HA178M09 datasheet(13/17 Pages) HITACHI

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HA178M00 Series

HA178M24P/PJ, HA178M24 Electrical Characteristics (V

IN = 33 V, IOUT = 350 mA,

0°C Tj 125°C, C

IN = 0.33 µF, COUT = 0.1 µF, unless otherwise specified)

Item

Symbol

Min

Typ

Max

Unit

Test Conditions

Output voltage

OUT

23.0

24.0

25.0

Tj = 25

°C

22.8

—

25.2

27 V

≤ V

IN ≤ 38 V,

5 mA

≤ I

OUT ≤ 350 mA, PT ≤ 7.5 W

Line regulation

δV

O Line

—

480

Tj = 25

°C

27 V

≤ V

IN ≤ 38 V,

OUT = 200 mA

—

6.0

240

28 V

≤ V

IN ≤ 38 V,

OUT = 200 mA

Load regulation

δV

O Load

—

480

Tj = 25

°C

5 mA

≤ I

OUT ≤ 500 mA

—

240

5 mA

≤ I

OUT ≤ 200 mA

Quiescent current

—

5.0

8.0

Tj = 25

°C, I

OUT = 0

Quiescent current

change

δI

—

0.8

27 V

≤ V

IN ≤ 38 V,

OUT = 200 mA

—

0.5

5 mA

≤ I

OUT ≤ 350 mA

Output noise voltage

—

170

—

µV

Ta = 25

°C, 10 Hz ≤ f ≤ 100 kHz

Ripple rejection ratio

REJ

—

f = 120 Hz

OUT = 100 mA

—

Tj = 25

°CI

OUT = 300 mA

Dropout voltage

Vdrop

—

2.0

—

OUT = 350 mA, Tj = 25°C

Output short-circuit

current

—

240

—

Tj = 25

°C, V

IN = 35 V

Peak output current

Io peak

—

700

—

Tj = 25

°C

Temperature coefficient

of output voltage

δV

OUT/ δTj

—

–1.2

—

mV/

°CI

OUT = 5 mA, 0°C ≤ Tj ≤ 125°C

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