Datasheet KIA378R37PI, KIA378R35PI, KIA378R33PI, KIA378R30PI, KIA378R25PI Datasheet (KEC)

SEMICONDUCTOR

KIA378R25PI~KIA378R37PI

TECHNICAL DATA

4 TERMINAL 3A OUTPUT LOW DROP

VOLTAGE REGULATOR

The KIA378Rᴧᴧ Series are Low Drop Voltage Regulator

suitable for various electronic equipments.

It provides constant voltage power source with TO-220 4 terminal

lead full molded PKG. The Regulator has multi function such as

over current protection, overheat protection and ON/OFF control.

FEATURES

ᴌ3.0A Output Low Drop Voltage Regulator.

ᴌBuilt in ON/OFF Control Terminal.

ᴌBuilt in Over Current Protection, Over Heat

Protection Function.

LINE UP

ITEM OUTPUT VOLTAGE (Typ.) UNIT

* KIA378R25PI 2.5

BIPOLAR LINEAR INTEGRATED CIRCUIT

C

O

S

H

DIM

A

B
C

D

E

F

G

H

J

R

K
L

M

N

O

P

R

S

T

U

V

DC INPUT (V )

1

DC OUTPUT (V )

2

GND

3

ON/OFF CONTROL

4

MILLIMETERS

_
+

10.00 0.20
_

+

15.00 0.20

_
+

2.70 0.20
_

+

0.60 0.10

_
+

Φ3.20 0.20

_
+

3.50 0.10

_
+

15.70 0.20
_

+

0.40 0.10

14.3+0.2/-0.1
_

+

1.45 0.10
_

+

1.00 0.10

2.54
_

+

4.50 0.20
_

+

7.5 0.1
_

+

1.50 0.10

5

8

_
+

1.30 0.1
_

+

3-1.00 0.1

_
+

1.30 0.1

IN

O

E

B

L

J

P

A

V

V

T

M

1234

F

G

L

K

U

D

N

TO-220IS-4

* KIA378R30PI 3.0

* KIA378R33PI 3.3

* KIA378R35PI 3.5

* KIA378R37PI 3.7

* Note) * : Under Development.

MAXIMUM RATING (Ta=25ᴱ)

CHARACTERISTIC SYMBOL RATING UNIT Remark

Input Voltage

ON/OFF Control Voltage

Output Current

Power Dissipation 1

Power Dissipation 2

Junction Temperature

Operating Temperature

Storage Temperature

Soldering Temperature (10sec)

V

V

IN

V

C

I

O

P

d1

P

d2

T

j

T

opr

T

stg

T

sol

15 V -

15 V -

3 A -

1.5 W No heatsink

15 W with heatsink

125

-20ᴕ80

-30ᴕ125

260

ᴱ

ᴱ

ᴱ

ᴱ

-

-

-

-

2001. 6. 28 1/5

Revision No : 1

KIA378R25PI~KIA378R37PI

ELECTRICAL CHARACTERISTICS (Ta=25ᴱ)

(Unless otherwise specified, I

CHARACTERISTIC SYMBOL CONDITIONS MIN. TYP. MAX. UNIT

Output Voltage

Load Regulation Reg Load

Line Regulation Reg Line (Note 2) - 0.5 2.5 %

Temperature Coefficient of Output Voltage

Ripple Rejection

Drop Out Voltage

Output ON state for control Voltage

Output ON state for control Current

Output OFF state for control Voltage

Output OFF state for control Current

Quiescent Current

Note1) VINof KIA378R25=4.2V Note2) VINof KIA378R25=3.2ᴕ10V Note3) At VIN=0.95V

" KIA378R30=4.7V " KIA378R30=3.7ᴕ10V

" KIA378R33=5.0V " KIA378R33=4.0ᴕ10V

" KIA378R35=5.2V " KIA378R35=4.2ᴕ10V

" KIA378R37=5.4V " KIA378R37=4.4ᴕ10V

=1.0A, Ta=25ᴱ, Note1.)

O

KIA378R25

- 2.438 2.50 2.562

KIA378R30 - 2.925 3.00 3.075

KIA378R33 - 3.220 3.30 3.380

V

O

KIA378R35 - 3.413 3.50 3.587

KIA378R37 - 3.608 3.70 3.792

TCV

RᴌR

V

V

C(ON)

I

C(ON)

V

C(OFF)

I

C(OFF)

