ZHCSM34M May   2004  – March 2023 TPS3808

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Voltage Thresholds
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Switching Characteristics
    7. 7.7 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 SENSE Input
      2. 8.3.2 Selecting the RESET Delay Time
      3. 8.3.3 Manual RESET ( MR) Input
      4. 8.3.4 RESET Output
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation (VDD > VDD(min))
      2. 8.4.2 Above Power-On Reset but Less Than VDD(min) (VPOR < VDD < VDD(min))
      3. 8.4.3 Below Power-On Reset (VDD < VPOR)
  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 Immunity to SENSE Pin Voltage Transients
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Development Support
        1. 12.1.1.1 Evaluation Modules
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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7.5 Electrical Characteristics

1.7 V ≤ VDD ≤ 6.5 V, RLRESET = 100 kΩ, CLRESET = 50 pF, over operating temperature range (TJ = –40°C to 125°C), unless otherwise noted. Typical values are at TJ = 25°C(1).
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
VDDInput supply range–40°C < TJ < 125°C1.76.5V
0°C < TJ < 85°C1.656.5V
IDDSupply current (current into VDD pin)VDD = 3.3 V, RESET not asserted
MR, RESET, CT open		2.45μA
VDD = 6.5 V, RESET not asserted
MR, RESET, CT open		2.76
VOLLow-level output voltage1.3 V ≤ VDD < 1.8 V, IOL = 0.4 mA0.3V
1.8 V ≤ VDD ≤ 6.5 V, IOL = 1 mA0.4
VPORPower-up reset voltage(2)VOL (max) = 0.2 V, I RESET = 15 μA0.8
VITNegative-going input threshold accuracyTPS3808G01–2%±1%2%
VIT ≤ 3.3 V–1.5%±0.5%1.5%
3.3 V < VIT ≤ 5.0 V–2%±1%2%
VIT ≤ 3.3 V–40°C < TJ < 85°C–1.25%±0.5%1.25%
3.3 V < VIT ≤ 5.0 V–40°C < TJ < 85°C–1.5%±0.5%1.5%
VHYSHysteresis on VIT pinTPS3808G011.5%3%VIT
Fixed versions1%2.5%
R MRMR Internal pullup resistance7090kΩ
ISENSEInput current at SENSE pinTPS3808G01VSENSE = VIT–2525nA
Fixed versionsVSENSE = 6.5 V1.7μA
IOHRESET leakage currentV RESET = 6.5 V, RESET not asserted300nA
CINInput capacitance, any pinCT pinVIN = 0 V to VDD5pF
Other pinsVIN = 0 V to 6.5 V5
VILMR logic low input00.3 VDDV
VIHMR logic high input0.7 VDDVDD
(1) The lowest supply voltage (VDD) at which RESET becomes active. Trise(VDD)  ≥ 15 μs/V.
(2) RLRESET and CLRESET are the resistor and capacitor connected to the RESET pin.