ZHCSD11D September   2014  – December 2018 LP5907-Q1

UNLESS OTHERWISE NOTED, this document contains PRODUCTION DATA.  

  1. 特性
  2. 应用
  3. 说明
    1.     Device Images
      1.      简化原理图
  4. 修订历史记录
  5. Pin Configuration and Functions
    1.     Pin 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 Output and Input Capacitors
    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 LP5907-Q1 Voltage Options
      2. 7.3.2 Enable (EN)
      3. 7.3.3 Low Output Noise
      4. 7.3.4 Output Automatic Discharge
      5. 7.3.5 Remote Output Capacitor Placement
      6. 7.3.6 Thermal Overload Protection (TSD)
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable (EN)
      2. 7.4.2 Minimum Operating Input Voltage (VIN)
  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 Power Dissipation and Device Operation
        2. 8.2.2.2 External Capacitors
        3. 8.2.2.3 Input Capacitor
        4. 8.2.2.4 Output Capacitor
        5. 8.2.2.5 Capacitor Characteristics
        6. 8.2.2.6 Remote Capacitor Operation
        7. 8.2.2.7 No-Load Stability
        8. 8.2.2.8 Enable Control
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Examples
  11. 11器件和文档支持
    1. 11.1 接收文档更新通知
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 术语表
  12. 12机械、封装和可订购信息

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

VIN = 3.7 V, VOUT = 2.8 V, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF, TA = 25°C (unless otherwise noted)
LP5907-Q1 sva30180569_nvs798.gif
Figure 1. Quiescent Current vs Input Voltage
LP5907-Q1 D002_SNVSA34.gif
VOUT = 1.2 V, VEN = VIN
Figure 3. VOUT vs VIN
LP5907-Q1 sva30180571_nvs798.gif
Figure 5. Ground Current vs Output Current
LP5907-Q1 sva30180568_nvs798.gif
Figure 7. Line Regulation
LP5907-Q1 sva30180510_nvs798.gif
VIN = 3.2 V ↔ 4.2 V, load = 1 mA
Figure 9. Line Transient
LP5907-Q1 sva30180512_nvs798.gif
Load = 0 mA ↔ 250 mA, –40°C
Figure 11. Load Transient
LP5907-Q1 sva30180514_nvs798.gif
Load = 0 mA ↔ 250 mA, 25°C
Figure 13. Load Transient
LP5907-Q1 sva30180516_nvs798.gif
250 mA
Figure 15. Start-Up
LP5907-Q1 sva30180573_nvs798.gif
Figure 17. Dropout Voltage vs Load Current
LP5907-Q1 D005_SNVSA34.gif
Figure 19. PSRR Loads Averaged 10 Hz To 10 MHz
LP5907-Q1 D001_SNVSA34.gif
Figure 2. VEN Thresholds vs VIN
LP5907-Q1 D003_SNVSA34.gif
VOUT = 4.5 V, VEN = VIN
Figure 4. VOUT vs VIN
LP5907-Q1 sva30180567_nvs798.gif
Figure 6. Load Regulation
LP5907-Q1 sva30180509_nvs798.gif
Figure 8. Inrush Current
LP5907-Q1 sva30180511_nvs798.gif
VIN = 3.2 V ↔ 4.2 V, load = 250 mA
Figure 10. Line Transient
LP5907-Q1 sva30180513_nvs798.gif
Load = 0 mA ↔ 250 mA, 90°C
Figure 12. Load Transient
LP5907-Q1 sva30180515_nvs798.gif
0 mA
Figure 14. Start-Up
LP5907-Q1 sva30180521_nvs798.pngFigure 16. Noise Density Test
LP5907-Q1 D004_SNVSA34.gif
Figure 18. PSRR Loads Averaged 100 Hz To 100 KHz