ZHCS844D November   2011  – January 2025 TLV70012-Q1 , TLV70018-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  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 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 Internal Current Limit
      2. 6.3.2 Dropout Voltage
      3. 6.3.3 Undervoltage Lockout (UVLO)
      4. 6.3.4 Thermal Shutdown
    4. 6.4 Device Functional Modes
      1. 6.4.1 Shutdown
      2. 6.4.2 Operation with VIN Less than 2V
      3. 6.4.3 Operation with VIN Greater than 2V
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
        1. 7.2.2.1 Input and Output Capacitor Requirements
        2. 7.2.2.2 Transient Response
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
        1. 7.4.1.1 Thermal Considerations
        2. 7.4.1.2 Power Dissipation
          1. 7.4.1.2.1 Thermal Calculations
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Device Support
      1. 8.1.1 Device Nomenclature
      2. 8.1.2 Package Mounting
    2. 8.2 Documentation Support
      1. 8.2.1 Related Documentation
    3. 8.3 接收文档更新通知
    4. 8.4 支持资源
    5. 8.5 Trademarks
    6. 8.6 静电放电警告
    7. 8.7 术语表
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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5.5 Electrical Characteristics

at VIN = VOUT(NOM) + 0.5V or 2V (whichever is greater); IOUT = 10mA, VEN = 0.9V, COUT = 1.0μF, and TA = –40°C to 125°C (unless otherwise noted); typical values are at TA = 25°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
VIN Input voltage range 2 5.5 V
VOUT DC output accuracy –40°C ≤ TA ≤ 125°C –2% 0.5% 2%
ΔVOUT/ΔVIN Line regulation VOUT(NOM) + 0.5V ≤ VIN ≤ 5.5V, IOUT = 10mA 1 5 mV
ΔVOUT/ΔIOUT Load regulation 0mA ≤ IOUT ≤ 300mA, TLV70018-Q1 1 15 mV
0mA ≤ IOUT ≤ 300mA, TLV70012-Q1 1 20
ICL Output current limit VOUT = 0.9 × VOUT(NOM) 320 500 860 mA
IGND Ground pin current IOUT = 0mA 35 55 μA
IOUT = 300mA, VIN = VOUT + 0.5V 370 μA
ISHDN Ground pin current (shutdown) VEN ≤ 0.4V, VIN = 2.0V 400 nA
VEN ≤ 0.4V, 2.0V ≤ VIN ≤ 4.5V, TA = –40°C to 85°C 1 2 μA
VEN ≤ 0.4V, 2.0V ≤ VIN ≤ 4.5V, TA = 85°C to 125°C 1 2.5 μA
PSRR Power-supply rejection ratio VIN = 2.3V, VOUT = 1.8V, IOUT = 10mA, f = 1kHz 68 dB
Vn Output noise voltage BW = 100Hz to 100kHz,
VIN = 2.3V, VOUT = 1.8V, IOUT = 10mA		 48 μVRMS
tSTR Startup time(1) COUT = 1.0μF, IOUT = 300mA 100 μs
VEN(HI) Enable pin high (enabled) 0.9 VIN V
VEN(LO) Enable pin low (disabled) 0 0.4 V
IEN Enable pin current VIN = VEN = 5.5V 0.04 μA
UVLO Undervoltage lockout VIN rising 1.9 V
TSD Thermal shutdown temperature Shutdown, temperature increasing 165 °C
Reset, temperature decreasing 145 °C
TA Operating temperature –40 125 °C
(1) Startup time = time from EN assertion to 0.98 × VOUT(NOM).
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