic configuration Power Supply Microprocessor circuitResetTS831 in G n d Pull up resistor Special remarks * Some microprocessor may integrate the pull up resistor. * For the pull up resistor choice, please use the graphs nammed "Voltage output low vs Isink & temperature" depending on TS831 versions.

Page 10

TS831 9/11 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO) Dim. Millimeters Inches Min. Typ. Max. Min. Typ. Max. A 1.75 0.069 a1 0.1 0.25 0.004 0.010 a2 1.65 0.065 a3 0.65 0.85 0.026 0.033 b 0.35 0.48 0.014 0.019 b1 0.19 0.25 0.007 0.010 C 0.25 0.5 0.010 0.020 c1 45° (typ.) D 4.8 5.0 0.189 0.197 E 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 F 3.8 4.0 0.150 0.157 L 0.4 1.27 0.016 0.050 M 0.6 0.024 S 8° (max.)

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TS831-5IZ Guarantees

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