SNVSB04B March   2019  – June 2020 TLV4021 , TLV4031 , TLV4041 , TLV4051

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      TLV40x1 Configurations
  4. Revision History
  5. Pin Configuration and Functions
    1.     DSBGA Package Pin Functions
    2.     SOT-23 Pin Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power ON Reset (POR)
      2. 7.4.2 Input (IN)
      3. 7.4.3 Switching Thresholds and Hysteresis (VHYS)
      4. 7.4.4 Output (OUT)
  8. Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Monitoring (V+)
      2. 8.1.2 Monitoring a Voltage Other than (V+)
      3. 8.1.3 VPULLUP to a Voltage Other than (V+)
    2. 8.2 Typical Application
      1. 8.2.1 Under-Voltage Detection
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Additional Application Information
        1. 8.2.2.1 Pull-up Resistor Selection
        2. 8.2.2.2 Input Supply Capacitor
        3. 8.2.2.3 Sense Capacitor
    3. 8.3 What to Do and What Not to Do
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Related Links
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Community Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Electrical Characteristics

VS = 1.8 V to 5 V, typical values are at TA = 25°C.
PARAMETER       TEST CONDITIONS MIN TYP MAX UNIT
VIT+ Postive-going input threshold voltage VS = 1.8 V and 5 V, TA = 25°C TLV40x1R1 1.194 1.2 1.206 V
Postive-going input threshold voltage VS = 1.8 V and 5 V, TA = -40℃ to +125℃ 1.188 1.212
VIT- Negative-going input threshold voltage VS = 1.8 V and 5 V, TA = 25°C 1.174 1.18 1.186
Negative-going input threshold voltage VS = 1.8 V and 5 V, TA = -40°C to +125°C 1.168 1.192
VIT+ Postive-going input threshold voltage VS = 1.8 V and 5 V, TA = 25°C TLV40x1R2 0.197 0.2 0.203 V
Postive-going input threshold voltage VS = 1.8 V and 5 V, TA = -40℃ to +125℃ 0.196 0.204
VIT- Negative-going input threshold voltage VS = 1.8 V and 5 V, TA = 25°C 0.177 0.18 0.183
Negative-going input threshold voltage VS = 1.8 V and 5 V, TA = -40°C to +125°C 0.176 0.184
VIT+ Postive-going input threshold voltage
(TLV40x1R5 only)
VS = 1.8 V and 5 V, TA = 25°C TLV40x1R5 0.495 0.5 0.505 V
Postive-going input threshold voltage
(TLV40x1R5 only)
VS = 1.8 V and 5 V, TA = -40℃ to +125℃ 0.49 0.51 V
VIT- Negative-going input threshold voltage
(TLV40x1R5 only)
VS = 1.8 V and 5 V, TA = 25°C 0.4752 0.48 0.4848 V
Negative-going input threshold voltage
(TLV40x1R5 only)
VS = 1.8 V and 5 V, TA = -40°C to +125°C 0.4704 0.4896 V
VIT+ Postive-going input threshold voltage VS = 1.8 V and 5 V, TA = 25°C TLV4021S5 3.238 3.254 3.270 V
Postive-going input threshold voltage VS = 1.8 V and 5 V, TA = -40℃ to +125℃ 3.221 3.287 V
VIT- Negative-going input threshold voltage VS = 1.8 V and 5 V, TA = 25°C 3.184 3.2 3.216 V
Negative-going input threshold voltage VS = 1.8 V and 5 V, TA = -40℃ to +125℃ 3.168 3.232 V
VHYS(2) Input hysteresis voltage VS = 1.8 V and 5 V, TA = 25℃ TLV40x1Ry 20 mV
VHYS Input hysteresis voltage
(TLV40x1R5 only)
VS = 1.8 V and 5 V, TA = 25℃ TLV40x1R5 20 mV
VHYS(2) Input hysteresis voltage VS = 1.8 V and 5 V, TA = 25°C TLV40x1S5 54 mV
VIN Input voltage range TA = -40℃ to +125℃ V– 5.5 V
IBIAS Input bias current Over VIN range 10 pA
IBIAS Input bias current
(TLV4021S5 only)
IN = 3.3 V 1.65 µA
VOL Voltage output swing from (V–) ISINK = 200 µA, OUT asserted low,
VS = 5 V, TA = –40°C to +125°C
100 mV
ISINK = 3 mA, OUT asserted low,
VS = 5 V, TA = –40°C to +125°C
400 mV
VOH Voltage output swing from (V+)
(TLV4041/4051 only)
ISOURCE = 200 µA, OUT asserted high,
VS = 5 V, TA = –40°C to +125°C
100 mV
ISOURCE = 3 mA, OUT asserted high,
VS = 5 V, TA = –40°C to +125°C
400 mV
IO-LKG Open-drain output leakage current
(TLV4021/4031 only)
VS = 5 V,  OUT asserted high
VPULLUP = (V+), TA = 25°C
20 pA
ISC Short-circuit current VS = 5 V, sinking, TA = 25°C 55 mA
ISC Short-circuit current VS = 5 V, sourcing, TA = 25°C
(TLV4041/4051 only)
50 mA
IQ Quiescent current No load, TA = 25°C, Output Low, VS = 1.8 V 2 3.5 µA
No load, TA = –40°C to +125°C, Output Low, VS = 1.8 V 5 µA
VPOR(1) Power-on reset voltage 1.45 V
See Section 7.4.1 (Power ON Reset) for more details.
See Section 7.4.3 (Switching Thresholds and Hysteresis) for more details.