Sharp PQ15RF15, PQ15RF16 Datasheet

Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16

PQ15RF15/PQ15RF16

1A Output, Low Power-Loss Voltage Regulators Considering Power Line Voltage Drop

■ Features

¡Low power-loss (Dropout voltage : MAX. 0.5V)
¡Compact resin full-mold package
¡Conforming to the unified standard for BS converter
¡Output voltage value (15.7V) with an allowance for voltage

loss caused by reverse flow preventing diode

¡Built-in ON/OFF control terminal corresponding to BS antenna

power supply selecting switch

¡High-precision output type (PQ15RF16) (Output voltage

precision : ±2.5%)

■ Applications

¡ TVs and VCRs with built-in BS tuners
¡ BS tuners

■ Outline Dimensions

10.2MAX

7.4±0.2

PQ15RF15

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 ON/OFF control

terminal (V

4.5±0.2

C

)

O

)

(Unit : mm)

2.8±0.2

4.8MAX

15.6±0.5

(1.5)

(0.5)

■ Absolute Maximum Ratings

*1

Input voltage

*1

ON/OFF control terminal voltage
Output current
Power dissipation (No heat sink)
Power dissipation (With infinite heat sink)

*2

Junction temperature
Operating temperature
Storage temperature
Soldering temperature

*1

All are open except GND and applicable terminals.

*2

Overheat protection may opetate 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. ”

Parameter Symbol Rating Unit

j=<150˚C

VIN

VC

IO
PD1
PD2

Tj

Topr

Tstg
Tsol

(Ta=25˚C)

35
35

1

1.5
15

150

-20 to +80

-40 to +150

260 (For 10s)

V
V

A
W
˚C

˚C
˚C
˚C

· Please refer to the chapter“ Handling Precautions ”.

Low Power-Loss Voltage Regulators PQ15RF15/PQ15RF16

■ Electrical Characteristics

(Unless otherwise specified, condition shall be VIN=18V, I0=0.5A, Ta=25˚C)

Parameter Symbol Conditions

●3

A

PQ15RF15
PQ15RF16

●2●1

V

C

●4

A

I

q

V

O

O

=5mA to 1.0A

R

RR

V

eg

CVO

i-O

qs

I

I

)

)

)

I

N

=17 to 27V

V

j

=0 to 125˚C

T
Refer to Fig. 2

*3

IO=0.5A

*4

VC=2.7V

C

=0.4V

V

O

=0A

I

RegL

T

VC (ON)

C (ON

I

C (OFF

V

C (OFF

I

Fig.2 Test Circuit of Ripple Rejection

V

O

47µF

I

O

A

+

V

R

I

L

C

Output voltage
Load regulation

Line regulation
Temperature coefficient of output voltage
Ripple rejection
Dropout voltage
ON-state voltage for control
ON-state current for control
OFF-state voltage for control
OFF-state current for control
Output OFF-state consumption current

*3

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

*4

In case of opening control terminal 4, output voltage turns on.

Fig.1 Test Circuit

V

IN

0.33µF

MAX.TYP.MIN.

14.92

15.31

2.0

~

e

i

V

IN

0.33µF

●3

15.7

15.7

-

­±0.01

-

45

-

0.2

0.2

65

0.2

16.48

16.09

2.0

2.5

0.5

-

-

-

-

-

-

-

0.8

-

-0.4

6

●2●1

●4

47µF

+

I

O

+

R

L

Unit

V

%
%

%/˚C

­dB

-

V

-

20

V

µA

V

mA

10

mA

e

o

V

~

Fig.3 Power Dissipation vs. Ambient

Temperature

20

15

(W)

D

10

5

Power dissipation P

0

-20 0

Note) Oblique line portion:Overheat protection may operate

in this area.

PD1 :No heat sink
P

D2

:With infinite heat sink

P

D2

D1

P

50 100 150

Ambient temperature Ta (˚C)

f=120Hz (sine wave)

i

=0.5V

rms

e
RR=20 log (ei/eo)

Fig.4 Overcurrent Protection

Characteristics (Typical Value)

100

80

60

40

20

Relative output voltage (%)

0

0 1.0 2.0 3.0

Output current

I

O

(A)