SBVS254D February   2018  – August 2019 TPS7A05

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Circuit
      2.      Ground Current vs Output Current
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 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. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Excellent Transient Response
      2. 7.3.2 Active Discharge
      3. 7.3.3 Low IQ in Dropout
      4. 7.3.4 Undervoltage Lockout (UVLO)
      5. 7.3.5 Enable
      6. 7.3.6 Internal Foldback Current Limit
      7. 7.3.7 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Mode
      2. 7.4.2 Dropout Mode
      3. 7.4.3 Disable Mode
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Recommended Capacitor Types
      2. 8.1.2 Input and Output Capacitor Requirements
      3. 8.1.3 Special Considerations When Ramping Down VIN and Enable
      4. 8.1.4 Load Transient Response
      5. 8.1.5 Dropout Voltage
        1. 8.1.5.1 Behavior When Transitioning From Dropout Into Regulation
        2. 8.1.5.2 Behavior of Output Resulting From Line Transient When in Dropout
      6. 8.1.6 Undervoltage Lockout (UVLO) Operation
      7. 8.1.7 Power Dissipation (PD)
        1. 8.1.7.1 Estimating Junction Temperature
        2. 8.1.7.2 Recommended Area for Continuous Operation
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Design Considerations
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Spice Models
      2. 11.1.2 Device Nomenclature
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Community Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 Electrical Characteristics

specified at TJ = –40°C to +125°C, VIN = VOUT(nom) + 0.5 V or 1.4 V (whichever is greater), IOUT = 1 mA, VEN = VIN, CIN = 1 µF, and COUT = 1 µF (unless otherwise noted); typical values are at TJ = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Nominal accuracy(1) VOUT ≥ 1.0 V, TJ = 25°C –1% 1%
VOUT < 1.0 V, TJ = 25°C –10 10 mV
Accuracy over temperature(1) VOUT ≥ 1.0 V, TJ = –40°C to +85°C –2% 2%
VOUT ≥ 1.0 V –3% 3%
VOUT < 1.0 V, TJ = –40°C to +85°C –20 20 mV
VOUT < 1.0 V –30 30
VOUT = 1.825 V, TJ = +10℃ to +45℃,
IOUT = 100 µA		 –0.9% 0.9%
ΔVOUT(ΔVIN) Line regulation VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V(2),
TJ = –40°C to +85°C		 5 16.5 mV
VOUT(nom) + 0.5 V ≤ VIN ≤ 5.5 V(2) 18
ΔVOUT(ΔIOUT) Load regulation(3) 100 μA ≤ IOUT ≤ 200 mA,
VIN = VOUT(nom) + VDO(max) + 0.1 V,
TJ = –40°C to +85°C		 DBV, DQN, YKA 20 43 mV
DBZ 27 50
100 μA ≤ IOUT ≤ 200 mA,
VIN = VOUT(nom) + VDO(max) + 0.1 V		 DBV, DQN, YKA 55
DBZ 62
IGND Ground current TJ = 25°C, IOUT = 1 µA 0.6 1 1.3 µA
IOUT = 1 µA, TJ = –40°C to +85°C 2
IOUT = 1 µA 3
ISHDN Shutdown current VEN = 0.4 V, 1.4 V ≤ VIN ≤ 5.5 V, TJ = 25°C 100 300 nA
ICL Output current limit VOUT = 90% × VOUT(nom), VIN = VOUT(nom) + VDO(max) + 0.5 V 210 450 700 mA
ICL Output current limit VOUT = 90% × VOUT(nom),
VIN = VOUT(nom) + VDO(max) + 0.5 V,
TJ = 0°C to +85°C		 250 450 700 mA
ISC Short-circuit current limit VOUT = 0 V 65 150 mA
VDO Dropout voltage(4) IOUT = 200 mA,
TJ = –40°C to +85°C		 0.8 V ≤ VOUT < 1.0 V 915 mV
1.0 V ≤ VOUT < 1.2 V 758
1.2 V ≤ VOUT < 1.5 V 609
1.5 V ≤ VOUT < 1.8 V 469
1.8 V ≤ VOUT < 2.5 V 341
2.5 V ≤ VOUT < 3.3 V 275
VOUT = 3.3 V 212
IOUT = 200 mA 0.8 V ≤ VOUT < 1.0 V 1004
1.0 V ≤ VOUT < 1.2 V 837
1.2 V ≤ VOUT < 1.5 V 679
1.5 V ≤ VOUT < 1.8 V 525
1.8 V ≤ VOUT < 2.5 V 382
2.5 V ≤ VOUT < 3.3 V 308
VOUT = 3.3 V 235
IOUT = 200 mA,
TJ = –40°C to +85°C,
DBZ Package		 1.8 V ≤ VOUT < 2.5 V 351
2.5 V ≤ VOUT < 3.3 V 285
VOUT = 3.3 V 222
IOUT = 200 mA,
DBZ Package		 1.8 V ≤ VOUT < 2.5 V 392
2.5 V ≤ VOUT < 3.3 V 318
VOUT = 3.3 V 245
IOUT = 100 µA,
TJ = +10℃ to +45℃		 VOUT = 1.825 V 20
PSRR Power-supply rejection ratio f = 1 kHz, IOUT = 30 mA 40 dB
f = 500 kHz, IOUT = 30 mA 30
f = 1 MHz, IOUT = 30 mA 40
VN Output voltage noise BW = 10 Hz to 100 kHz, VOUT = 1.2 V,
IOUT = 30 mA		 180 µVRMS
VUVLO UVLO threshold VIN rising 1.21 1.3 1.37 V
VUVLO(HYST) UVLO hysteresis VIN falling 40 mV
VUVLO UVLO threshold VIN falling 1.17 1.33 V
VEN(HI) EN pin logic high voltage 0.9 V
VEN(LO) EN pin logic low voltage 0.4 V
IEN EN pin current VEN = VIN = 5.5 V 10 nA
RPULLDOWN Pulldown resistor VIN = 3.3 V, P version only 120 Ω
Tsd Thermal shutdown temperature Shutdown, temperature increasing 160 °C
Reset, temperature decreasing 140
(1) IOUT ≥ 10 µA required to meet accuracy specifications.
(2) VIN = 1.4 V for VOUT ≤ 0.9 V.
(3) Load Regulation is normalized to the output voltage at IOUT = 1 mA.
(4) Dropout is measured by ramping VIN down until VOUT = VOUT(nom) – 5%.