SBVS457A August   2024  – September 2024 TPS7A20U

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Low Output Noise
      2. 6.3.2 Smart Enable
      3. 6.3.3 Dropout Voltage
      4. 6.3.4 Current Limit
      5. 6.3.5 Undervoltage Lockout (UVLO)
      6. 6.3.6 Thermal Shutdown
      7. 6.3.7 Active Discharge
    4. 6.4 Device Functional Modes
      1. 6.4.1 Normal Operation
      2. 6.4.2 Dropout Operation
      3. 6.4.3 Disabled
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Recommended Capacitor Types
      2. 7.1.2 Input and Output Capacitor Requirements
      3. 7.1.3 Load Transient Response
      4. 7.1.4 Undervoltage Lockout (UVLO) Operation
      5. 7.1.5 Power Dissipation (PD)
        1. 7.1.5.1 Estimating Junction Temperature
        2. 7.1.5.2 Recommended Area for Continuous Operation
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YCK|4
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics

at operating temperature range (TJ = –40℃ to +125℃), VIN = VOUT(NOM) + 0.3V or 1.6V, whichever is greater, VEN = 1.0V, IOUT = 1mA, CIN = 1µF, COUT = 1µF (unless otherwise noted); all typical values are at TJ = 25℃
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ΔVOUT Output voltage tolerance VIN = (VOUT(NOM) + 0.3V) to 6.0V, IOUT = 1 mA to 75 mA
VOUT ≥ 1.85V 		 –1.5 1.5 %

VOUT < 1.85V 		 –30 30 mV
ΔVOUT Line regulation VIN = (VOUT(NOM) + 0.3V) to 6.0V, IOUT = 1mA 0.03 %/V
ΔVOUT Load regulation IOUT = 1mA to 75mA  3 mV
IGND Quiescent ground current VEN = VIN = 6V, 
IOUT = 0mA		 TJ = 25°C 6.5 9.5 µA
TJ = –40°C to 85°C 11
TJ = –40°C to 125°C 15
VEN = VIN = 6 V, IOUT = 75mA 1500
ISHDN Shutdown ground current VEN = 0V (disabled), 
VIN = 6.0V		 TJ = 25°C 0.07 0.2 µA
TJ = –40°C to 85°C 2
TJ = –40°C to 125°C 10
IGND(DO) IGND in dropout VIN ≤  VOUT(NOM) , IOUT = 0mA, VEN = VIN 6.5 15 µA
VDO Dropout voltage IOUT = 75mA,
VOUT = 95% x VOUT(NOM) 		 1.5V ≤ VOUT ≤ 5.5V 95 mV
ICL Output current limit VOUT = 0.9 x VOUT(NOM), 
VIN = VOUT(NOM) + 0.5V 		 VOUT < 1.5V   95 180 265 mA
VOUT = 0.9 x VOUT(NOM), 
VIN = VOUT(NOM) + 0.3 V 		 VOUT ≥ 1.5V 95 185 265
PSRR Power-supply rejection ratio IOUT = 20mA,
VIN = VOUT + 1.0V		 f = 100Hz 88 dB
f = 1kHz 87
f = 10kHz 72
f = 100kHz 62
f = 1MHz 42
IOUT = 75mA,
VIN = VOUT + 1.0V		 f = 100Hz 80
f = 1kHz 89
f = 10kHz 73
f = 100kHz 63
f = 1MHz 44
VN Output noise voltage BW = 10Hz to 100kHz,
VOUT = 2.8V		 IOUT = 75mA 7 µVRMS
IOUT = 1mA 8
RPULLDOWN Output automatic discharge pulldown resistance VEN < VEN(LOW) (output disabled), VIN = 3.1V 285 Ω
TSD Thermal shutdown TJ rising 165 °C
TJ falling 140
VEN(LOW)  Low input threshold VIN = 1.6V to 6.0V,
VEN falling until the output is disabled		 0.3 V
VEN(HI)  High input threshold VIN = 1.6V to 6.0V
VEN rising until the output is enabled		 0.9 V
VUVLO  UVLO threshold VIN rising 1.11 1.35 1.59 V
VIN falling 1.05 1.3 1.55
VUVLO(HYST) UVLO hysteresis 47 mV
IEN EN input leakage current VEN = 6.0V and VIN = 6.0V 90 250 nA
REN(PULL-DOWN) Smart enable pulldown resistor VEN = 0.25V 500 KΩ