IP1621 datasheet(4/15 Pages) INTERPION

4 / 15 page

April.2003 (Rev.1)

- 4 -

IP1621

DUAL OUTPUT VOLTAGE LDO REGULATOR + RESET IC

www.interpionsemi.com

ELECTRICAL CHARACTERISTICS

Characteristics

Symbol

Condition

Min.

Typ.

Max.

Units

Quiescent current

Icc

Vcc=5V, No-Load

OVP Dectecting Voltage

Vovp

Vcc=Variable

6.5

7.5

LDO REGULATOR 1 (3.4V FIXED TYPE)

Output Voltage

Vout1

Io=10mA

3.3

3.4

3.5

Line Regulation

dVline1

Vin=4.5~6V, Io=10mA

0.035

0.2

Load Regulation

dVload 1

Ta=25

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

0.4

Dropout voltage

Vdrop1

Io=300mA

0.9

1.2

Ripple rejection

*Note1

RR1

F=120Hz, Co=10uF Tantalum

Vin-Vout=2V, Io=150mA

Current limit

*Note2

Ilimit1

Vin=5V

300

Temperature

stability

*Note1

Temp1

0.5

LDO REGULATOR 2 (2.67V FIXED TYPE

)

Output Voltage

Vout2

Io=10mA

2.59

2.67

2.75

Line Regulation

dVline2

Vin=4.5~6V, Io=10mA

0.035

0.2

Load Regulation

dVload 2

Ta=25

Vin=5V, 10mA < Io < 450mA

0.4

Dropout voltage

Vdrop2

Io=450mA

2.5

2.8

Ripple rejection

*Note1

RR2

F=120Hz, Co=10uF Tantalum

Vin-Vout=3V, Io=250mA

Current limit

*Note2

Ilimit2

Vin=5V

450

Temperature

stability

*Note1

Temp2

0.5

Noise Voltage

Vn1

f=10Hz~10kHz Io=120mA

100

uVrms

Noise Voltage

Vn2

f=10Hz~10kHz Io=200mA

100

uVrms

( Vin= 5V, Co=10uF, Ta = 25

OC, unless otherwise specified.)

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