SLVS346D September   2003  – December 2019 TPS723

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
    1.     Device Images
      1.      Typical Application Circuit
  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 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Current Limit
      2. 7.3.2 Enable
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Capacitor Selection for Stability
        2. 8.2.1.2 Output Noise
        3. 8.2.1.3 Power-Supply Rejection
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 What to Do and What Not to Do
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 Power Dissipation
      2. 10.1.2 Thermal Protection
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Development Support
        1. 11.1.1.1 Spice Models
      2. 11.1.2 Device Nomenclature
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

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6.5 Electrical Characteristics

Over operating junction temperature range, VI = VO(NOM) – 0.5 V, IO = 1 mA, VEN = 1.5 V, CO = 2.2 μF, and CNR = 0.01 μF, unless otherwise noted. Typical values are at TJ = 25°C.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VI Input voltage range(1) –10 –2.7 V
VFB Feedback reference voltage TPS72301 TJ = 25°C –1.210 –1.186 –1.162 V
VO Output voltage range TPS72301 –10 + VDO VFB V
Accuracy Nominal TJ = 25°C –1% 1%
TPS72325 vs
VI/IO/T		 –10 V ≤ VI  ≤ VO – 0.5 V,
10 μA ≤ IO  ≤ 200 mA		 –2% ±1% 2%
TPS72301 vs
VI/IO/T		 –3% ±1 3%
ΔVO(ΔVI) Line regulation –10 V ≤ VI  ≤ VO(NOM) – 0.5 V 0.04 %/V
ΔVO(ΔIO) Load regulation 0 mA ≤ IO  ≤ 200 mA 0.002 %/mA
VDO Dropout voltage at
VO = 0.96 × VO(NOM) 		TPS72325 IO = 200 mA 280 500 mV
I(LIM) Current limit VO = 0.85 × VO(NOM) 300 550 800 mA
I(GND) Ground pin current IO = 0 mA (IQ),
–10 V ≤ VI  ≤ VO – 0.5 V		 130 200 μA
IO = 200 mA,
–10 V ≤ VI  ≤ VO – 0.5 V		 350 500
I(SHDN) Shutdown ground pin current –0.4 V ≤ VEN  ≤ 0.4 V,
–10 V ≤ VI  ≤ VO – 0.5 V		 0.1 2.0 μA
I(FB) Feedback pin current –10 V ≤ VI  ≤ VO – 0.5 V 0.05 1.0 μA
PSRR Power-supply rejection ratio TPS72325 IO = 200 mA, 1 kHz,
CI = CO = 10 μF		 65 dB
IO = 200 mA, 10 kHz,
CI = CO = 10 μF		 48
Vn Output noise voltage TPS72325 CO = 10 μF, 10 Hz to 100 kHz,
IO = 200 mA		 60 μVRMS
tSTR Startup time VO = –2.5 V, CO = 1 μF,
RL = 25 Ω		 1 ms
VEN(HI) Enable threshold positive 1.5 V
VEN(LO) Enable threshold negative –1.5 V
VDIS(HI) Disable threshold positive 0.4 V
VDIS(LO) Disable threshold negative –0.4 V
I(EN) Enable pin current –10 V ≤ VI ≤ VO  – 0.5 V,
–10 V ≤ VEN ≤ ±3.5 V		 0.1 2.0 μA
Tsd Thermal shutdown temperature Shutdown, temperature increasing 165 °C
Reset, temperature decreasing 145
TJ Operating junction temperature –40 125 °C
(1) Maximum VI = (VO – VDO) or – 2.7 V, whichever is more negative.