LT1962 300mA, Low Noise, Micropower LDO Regulators

The LT™1962 series are micropower, low noise, low dropout regulators. The devices are capable of supplying 300mA of output current with a dropout voltage of 270mV. Designed for use in battery-powered systems, the low 30µA quiescent current makes them an ideal choice. Quiescent current is well controlled; it does not rise in dropout as it does with many other regulators.

A key feature of the LT1962 regulators is low output noise. With the addition of an external 0.01µF bypass capacitor, output noise drops to 20µVRMS over a 10Hz to 100kHz bandwidth. The LT1962 regulators are stable with output capacitors as low as 3.3µF. Small ceramic capacitors can be used without the series resistance required by other regulators.

Internal protection circuitry includes reverse battery protection, current limiting, thermal limiting and reverse current protection. The parts come in fixed output voltages of 1.5V, 1.8V, 2.5V, 3V, 3.3V and 5V, and as an adjustable device with a 1.22V reference voltage. The LT1962 regulators are available in the 8-lead MSOP package

产品特点 Features

Low Noise: 20µVRMS (10Hz to 100kHz)
Output Current: 300mA
Low Quiescent Current: 30µA
Wide Input Voltage Range: 1.8V to 20V
Low Dropout Voltage: 270mV
Very Low Shutdown Current: < 1µA
No Protection Diodes Needed
Fixed Output Voltages: 1.5V, 1.8V, 2.5V, 3V, 3.3V, 5V
Adjustable Output from 1.22V to 20V
Stable with 3.3µF Output Capacitor
Stable with Aluminum, Tantalum or Ceramic Capacitors
Reverse Battery Protection
No Reverse Current
Overcurrent and Overtemperature Protected
8-Lead MSOP Package

应用

Cellular Phones
Battery-Powered Systems
Noise-Sensitive Instrumentation Systems

典型应用图

参数

LT1962 订购信息和价格参考Package Variations and Pricing

器件型号	封装	引脚	温度	价格 (以 1 ~ 99 片为批量)	价格 (以 1000 片为批量) *
LT1962EMS8	MSOP	8	E	$2.00	$1.65
LT1962EMS8#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8#TR	MSOP	8	E		$1.71
LT1962EMS8#TRPBF	MSOP	8	E		$1.71
LT1962EMS8-1.5	MSOP	8	E	$2.00	$1.65
LT1962EMS8-1.5#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8-1.5#TR	MSOP	8	E		$1.71
LT1962EMS8-1.5#TRPBF	MSOP	8	E		$1.71
LT1962EMS8-1.8	MSOP	8	E	$2.00	$1.65
LT1962EMS8-1.8#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8-1.8#TR	MSOP	8	E		$1.71
LT1962EMS8-1.8#TRPBF	MSOP	8	E		$1.71
LT1962EMS8-2.5	MSOP	8	E	$2.00	$1.65
LT1962EMS8-2.5#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8-2.5#TR	MSOP	8	E		$1.71
LT1962EMS8-2.5#TRPBF	MSOP	8	E		$1.71
LT1962EMS8-3	MSOP	8	E	$2.00	$1.65
LT1962EMS8-3#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8-3#TR	MSOP	8	E		$1.71
LT1962EMS8-3#TRPBF	MSOP	8	E		$1.71
LT1962EMS8-3.3	MSOP	8	E	$2.00	$1.65
LT1962EMS8-3.3#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8-3.3#TR	MSOP	8	E		$1.71
LT1962EMS8-3.3#TRPBF	MSOP	8	E		$1.71
LT1962EMS8-5	MSOP	8	E	$2.00	$1.65
LT1962EMS8-5#PBF	MSOP	8	E	$2.00	$1.65
LT1962EMS8-5#TR	MSOP	8	E		$1.71
LT1962EMS8-5#TRPBF	MSOP	8	E		$1.71

LT1962 数据手册及相关资料下载

数据手册(英文) : LT1962 - 300mA, Low Noise, Micropower LDO Regulators.PDF
应用指南 (英文) : AN83 - Performance Verification of Low Noise, Low Dropout Regulators.PDF
可靠性数据 : R386 Reliability Data .PDF