IRU1010-18CSPBF datasheet(2/8 Pages) IRF

Part #	IRU1010-18CSPBF

Description	1A LOW DROPOUT POSITIVE FIXED 1.8V REGULATOR

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Manufacturer	IRF [International Rectifier]

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IRU1010-18 & (PbF)

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ABSOLUTE MAXIMUM RATINGS

Input Voltage (VIN) ....................................................

7V

Power Dissipation .....................................................

Internally Limited

Storage Temperature Range ...................................... -65°C To 150°C

Operating Junction Temperature Range .....................

0°C To 125°C

PACKAGE INFORMATION

2-PIN PLASTIC TO-252 (D-Pak)

2-PIN ULTRA THIN-PAKTM (P)

8-PIN PLASTIC SOIC (S)

3-PIN PLASTIC SOT-223 (Y)

Unless otherwise specified, these specifications apply over CIN=1µF, VIN=5V, COUT=10µF and TJ=0 to 125 C.

Typical values refer to TJ=25 C.

Note 1: Low duty cycle pulse testing with Kelvin connections is required in order to maintain accurate data.

Note 2: Dropout voltage is defined as the minimum differential voltage between VIN and VOUT required to maintain

regulation at VOUT. It is measured when the output voltage drops 1% below its nominal value.

ELECTRICAL SPECIFICATIONS

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

Io=10mA, TJ=25 C

Io=10mA

Io=10mA, 4.75V<VIN<7V

10mA<Io<1A

Io=1A

∆Vo=100mV

30ms Pulse, Io=1A

f=120Hz, Co=25µF Tantalum,

Io=0.5A

Io=10mA

TJ=125 C, 1000Hrs

TJ=25 C, 10Hz<f<10KHz

Output Voltage

Line Regulation

Load Regulation (Note 1)

Dropout Voltage (Note 2)

Current Limit

Thermal Regulation

Ripple Rejection

Temperature Stability

Long Term Stability

RMS Output Noise

Vo

1.782

1.764

1.1

1.800

0.01

70

0.5

0.3

0.003

1.818

1.836

7

17

1.3

V

mV

V

A

%/W

dB

%

%Vo

θJA=70°C/W for 0.5" Sq pad

θJA=55°C/W for 1" Sq pad

θJA=90°C/W for 0.4" Sq pad

Gnd

VOUT

VIN

Tab is

VOUT

3

1

2

Gnd

NC

VIN

VOUT

4

3

2

1

5

6

7

8

VOUT

Gnd

Tab is

VOUT

VIN

1

3

Gnd

VIN

1

3

Tab is

VOUT

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