Sharp PQ30RV31 Datasheet

Low Power-Loss Voltage Regulators PQ30RV31

PQ30RV31

Variable Output Low Power-Loss Voltage Regulator

■ Features

¡Maximum output current : 3A
¡Compact resin full-mold package.
¡Low power-loss (Dropout voltage : MAX.0.5V)
¡Variable output voltage (setting range : 1.5 to 30V)
¡Built-in ON/OFF control function.

■ Applications

¡Power supply for print concentration control of word processors
¡Series power supply for motors and solenoid
¡Series power supply for VCRs and TVs

■ Outline Dimensions

10.2MAX

7.4±0.2

PQ30RV31

29.1MAX

13.5MIN

●1 ●2 ●3 ●4

Internal connection diagram

1

Specific IC

3

φ3.2±0.1

4-1.4

4-0.6

3-(2.54)

2

4

3.6±0.2

+0.3

-0

+0.2

-0.1

1 DC input (VIN)
2 DC output (V
3 GND
4 Output voltage

minute
adjustment
terminal (V

4.5±0.2

O)

ADJ)

(Unit : mm)

2.8±0.2

4.8MAX

15.6±0.5

(1.5)

(0.5)

■ Absolute Maximum Ratings

*1
*1

*2

*1
*2

Parameter Symbol Rating Unit
Input voltage
Output adjustment terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)
Junction temperature
Operating temperature
Storage temperature
Soldering temperature

All are open except GND and applicable terminals.
Overheat protection function may operate at 125=<T

“ In the absence of confirmation by device specification sheets,SHARP takes no responsibility for any defects that may occur in equipment using any SHARP devices
shown in catalogs,data books,etc.Contact SHARP in order to obtain the latest version of the device specification sheets before using any SHARP's device. ”

j

=<150˚C.

V

IN

V

ADJ

I

O

P

D1

P

D2

T

j

T

opr

T

stg

T

sol

35

7
3

2.0
20

150

-20 to +80

-40 to +150

260 (For 10s)

(Ta=25˚C)

V
V

A
W
W
˚C
˚C
˚C
˚C

· Please refer to the chapter“ Handling Precautions ”.

Low Power-Loss Voltage Regulators PQ30RV31

■ Electrical Characteristics

(Unless otherwise specified, condition shall be VIN=12V, Vo=10V, Io=1.5A, R1=390Ω, Ta=25˚C)

Parameter Symbol Conditions
Input voltage
output voltage
Load regulation
Line regulation
Ripple rejection
Reference voltage
Temperature coefficient of reference voltage

Dropout voltage
Quiescent current

*3

Input voltage shall be the value when output voltage is 95% in comparison with the initial value.

V

V
RegL
R

RR
V

TcV

Vi-

IN

O

eg

I

ref

ref

O

I

q

O

=5mA

to

I

IN

=11 to 21V, IO=0.5mA

V
Refer to Fig. 2

j

=0 to 125˚C,IO=5mA

T

*3

, IO=3A

*3

, IO=2A

O

=0

I

Fig.1 Test Circuit

V

IN

0.33µF

●3

A

●2●1

R

●4

R

Iq390Ω

2

V

1

ref

V

47µF

+

V

O

I

O

A

V

R

L

Fig.2 Test Circuit of Ripple Rejection

e

i

~

V

IN

0.33µF

●2●1

R

2

●4

●3

390Ω

47µF

R

1

+

O

I

+

e

o

V

~

R

L

-

-

3A

-

V

O

=V

ref

X 1+ -------- =1.25X 1 + --------

[R1=390Ω, V

IO=0.5A, VIN=12V, VO=10V
f=120Hz (sine wave)

i

=0.5V

e
RR=20 log (ei/eo)

rms

ref

=1.25V]

UnitMAX.TYP.MIN.

4.5

1.5

-

-

45

1.225

-

-

-

-

R

2

R

1

-

-

0.5

0.5
70

1.25
±1.0

0.3

0.2

-

R
R

35
30

2.0

2.5

-

1.275

-

1.0

0.5
7

2
1

V

V
%
%

dB

V

%/˚C

V

mA

Fig.3 Power Dissipation vs. Ambient

Temperature

40

(W)

D

30

20

Power dissipation P

10

0

Note) Oblique line portion:Overheat protection may operate in

this area.

D1

:No heat sink

P

D2

:With infinite heat sink

P

P

D2

P

D1

0 50 100 150

Ambient temperature Ta (˚C)

Fig.4 Overcurrent Protection

Characteristics (Typical Value)

100

80

60

40

Relative output voltage (%)

20

0

4.0 5.0 6.0 7.0 8.01.0 2.0 3.00

Output current IO (A)