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LT3020典型应用图例
LT3020典型应用图例一
LT3020典型应用图例二
LT3020封装图解
LT3020封装图解一
LT3020封装图解二
LT3020封装图解三
LT3020封装图解四
LT3020是100mA, Low Voltage, Very Low Dropout Linear Regulators

LT3020 - 100mA, Low Voltage, Very Low Dropout Linear Regulators

LT3020 - 100mA, Low Voltage, Very Low Dropout Linear Regulators - Linear Technology(凌力尔特)

功能描述

The LT3020 is a very low dropout voltage (VLDO?) linear regulator that operates from input supplies down to 0.9V. This device supplies 100mA of output current with a typical dropout voltage of 150mV. The LT3020 is ideal for low input voltage to low output voltage applications, providing comparable electrical efficiency to that of a switching regulator.

The LT3020 regulator optimizes stability and transient response with low ESR, ceramic output capacitors as small as 2.2μF. Other LT3020 features include 0% line regulation and 0.2% typical load regulation. In shutdown, quiescent current typically drops to 3μA.

Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting with hysteresis, and reverse-current protection. The LT3020 is available as an adjustable output device with an output range down to the 200mV reference. Three fixed output voltages, 1.2V, 1.5V and 1.8V, are also available.

The LT3020 regulator is available in the low profile (0.75mm) 8-lead (3mm × 3mm) DFN package with exposed pad and the 8-lead MSOP package.

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特点
  • VIN Range: 0.9V to 10V
  • Minimum Input Voltage: 0.9V
  • Dropout Voltage: 150mV Typical
  • Output Current: 100mA
  • Adjustable Output (VREF = VOUT(MIN) 200mV)
  • Fixed Output Voltages: 1.2V, 1.5V, 1.8V
  • Stable with Low ESR, Ceramic Output Capacitors (2.2μF Minimum)
  • 0.2% Load Regulation from 0mA to 100mA
  • Quiescent Current: 120μA (Typ)
  • 3μA Typical Quiescent Current in Shutdown
  • Current Limit Protection
  • Reverse-Battery Protection
  • No Reverse Current
  • Thermal Limiting with Hysteresis
  • 8-Lead DFN (3mm × 3mm) and MSOP Packages
  • 应用
  • Low Current Regulators
  • Battery-Powered Systems
  • Cellular Phones
  • Pagers
  • Wireless Modems
  • 以下列出了不同封装及包装形式的具体型号,并标出了直接在linear官网上订货的价格(美元)
    器件型号 封装 温度 价格 (以 1 ~ 99 片为批量) 价格 (以 1000 片为批量)
    LT3020EDD 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.2 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.2#PBF 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.2#TR 3x3 DFN-8 E $1.55
    LT3020EDD-1.2#TRPBF 3x3 DFN-8 E $1.55
    LT3020EDD-1.5 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.5#PBF 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.5#TR 3x3 DFN-8 E $1.55
    LT3020EDD-1.5#TRPBF 3x3 DFN-8 E $1.55
    LT3020EDD-1.8 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.8#PBF 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD-1.8#TR 3x3 DFN-8 E $1.55
    LT3020EDD-1.8#TRPBF 3x3 DFN-8 E $1.55
    LT3020EDD#PBF 3x3 DFN-8 E $1.79 $1.50
    LT3020EDD#TR 3x3 DFN-8 E $1.55
    LT3020EDD#TRPBF 3x3 DFN-8 E $1.55
    LT3020EMS8 MS-8 E $1.79 $1.50
    LT3020EMS8-1.2 MS-8 E $1.79 $1.50
    LT3020EMS8-1.2#PBF MS-8 E $1.79 $1.50
    LT3020EMS8-1.2#TR MS-8 E $1.55
    LT3020EMS8-1.2#TRPBF MS-8 E $1.55
    LT3020EMS8-1.5 MS-8 E $1.79 $1.50
    LT3020EMS8-1.5#PBF MS-8 E $1.79 $1.50
    LT3020EMS8-1.5#TR MS-8 E $1.55
    LT3020EMS8-1.5#TRPBF MS-8 E $1.55
    LT3020EMS8-1.8 MS-8 E $1.79 $1.50
    LT3020EMS8-1.8#PBF MS-8 E $1.79 $1.50
    LT3020EMS8-1.8#TR MS-8 E $1.55
    LT3020EMS8-1.8#TRPBF MS-8 E $1.55
    LT3020EMS8#PBF MS-8 E $1.79 $1.50
    LT3020EMS8#TR MS-8 E $1.55
    LT3020EMS8#TRPBF MS-8 E $1.55
    LT3020IDD 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.2 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.2#PBF 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.2#TR 3x3 DFN-8 I $1.70
    LT3020IDD-1.2#TRPBF 3x3 DFN-8 I $1.70
    LT3020IDD-1.5 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.5#PBF 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.5#TR 3x3 DFN-8 I $1.70
    LT3020IDD-1.5#TRPBF 3x3 DFN-8 I $1.70
    LT3020IDD-1.8 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.8#PBF 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD-1.8#TR 3x3 DFN-8 I $1.70
    LT3020IDD-1.8#TRPBF 3x3 DFN-8 I $1.70
    LT3020IDD#PBF 3x3 DFN-8 I $2.29 $1.60
    LT3020IDD#TR 3x3 DFN-8 I $1.70
    LT3020IDD#TRPBF 3x3 DFN-8 I $1.70
    LT3020IMS8 MS-8 I $2.29 $1.60
    LT3020IMS8-1.2 MS-8 I $2.29 $1.60
    LT3020IMS8-1.2#PBF MS-8 I $2.29 $1.60
    LT3020IMS8-1.2#TR MS-8 I $1.66
    LT3020IMS8-1.2#TRPBF MS-8 I $1.66
    LT3020IMS8-1.5 MS-8 I $2.29 $1.60
    LT3020IMS8-1.5#PBF MS-8 I $2.29 $1.60
    LT3020IMS8-1.5#TR MS-8 I $1.66
    LT3020IMS8-1.5#TRPBF MS-8 I $1.66
    LT3020IMS8-1.8 MS-8 I $2.29 $1.60
    LT3020IMS8-1.8#PBF MS-8 I $2.29 $1.60
    LT3020IMS8-1.8#TR MS-8 I $1.66
    LT3020IMS8-1.8#TRPBF MS-8 I $1.66
    LT3020IMS8#PBF MS-8 I $2.29 $1.60
    LT3020IMS8#TR MS-8 I $1.66
    LT3020IMS8#TRPBF MS-8 I $1.66
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