SLVSG57 August   2021 TPS1653

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and 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 Timing Requirements
    7. 6.7 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1  Hot Plug-In and In-Rush Current Control
        1. 8.3.1.1 Thermal Regulation Loop
      2. 8.3.2  Undervoltage Lockout (UVLO)
      3. 8.3.3  Overload and Short Circuit Protection
        1. 8.3.3.1 Overload Protection
        2. 8.3.3.2 Short Circuit Protection
          1. 8.3.3.2.1 Start-Up With Short-Circuit On Output
      4. 8.3.4  Current Monitoring Output (IMON)
      5. 8.3.5  FAULT Response (FLT)
      6. 8.3.6  Power Good Output (PGOOD)
      7. 8.3.7  IN, P_IN, OUT and GND Pins
      8. 8.3.8  Thermal Shutdown
      9. 8.3.9  Low Current Shutdown Control (SHDN)
      10. 8.3.10 Enable Input (EN)
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Programming the Current-Limit Threshold R(ILIM) Selection
        2. 9.2.2.2 Undervoltage Lockout and Overvoltage Set Point
        3. 9.2.2.3 Setting Output Voltage Ramp Time (tdVdT)
          1. 9.2.2.3.1 Support Component Selections RPGOOD and C(IN)
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 48-V Power Amplifier Protection for Telecom Radios
  10. 10Power Supply Recommendations
    1. 10.1 Transient Protection
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6.5 Electrical Characteristics

–40°C ≤ TA = TJ ≤ +125°C, 4.5 V < V(IN) = V(P_IN) < 58 V, V(SHDN) = 2 V, R(ILIM) = 30 kΩ, IMON = PGOOD = FLT = OPEN, C(OUT) = 1 μF, C(dVdT) = OPEN. (All voltages referenced to GND, (unless otherwise noted))
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY VOLTAGE
V(IN), V(P_IN) Operating input voltage 4.5 58 V
IQ(ON) Supply current Enabled: V(SHDN) = 2 V 1.38 1.7 mA
IQ(OFF) V(SHDN) = 0 V 21 60 µA
UNDERVOLTAGE LOCKOUT (UVLO) INPUT
V(UVLOR) UVLO threshold voltage, rising 1.176 1.2 1.224 V
V(UVLOF) UVLO threshold voltage, falling 1.09 1.122 1.15 V
I(UVLO) UVLO Input leakage current 0 V ≤ V(UVLO) ≤ 58 V –150 30 150 nA
Enable (EN) INPUT
V(ENR) Enable threshold voltage, rising 1.25 V
V(ENF) Enable threshold voltage, falling 0.65 V
I(EN) Enable Input leakage current 0 V ≤ V(EN) ≤ 4 V –150 13.5 150 nA
CURRENT LIMIT PROGRAMMING (ILIM)
I(OL) Over Load current limit R(ILIM) = 30 kΩ, V(IN) – V(OUT) = 1 V 0.54 0.6 0.66 A
I(OL) Over Load current limit R(ILIM) = 9 kΩ, V(IN) –  V(OUT) = 1 V 1.84 2 2.16 A
I(OL) Over Load current limit R(ILIM) = 4.02 kΩ, V(IN) – V(OUT) = 1 V 4.185 4.5 4.815 A
I(OL_Pulse) Transient Pulse Over current limit 4 kΩ < R(ILIM) < 30 kΩ 2 × I(OL) A
I(FASTRIP) Fast-trip comparator threshold 3 × I(OL) A
I(SCP) Short Circuit Protect current 45 A
PASS FET OUTPUT (OUT)
RON IN to OUT total ON resistance 0.6 A ≤ I(OUT) ≤ 4.5 A,TJ = 25°C 26 30.44 34.5 mΩ
RON IN to OUT total ON resistance 0.6 A ≤ I(OUT) ≤ 4.5 A,TJ = 85°C 33 45 mΩ
RON IN to OUT total ON resistance 0.6 A ≤ I(OUT) ≤ 4.5 A, –40°C ≤ TJ ≤ +125°C 19 30.44 53 mΩ
OUTPUT RAMP CONTROL (dVdT)
I(dVdT) dVdT charging current V(dVdT) = 0 V 1.775 2 2.225 µA
GAIN(dVdT) dVdT to OUT gain V(OUT) /V(dVdT) 23.5 25 26 V/V
V(dVdTmax) dVdT maximum capacitor voltage 3.8 4.17 4.75 V
R(dVdT) dVdT discharging resistance 10 16.6 26.6 Ω
LOW IQ SHUTDOWN (SHDN) INPUT
V(SHDN) Open circuit voltage I(SHDN) = 0.1 µA 2.48 2.7 3.3 V
V(SHUTF) SHDN threshold voltage for low IQ shutdown, falling 0.8 V
V(SHUTR) SHDN threshold rising 2 V
I(SHDN) Leakage current V(SHDN) = 0 V –10 µA
CURRENT MONITOR OUTPUT (IMON)
GAIN(IMON) Gain factor I(IMON):I(OUT) 0.6 A ≤ I(OUT) ≤ 2 A 25.66 27.9 30.14 µA/A
2 A ≤ I(OUT) ≤ 4.5 A 26.22 27.9 29.58 µA/A
FAULT FLAG (FLT): ACTIVE LOW
R(FLT) FLT Pull-down resistance 36 74 130 Ω
I(FLT) FLT Input leakage current 0 V ≤ V(FLT) ≤ 58 V –150 30 150 nA
POWER GOOD (PGOOD)
R(PGOOD) PGOOD Pull-down resistance 36 74 130 Ω
I(PGOOD) PGOOD Input leakage current 0 V ≤ V(PGOOD) ≤ 58 V –150 150 nA
THERMAL PROTECTION
T(J_REG) Thermal regulation set point 136 145 154 ºC
T(TSD) Thermal shutdown (TSD) threshold, rising 165 ºC
T(TSDhyst) TSD hysteresis 11 ºC
MODE
MODE_SEL Mode selection MODE = Open Latch
MODE = Short to GND Auto – Retry