LT3022 查看數據表（PDF） - Linear Technology

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LT3022

1A, 0.9V to 10V, Very Low Dropout Linear Regulator

Linear Technology 

LT3022/LT3022-1.2

LT3022-1.5/LT3022-1.8

TYPICAL APPLICATION

1.5V to 1.2V, 1A VLDO Regulator

VIN

1.5V

IN

OUT

10µF

LT3022-1.2

SHDN SENSE

GND

RLD

1.2K*

VOUT

1.2V

10µF 1A

3022 TA02

*RLD: OPTIONAL (TO SATISFY 1mA MINIMUM LOAD CURRENT REQUIREMENT)

RELATED PARTS

PART NUMBER

LT3020

LT3021

LTC®3025

LTC3025-1/LTC3025-2/

LTC3025-3/LTC3025-4

LTC3026

LT3029

LTC3035

LT3080/LT3080-1

LT3085

DESCRIPTION

100mA, Low Voltage VLDO Linear Regulator

500mA, Low Voltage, VLDO Linear Regulator

300mA Micropower VLDO Linear Regulator

500mA Micropower VLDO Linear Regulator in

2mm × 2mm DFN

1.5A, Low Input Voltage VLDO Linear Regulator

Dual 500mA/500mA, Low Dropout, Low Noise,

Micropower Linear Regulator

300mA VLDO Linear Regulator with Charge

Pump Bias Generator

1.1A, Parallelable, Low Noise, Low Dropout

Linear Regulator

500mA, Parallelable, Low Noise, Low Dropout

Linear Regulator

COMMENTS

VIN: 0.9V to 10V, VOUT : 0.2V to 9.5V, VDO = 0.15V, IQ = 120µA,

Noise: <250µVRMS, Stable with 2.2µF Ceramic Capacitors, DFN-8,

MS8 Packages

VIN: 0.9V to 10V, Dropout Voltage: 160mV Typical, Adjustable Output

(VREF = VOUT(MIN) = 200mV), Fixed Output Voltages: 1.2V, 1.5V, 1.8V, Stable

with Low ESR, Ceramic Output Capacitors, 16-Pin DFN (5mm × 5mm) and

8-Lead SO Packages

VIN = 0.9V to 5.5V, Dropout Voltage: 45mV, Low Noise 80µVRMS,

Low IQ: 54µA, 2mm × 2mm 6-Lead DFN Package

VIN = 0.9V to 5.5V, Dropout Voltage: 75mV, Low Noise 80µVRMS,

Low IQ: 54µA, Fixed Output: 1.2V (LTC3025-2), 1.5V (LTC3025-3),

1.8V (LTC3025-4); Adjustable Output Range: 0.4V to 3.6V (LTC3025-1),

2mm × 2mm 6-Lead DFN Package

VIN: 1.14V to 3.5V (Boost Enabled), 1.14V to 5.5V (with External 5V),

VDO = 0.1V, IQ = 950µA, Stable with 10µF Ceramic Capacitors, 10-Lead

eMSOP and DFN-10 Packages

Output Current: 500mA per Channel, Low Dropout Voltage: 300mV Low

Noise: 20µVRMS (10Hz to 100kHz), Low Quiescent Current: 55µA per Channel,

Wide Input Voltage Range: 1.8V to 20V (Common or Independent Input

Supply), Adjustable Output: 1.215V Reference, Very Low Quiescent Current

in Shutdown: <1µA per Channel Stable with 3.3µF Minimum Output Capacitor,

Stable with Ceramic, Tantalum or Aluminum Electrolytic Capacitors, Reverse-

Battery, and Reverse Output-to-Input Protection, Thermally Enhanced 16-Lead

eMSOP and 16-Lead (4mm × 3mm) DFN Packages

VIN = 1.7V to 5.5V, VOUT : 0.4V to 3.6V, Dropout Voltage: 45mV, IQ: 100µA,

3mm × 2mm DFN-8

300mV Dropout Voltage (2-Supply Operation), Low Noise: 40µVRMS,

VIN: 1.2V to 36V, VOUT : 0V to 35.7V, Current-Based Reference with 1-Resistor

VOUT Set; Directly Parallelable (No Op Amp Required), Stable with Ceramic

Capacitors, TO-220, SOT-223, eMSOP-8 and 3mm × 3mm DFN-8 Packages;

LT3080-1 Has Integrated Internal Ballast Resistor

275mV Dropout Voltage (2-Supply Operation), Low Noise: 40µVRMS,

VIN: 1.2V to 36V, VOUT : 0V to 35.7V, Current-Based Reference with 1-Resistor

VOUT Set; Directly Parallelable (No Op Amp Required), Stable with Ceramic

Capacitors, eMSOP-8 and 2mm × 3mm DFN-6 packages

20 Linear Technology Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417

(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com

3022fb

LT 0212 REV B • PRINTED IN USA

LINEAR TECHNOLOGY CORPORATION 2010

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