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

LT3020是LINEAR凌力尔特公司的一款正稳压器产品，LT3020是LT3020是100mA, Low Voltage, Very Low Dropout Linear Regulators，本站介绍了LT3020的封装应用图解、特点和优点、功能等，并给出了与LT3020相关的LINEAR元器件型号供参考。

LT3020 - LT3020是100mA, Low Voltage, Very Low Dropout Linear Regulators - 正稳压器 - 电源管理 - 凌力尔特

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.

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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