ZHCSPK8B December   2021  – May 2024 REF35

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 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 Electrical Characteristics YBH package
    7. 6.7 Typical Characteristics
  8. 7 Parameter Measurement Information
    1. 7.1 Solder Heat Shift
    2. 7.2 Temperature Coefficient
    3. 7.3 Long-Term Stability
    4. 7.4 Thermal Hysteresis
    5. 7.5 Noise Performance
      1. 7.5.1 Low-Frequency (1/f) Noise
      2. 7.5.2 Broadband Noise
    6. 7.6 Power Dissipation
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Supply Voltage
      2. 8.3.2 EN Pin
      3. 8.3.3 NR Pin
    4. 8.4 Device Functional Modes
      1. 8.4.1 Basic Connections
      2. 8.4.2 Start-Up
      3. 8.4.3 Output Transient Behavior
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Negative Reference Voltage
      2. 9.2.2 Precision Power Supply and Reference
        1. 9.2.2.1 Design Requirements
        2. 9.2.2.2 Detailed Design Procedure
          1. 9.2.2.2.1 Selection of Reference
          2. 9.2.2.2.2 Input and Output Capacitors
          3. 9.2.2.2.3 Selection of ADC
        3. 9.2.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Examples
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Revision History
  13. 12Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.5 Electrical Characteristics

At VIN = VREF + 0.5V, VEN = VIN, CL = 10µF, CIN = 0.1µF, IL = 0mA, minimum and maximum specifications at TA = –40℃ to 125℃, typical specifications TA = 25℃; unless otherwise noted
PARAMETER TEST CONDITION MIN TYP MAX UNIT
ACCURACY AND DRIFT
Output voltage accuracy TA = 25℃ –0.05 0.05 %
Output voltage temperature coefficient –40℃ ≤ TA ≤ 105℃ 12 ppm/℃
LINE AND LOAD REGULATION
ΔVREF/ΔVIN Line regulation VREF < 2.5V; VIN = VREF + VDO to VINMAX; –40℃ ≤ TA ≤ 105℃ 40 160 ppm/V
VREF ≥ 2.5V; VIN = VREF + VDO to VINMAX; –40℃ ≤ TA ≤ 105℃ 40 120 ppm/V
ΔVREF/ΔIL Load regulation IL = 0mA to 10mA,
VIN = VREF + VDO		 Source 20 60 ppm/mA
IL = 0mA to 5mA,
VIN = VREF + VDO		 Sink 40 350 ppm/mA
POWER SUPPLY
VIN Input voltage (1) VREF + VDO 6 V
IQ Quiescent current Active mode TA = 25℃ 0.65 0.9 µA
–40℃ ≤ TA ≤ 85℃ 1.3
–40℃ ≤ TA ≤ 125℃ 2.6
Shutdown mode TA = 25℃ 0.1
–40℃ ≤ TA ≤ 125℃ 0.5
VEN Enable pin voltage Active mode (EN = 1 or Float) 0.7 x VIN V
Shutdown mode (EN = 0) 0.3 x VIN
IEN Enable pin current VEN = VIN 0.05 0.1 uA
VDO Dropout voltage IL = 5mA 120 mV
IL = 10mA 250
ISC Short circuit current, Sourcing VREF = 0V, TA = 25℃ 33 mA
ISC Short circuit current, Sinking VREF = VIN V, TA = 25℃ 21 mA
TURN-ON TIME
tON Turn-on time (2) 0.1% settling, CL = 1µF, VREF = 2.5V 2 ms
NOISE
en Output voltage noise ƒ = 10Hz to 1kHz, CL = 1µF 0.7 ppmrms
enp-p Low-frequency noise ƒ = 0.1Hz to 10Hz, VREF ≥ 2.5V 3.8 ppmp-p
ƒ = 0.1Hz to 10Hz, VREF < 2.5V 3.3 ppmp-p
HYSTERESIS AND LONG-TERM STABILITY
Long-term stability 0 to 1000h at 35°C 40 ppm
Output voltage hysteresis 25°C, –40°C, 105°C, 25°C (cycle 1) 70 ppm
Output voltage hysteresis 25°C, –40°C, 105°C, 25°C (cycle 2) 20 ppm
Output voltage hysteresis 25°C, –40°C, 85°C, 25°C (cycle 1) 50 ppm
Output voltage hysteresis 25°C, –40°C, 85°C, 25°C (cycle 2) 13 ppm
STABLE CAPACITANCE RANGE
Input capacitor range 0.1 µF
Output capacitor range (3)  0.1 10 µF
(1) For VREF = 1.024V to 1.5V, minimum VIN = 1.7V
(2) Scales linearly with VREF.
(3) ESR for the capacitor <= 400mΩ
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