JAJSIY4 April   2020 TPS7B81

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 説明
    1.     Device Images
      1.      代表的なアプリケーションの回路図
      2.      静止電流と周囲温度の関係 (VOUT = 3.3V)
  4. 4 改訂履歴
  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 Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Device Enable (EN)
      2. 7.3.2 Undervoltage Shutdown
      3. 7.3.3 Current Limit
      4. 7.3.4 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With VIN Lower Than 3 V
      2. 7.4.2 Operation With VIN Larger Than 3 V
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Power Dissipation
        1. 8.1.1.1 Estimating Junction Temperature
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Input Capacitor
        2. 8.2.2.2 Output Capacitor
      3. 8.2.3 Application Curve
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 ドキュメントの更新通知を受け取る方法
    2. 11.2 サポート・リソース
    3. 11.3 商標
    4. 11.4 静電気放電に関する注意事項
    5. 11.5 Glossary
  12. 12メカニカル、パッケージ、および注文情報

6.5 Electrical Characteristics

over operating ambient temperature range, TJ = –40°C to +150°C, VIN = 14 V, and 10-µF ceramic output capacitor (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
SUPPLY VOLTAGE AND CURRENT (IN)
VIN Input voltage VOUT(Nom) + V(Dropout) 40 V
I(SD) Shutdown current EN = 0 V 0.3 1 µA
I(Q) Quiescent current VIN = 6 V to 40 V, EN ≥ 2 V, IOUT = 0 mA 1.9 3.5 µA
VIN = 6 V to 40 V, EN ≥ 2 V, IOUT = 0.2 mA DGN package 2.7 6.5
DRV package 2.7 4.5
V(IN, UVLO) VIN undervoltage detection Ramp VIN down until the output turns off 2.7 V
Hysteresis 200 mV
ENABLE INPUT (EN)
VIL Logic-input low level 0.7 V
VIH Logic-input high level 2 V
IEN Enable current 10 nA
REGULATED OUTPUT (OUT)
VOUT Regulated output VIN = VOUT + V(Dropout) to 40 V,
IOUT = 1 mA to 150 mA		 –1.5% 1.5%
V(Line-Reg) Line regulation VIN = 6 V to 40 V, IOUT = 10 mA 10 mV
V(Load-Reg) Load regulation VIN = 14 V, IOUT = 1 mA to 150 mA DGN package 20 mV
DRV package 10
V(Dropout) Dropout voltage VOUT = 5 V IOUT = 150 mA DGN package 270 540 mV
DRV package 325 585
IOUT = 100 mA DGN package 180 350
DRV package 200 390
VOUT = 3.3 V IOUT = 150 mA DGN package 650
DRV package 345 675
IOUT = 100 mA 255 450
IOUT Output current VOUT in regulation, VIN = 7 V for the fixed 5-V option, VIN = 5.8 V for the fixed 3.3-V option 0 150 mA
I(CL) Output current limit VOUT short to 90% × VOUT 180 510 690 mA
PSRR Power-supply ripple rejection V(Ripple) = 0.5 VPP, IOUT = 10 mA, frequency = 100 Hz, COUT = 2.2 µF 60 dB
OPERATING TEMPERATURE RANGE
T(SD) Junction shutdown temperature 175 ºC
T(HYST) Hysteresis of thermal shutdown 20 ºC