IP1521 datasheet(4/14 Pages) INTERPION

4 / 14 page

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August. 2002 (Rev.4)

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IP1521

DUAL OUTPUT VOLTAGE SERIES REGULATOR

ELECTRICAL CHARACTERISTICS

Characteristics

Symbol

Condition

Min.

Typ.

Max.

Units

Quiescent current

Icc

Vcc=5V, No-Load

OVP Detecting

Voltage

Vovp

Vcc=Variable

6.5

3.3V REGULATOR PART

Output Voltage

Vout1

Io=10mA

3.2

3.3

3.4

Line Regulation

dVline1

Vin=4.5~6V, Io=10mA

0.035

0.2

Load Regulation

dVload 1

Vin=5V, 10mA < Io < 500mA

0.4

0.8

Dropout voltage

Vdrop1

Io=500mA

1.1

1.3

Ripple rejection

RR1

F=120Hz, Co=10uF Tantalum

(Vin-Vout)=3V, Io=200mA

Current limit *Note

Ilimit1

Vin-Vout=2V

650

Temperature

stability

Temp1

0.5

1.8V REGULATOR PART

Output Voltage

Vout2

Io=10mA

1.746

1.8

1.854

Line Regulation

dVline2

Vin=4.5~6V, Io=10mA

0.035

0.2

Load Regulation

dVload2

Vin=5V, 10mA < Io < 300mA

0.4

0.8

Dropout voltage

Vdrop2

Io=300mA

1.7

2.1

Ripple rejection

RR2

F=120Hz, Co=10uF Tantalum

(Vin-Vout)=3V, Io=100mA

Current limit *Note

Ilimit2

Vin-Vout=3.5V

450

Temperature

stability

Temp2

0.5

Output noise

voltage 1

Vn1

Iout=300mA

100

Output noise

voltage 2

Vn2

Iout=150mA

100

( Vin= 5V, Co=10uF, Ta = 25OC, unless otherwise specified.)

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