085 datasheet(2/8 Pages) NIKOSEM

2 / 8 page

3A Adjustable Low Dropout

Linear Regulator (LDO)

NIKO-SEM

L1085XG

TO-252,263,220

Lead-Free

JUL-15-2004

ABSOLUTE MAXIMUM RATINGS

Maximum Supply Voltage

Operating Junction

Temperature Range

0 to 125 °C

Power Dissipation

Internally

Limited

Storage Temperature

Range

-40 to 150 °C

Thermal Resistance

Junction to Case,

θJC

5 °C/W

Lead Temperature

(Soldering, 10 Seconds)

260 °C

Thermal Resistance

Junction to Ambient,

θJA

TO-263

TO-252

TO-220

60 °C/W

70 °C/W

50 °C/W

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

Parameter

Symbol

Test Conditions

Typical

Limits

Output Voltage

(Fixed Version)

VIN = 5V, IOUT = 10mA

3.3V

3.234VMin

3.367VMax

Dropout Voltage

VREF = 1%, IOUT = 3A

1.3V

1.50V

Line Regulation

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

0.5%

Load Regulation

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

0.5%

2.5%

Minimum Load

Current

1.5V

≤ (VIN -VOUT) ≤ 5.75V

10mA

GND Pin Current

IGND

µA

100

µA

Current Limit

ICL

VIN - VOUT = 2V

5.0A

4.0A (Min)

RMS Output Noise

0.003%

of VOUT

Ripple Rejection

Ratio

f = 120Hz, CADJ = 22µF for ADJ pin,

VIN = 5V, IOUT = 3A

72dB

60dB (Min)

DEVICE SELECTION GUIDE

Device

L1085DG-3.3

L1085SG-3.3

L1085S3G-3.3

L1085TG-3.3 L1085S5G-3.3

Package

TO-252

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

TO-220

TO-263 (5-Lead)

Marking

L1085G-33

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