ZHCSE96F September   2015  – April 2021 LP5910

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 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 No-Load Stability
      2. 7.3.2 Thermal Overload Protection
      3. 7.3.3 Short-Circuit Protection
      4. 7.3.4 Output Automatic Discharge
      5. 7.3.5 Reverse Current Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Enable (EN)
  8. Applications 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 External Capacitors
        2. 8.2.2.2 Input Capacitor
        3. 8.2.2.3 Output Capacitor
        4. 8.2.2.4 Capacitor Characteristics
        5. 8.2.2.5 Remote Capacitor Operation
        6. 8.2.2.6 No-Load Stability
        7. 8.2.2.7 Enable Control
        8. 8.2.2.8 Power Dissipation
        9. 8.2.2.9 Estimating Junction Temperature
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
      1. 10.1.1 DSBGA Mounting
      2. 10.1.2 DSBGA Light Sensitivity
    2. 10.2 Layout Examples
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 接收文档更新通知
    3. 11.3 支持资源
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary

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

VOUT = 1.8 V, VIN = VOUT + 0.5 V, VEN = VIN, IOUT = 1 mA, CIN = 1 µF, COUT = 1 µF, TJ = 25°C (unless otherwise noted)

GUID-62981CC9-47C2-4A00-A143-2058796B5E4A-low.gif
VIN = 2.3 VVOUT = 1.8 V
Figure 6-1 VEN Threshold vs Temperature
GUID-2E1CA57D-4021-4106-A600-B7A9B8945479-low.gif
TJ = –40°C
Figure 6-3 VEN Thresholds vs VIN
GUID-BB4D538E-06D7-444E-9147-A7201865AB1A-low.gif
VEN = VIN
Figure 6-5 VOUT vs VIN
GUID-CF92B271-3336-4E3F-AC14-842988A92144-low.gif
VOUT = 0.8 VVEN = VINNo load
Figure 6-7 IQ vs VIN
GUID-D1C08257-8ED8-4BA0-B4E5-41428CFACB98-low.gif
VOUT = 1.8 VVEN = VINNo load
Figure 6-9 IQ vs VIN
GUID-ECB4F327-DC20-4616-93AB-CE3BEF68D850-low.gif
VOUT = 0.8 VVIN = 1.3 VIOUT = 20 mA
Figure 6-11 PSRR vs Frequency
GUID-F9818EE6-0935-404B-A173-6C5E91FBC1DD-low.gif
VOUT = 2.3 VVIN = 2.8 VIOUT = 20 mA
Figure 6-13 PSRR vs Frequency
GUID-315E25D9-BF60-4685-AFB9-0174994DD054-low.gif
VOUT = 2.3 VVIN = 2.8 V
Figure 6-15 Noise Density
GUID-E8E6EE0D-1283-4261-BBFC-41822F524F94-low.gif
VOUT = 0.8 V
Figure 6-17 IGND vs IOUT
GUID-F004ADA8-07CD-4076-A5D3-8FAD07609AE1-low.gif
VOUT = 2.3 V
Figure 6-19 IGND vs IOUT
GUID-8FF1CC74-70D4-49FE-B1E4-922AB519423B-low.gif
VEN = VIN VOUT = 1.8 V COUT = 1 µF
 
Figure 6-21 Turnon Time
GUID-539F2F12-5704-452F-A8D8-4D8EB85F8090-low.gif
VIN = 2.3 V VOUT = 1.8 V COUT = 1 µF
IOUT = 100 mA to 1 mA tFALL = 10 µs
Figure 6-23 Load Transient Response
GUID-DDE1C75D-C810-4959-87B0-8A61FE8B0BF8-low.gif
 
Figure 6-2 VEN Thresholds vs VIN
GUID-C06C03B1-46C4-4D09-AB5E-E2B086283162-low.gif
TJ = 125°C
Figure 6-4 VEN Thresholds vs VIN
GUID-4CA6C74C-D8EC-430A-BDF1-91EAC171629A-low.gif
VEN = VIN
Figure 6-6 VOUT vs VIN
GUID-4F600A1D-1C7D-4A00-AF15-302B1C23DB83-low.gif
VOUT = 1.2 VVEN = VINNo load
Figure 6-8 IQ vs VIN
GUID-C82A157D-F7E3-4AB6-95DB-338451FCE08A-low.gif
VOUT = 2.3 VVEN = VINNo load
Figure 6-10 IQ vs VIN
GUID-B58DE63F-BE52-42B0-94E8-1E5D1A80161D-low.gif
VOUT = 1.8 VVIN = 2.3 VIOUT = 20 mA
Figure 6-12 PSRR vs Frequency
GUID-76C6956A-C40A-4E1F-A98E-78099AE6C5C3-low.gif
VOUT = 0.8 VVIN = 1.3 V
Figure 6-14 Noise Density
GUID-3746BF3C-05C9-4661-81A0-8EA61FF72BB0-low.gif
VIN = VOUT + 0.5 VIOUT = 1 mA
Figure 6-16 ΔVOUT vs Temperature
GUID-269AB40C-522B-4FF7-97B1-40150B2645F9-low.gif
VOUT = 1.8 V
Figure 6-18 IGND vs IOUT
GUID-E6C2072C-F209-415A-89B5-0E473277EB8D-low.gif
 
Figure 6-20 Dropout Voltage vs IOUT
GUID-1555C2D0-C3D2-4AC6-B1D8-DC6C49BF94C1-low.gif
VIN = 2.3 V VOUT = 1.8 V COUT = 1 µF
IOUT = 1 mA to 100 mA tRISE = 10 µs
Figure 6-22 Load Transient Response
GUID-E29A29F4-63A5-4FC2-A486-9B9CB2F2F114-low.gif
ΔVIN = 0.5 V VOUT = 1.8 V COUT = 1 µF
tRISE = tFALL = 30 µs IOUT = 1 mA
Figure 6-24 Line Transient Response