I

IO=5mAᴕ3A

O

Tj=0ᴕ125ᴱ

- 45 55 - dB

D

IO=3A

- 2.0 - - V

VC=2.7V

- - - 0.8 V

VC=0.4V

Q

IO=0

- 0.1 2.0 %

-

ᴦ0.02 ᴦ0.05 %/ᴱ

- - 0.5 V

- - 20

- - -0.4 mA

- - 10 mA

O

V

ỌA

BLOCK DIAGRAM

V

IN

Control

1

4

BANDGAP

REFERENCE

OUTPUT ON/OFF

CONTROL

ASO

PROTECTION

OVER HEAT

PROTECTION

3

GND

V

2

o

-

+

2001. 6. 28 2/5

Revision No : 1

KIA378R25PI~KIA378R37PI

Fig. 1 Standard Test Circuit

V

IN

12

KIA378RXXPI

3

0.33µF
A

I

q

Fig. 1-2 Ripple Rejection Test Circuit

12

KIA378RXXPI

e

i

3

V

IN

0.33µF

47µF

V

c

4

A

I

c

4

47µF

A

R

L

V

o

I

o

V

R

L

V

e

o

f=120Hz(sine wave)
ei=0.5Vrms
RR=20log(ei/eo)

Fig. 2 Application Circuit for Standard

V

IN

2001. 6. 28 3/5

Revision No : 1

1

Specific IC

4

ON/OFF

signal

CMOS or TTL

2

3

V

o

C

o

High or Open:Output ON
Low

Load

:Output OFF

KIA378R25PI~KIA378R37PI

j

Fig.3 Ta - P

20

D

15

10

5

POWER DISSIPATION P (W)

0

-25

AMBIENT TEMPERATURE Ta ( C)

Note) Oblique line portion : Overheat
protection may operate in this
area.

P 1:No heat sink

D

p 2:With infinite heat sink

D

P 2

D

P 1

D

0 50 100 150

Fig.5-1 T - V (KIA378R25)

150

100

V =4.2V

IN

I =1.5A

O

o

D

Fig.4 I - V

OO

100

80

60

40

20

RELATIVE OUTPUT VOLTAGE (%)

0

j

o

150

o

12 34 567

0

OUTPUT CURRENT I (A)

Fig.5-2 T - V (KIA378R30)

V =4.7V

IN

I =1.5A

O

j

O

o

100

50

0

-50

-100

OUTPUT VOLTAGE DEVIATION V (mV)

-25

0 25 50 75 100 125

JUNCTION TEMPERATURE T ( C)

Fig.5-3 T - V (KIA378R33)

150

V =5.0V

o

100

IN

I =1.5A

O

o

j

50

0

50

0

-50

-100
010050 75

OUTPUT VOLTAGE DEVIATION V (mV)

j

-25

JUNCTION TEMPERATURE T ( C)

Fig.5-4 T - V (KIA378R35)

150

V =5.2V

o

IN

I =1.5A

O

25

j

o

j

125

100

50

0

-50

-100

OUTPUT VOLTAGE DEVIATION V (mV)

-25

0 25 50 75 100 125

JUNCTION TEMPERATURE T ( C)

2001. 6. 28 4/5

Revision No : 1

-50

-100

25-25

OUTPUT VOLTAGE DEVIATION V (mV)

010050 75 125

JUNCTION TEMPERATURE T ( C)

j

KIA378R25PI~KIA378R37PI

Fig.5-1 T - V (KIA378R37)

150

100

V =5.4V

IN

I =1.5A

O

o

o

j

50

0

-50

-100

OUTPUT VOLTAGE DEVIATION V (mV)

-25

0 25 50 75 100 125

JUNCTION TEMPERATURE T ( C)

Fig.7 T - I

10

V =35V

IN

I =0

O

8

q

j

6

4

2

QUIESCENT CURRENT I (mA)

0

-25

0 25 50 75 100 125

Fig.6 T - V

j

D

0.5

0.4

D

I =3A

0.3

0.2

0.1

O

I =2A

O

I =1A

O

I =0.5A

O

DROPOUT VOLTAGE V (V)

0

-25

j

q

0 25 50 75 100 125

JUNCTION TEMPERATURE T ( C)

j

Fig.8-1 f - RR

80

70

60

50

40

I =0.5A,ei=0.5V

O

30

V =4.2V(KIA378R25)

IN

V =4.7V(KIA378R30)

IN

20

V =5.0V(KIA378R33)

IN

V =5.2V(KIA378R35)

RIPPLE REJECTION RR (dB)

IN

10

V =5.4V(KIA378R37)

IN

rms

0

0.1

110100

JUNCTION TEMPERATURE T ( C)

Fig.8-2 I - RR

O

j

INPUT RIPPLE FREQUENCY f (kHz)

70

60

50

f=120Hz,ei=0.5V

40

C =3.3µF

ref

V =7V(KIA378R25)

IN

V =10V(KIA378R30)

30

RIPPLE REJECTION RR (dB)

20

IN

V =15V(KIA378R33)

IN

V =18V(KIA378R35)

IN

V =21V(KIA378R37)

IN

0.1

2001. 6. 28 5/5

rms

0.5 1.0

OUTPUT CURRENT I (A)

O

Revision No : 1