L1085-3.3 Просмотр технического описания (PDF) - Niko Semiconductor

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Компоненты Описание

производитель

L1085-3.3

3A adjustable low dropout linear regulator (LDO)

Niko Semiconductor 

NIKO-SEM

3A Adjustable Low Dropout

Linear Regulator (LDO)

L1085

TO-252,263,220

ABSOLUTE MAXIMUM RATINGS

z Maximum Supply Voltage

z Power Dissipation

z Thermal Resistance

Junction to Case, θJC

z Thermal Resistance

Junction to Ambient, θJA

TO-263

TO-252

TO-220

7V

Internally

Limited

5 °C/W

60 °C/W

70 °C/W

50 °C/W

z Operating Junction

Temperature Range

z Storage Temperature

Range

z Lead Temperature

(Soldering, 10 Seconds)

0 to 125 °C

-40 to 150 °C

260 °C

ELECTRICAL CHARACTERISTICS (Unless otherwise specified, TA = 25 °C.)

Parameter

Symbol

Test Conditions

Typical

Reference Voltage

Dropout Voltage

Line Regulation

Load Regulation

Minimum Load

Current

Adjust Pin Current

Current Limit

VREF VIN = 5V, IOUT = 10mA

VD ΔVREF = 1%, IOUT = 3A

REG(LINE) (VOUT + 1.5V) ≤ VIN ≤ 7V, IOUT = 10mA

REG(LOAD) (VIN -VOUT) = 3V, 10mA ≤ IOUT ≤ 3A

IO 1.5V ≤ (VIN -VOUT) ≤ 5.75V

IADJ

ICL VIN - VOUT = 2V

RMS Output Noise VN

Ripple Rejection

Ratio

RA

f = 120Hz, CADJ = 22µF for ADJ pin,

VIN = 5V, IOUT = 3A

1.25V

1.3V

0.5%

0.5%

10mA

55µA

5.0A

0.003%

of VOUT

72dB

Limits

1.23VMin

1.27VMax

1.45V

2%

2.5%

100µA

4.0A (Min)

60dB (Min)

DEVICE SELECTION GUIDE

Device

L1085D

Package

Marking

TO-252

L1085D

L1085S

L1085S3

TO-263 (2-Lead) TO-263 (3-Lead)

L1085S

L1085S3

L1085T

TO-220

L1085T

2

MAY-31-2001

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