ZHCSG47C February   2017  – December 2022

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
  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 Switching Characteristics
    7. 6.7 Typical Characteristics
  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 Adjustable Power-Good Threshold (PG, PGADJ)
      3. 7.3.3 Adjustable Power-Good Delay Timer (DELAY)
      4. 7.3.4 Undervoltage Shutdown
      5. 7.3.5 Current Limit
      6. 7.3.6 Thermal Shutdown
      7. 7.3.7 Integrated Watchdog
        1. 7.3.7.1 Window Watchdog (WTS, ROSC, FSEL and WRS)
        2. 7.3.7.2 Standard Watchdog (WTS, ROSC and FSEL)
        3. 7.3.7.3 Watchdog Service Signal and Watchdog Fault Outputs (WD and WDO)
        4. 7.3.7.4 ROSC Status Detection (ROSC)
        5. 7.3.7.5 Watchdog Enable (PG and WD_EN)
        6. 7.3.7.6 Watchdog Initialization
        7. 7.3.7.7 Window Watchdog Operation (WTS = Low)
        8. 7.3.7.8 Standard Watchdog Operation (WTS = High)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Operation With Input Voltage Lower Than 4 V
      2. 7.4.2 Operation With Input Voltage Higher Than 4 V
  8. Application and Implementation
    1. 8.1 Application Information
    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. 8.2.2.3 Power-Good Threshold
        4. 8.2.2.4 Power-Good Delay Period
        5. 8.2.2.5 Watchdog Setup
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  9. Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 术语表
  10. 10Mechanical, 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

Typical Characteristics

at VIN = 14 V, VEN ≥ 2 V, and TJ = –40°C to +150°C (unless otherwise noted)

GUID-3E19BB41-36F1-494C-83DA-58E2BE84C978-low.gif
 
Figure 6-1 Quiescent Current vs Output Current
GUID-03ACD0CE-3DC7-4137-B109-BC418862BA34-low.gif
 
Figure 6-3 Shutdown Current vs Ambient Temperature
GUID-21E3E9D9-FE2F-43AF-97BF-C99B6B63B445-low.gif
 
Figure 6-5 Dropout Voltage vs Output Current
GUID-97841102-B9F4-49B8-99B6-AA9C7FF129E4-low.gif
VOUT = 5 V
Figure 6-7 Output Voltage vs Ambient Temperature
GUID-9FD37418-E283-45CD-B5A5-97E26C8FEF6F-low.gif
VIN = 5.6 V
Figure 6-9 Output Current Limit (ILIM) vs Ambient Temperature
GUID-C1BE0522-4276-4CDE-A6F9-A170AC15216B-low.gif
 
Figure 6-11 Line Regulation
GUID-B2326E55-AD5D-4DF8-8C4A-1E2CCA5185E0-low.gif
COUT = 10 μF, IOUT = 100 mA, TA = 25°C
Figure 6-13 PSRR vs Frequency
GUID-EB98CB0D-21A1-4E9A-843A-1D1FC0A1CD14-low.gif
VIN = 6 V to 40 V, VOUT = 5 V, COUT = 10 µF, IOUT = 1 mA
Figure 6-15 Line Transient
GUID-3EE786F7-CFED-4A0E-A0D0-907DE047D05D-low.gif
VIN = 9 V to 16 V, VOUT = 5 V, COUT = 10 µF, IOUT = 200 mA
Figure 6-17 Line Transient
GUID-3AA08C57-1718-4560-AE08-D090ADD153AD-low.gif
VOUT = 5 V, COUT = 10 µF, IOUT = 1 mA to 200 mA
Figure 6-19 Load Transient
GUID-5C398AA4-1B8F-45A3-9184-93154C7F70CF-low.gif
 
Figure 6-2 Quiescent Current vs Input Voltage
GUID-E75BC83F-EB53-4E24-91AD-A5948B4ABC3D-low.gif
 
Figure 6-4 Quiescent Current vs Ambient Temperature
GUID-5A800840-238E-4924-A095-2590BAD6801C-low.gif
IOUT = 200 mA
Figure 6-6 Dropout Voltage vs Ambient Temperature
GUID-DB1B282E-B52F-40DC-80BC-A1D0511698B3-low.gif
VOUT = 5 V
Figure 6-8 Output Voltage vs Input Voltage
 
Figure 6-10 Load Regulation
GUID-2D7EBE4F-DE09-44BA-A4B3-ED7CF247A068-low.gif
COUT = 10 μF, IOUT = 1 mA, TA = 25°C
Figure 6-12 PSRR vs Frequency
GUID-6A5F844F-EAFF-48AF-897E-D8FA26914D6F-low.gif
 
Figure 6-14 ESR Stability vs Output Capacitance
GUID-6DD7B76B-BC0C-48AF-B887-D157A64DD5BF-low.gif
VIN = 40 V to 6 V, VOUT = 5 V, COUT = 10 µF, IOUT = 1 mA
Figure 6-16 Line Transient
GUID-EBC6A7BF-C7DD-4345-B632-AD5ACF825170-low.gif
VIN = 16 V to 9 V, VOUT = 5 V, COUT = 10 µF, IOUT = 200 mA
Figure 6-18 Line Transient
GUID-909D0F15-3185-444C-AEAB-FE363F5CFE2F-low.gif
VOUT = 5 V, COUT = 10 µF, IOUT = 200 mA to 1 mA
Figure 6-20 Load Transient