Datasheet PQ7DV10 Datasheet (Sharp)

Low Power-Loss Voltage Regulators

PQ7DV10

Variable Output, (1.5 to 7V) 10A Output Low Power-loss Voltage Regulator

PQ7DV10

■ Feature

¡10A output type ¡Low power-loss (Dropout voltage : MAX.0.5V at Io=

10A)

¡Variable output type (1.5 to 7V) ¡Low operating voltage (Minimum input voltage : 3.0V) ¡High-precision reference voltage type

(Reference voltage precision : ±2.0%)

¡TO-3P package ¡Built-in ON/OFF control function ¡Built-in overcurrent protection, overheat protection

function

■ Applications

¡Power supplies for various electronic equipment such as personal computers

■ Outline Dimensions

17.0MAX

PQ7DV10

19±0.5

39.0MAX

4-(2.54)

1

12345

IC

chip

Reference

voltage

5-0.8±0.2

PNP Tr chip

Controller Comparator

5±0.2

3.7MAX

6

17.0MIN

1 DC input (VIN) 2,6 DC output (V

2

6

3 GND 4 ON/OFF control

terminal (V

4

5 Output voltage minute

adjustment terminal (V

5

3

4.5±0.2

(Unit : mm)

2.0±0.2

(1.4)

(0.6)

O

)

C

)

ADJ

)

■ Absolute Maximum Ratings

*1

Input voltage

*1

ON/OFF control terminal voltage

*1

Output adjustment 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 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. ”

Parameter Symbol Rating Unit

V

IN

V

C

V

ADJ

I

O

P

D1

P

D2

T

j

T

opr

-20 to +80

T

stg

-40 to +150

T

sol

260 (For 10s)

j

=<150˚C.

(Ta=25˚C)

10 10

5

10

2.2 60

150

V V V

A W W ˚C ˚C ˚C ˚C

· Please refer to the chapter“ Handling Precautions ”.

Low Power-Loss Voltage Regulators

PQ7DV10

■ Electrical Characteristics

(Unless otherwise specified, conditions shall be V IN=5V, Io=5A, Vo=3V(R1=2kΩ) Ta=25˚C)

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

*3

ON-state voltage for control ON-state current for control OFF-state voltage for control OFF-state current for control Quiescent current

*3

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

RegL

R

T

V

I

C (ON)

V

C (OFF)

I

C (OFF)

V

IN

V

O

V

ref

eg

CVO

RR

i

-o

C (ON)

I

q

I

O

=5mA to 10A

I

IN

=4 to 10V

V

j

=0 to 125˚C

T

IN

=3V, Io=10A

V

C

=2.7V

V

C

=0.4V

V

O

=0A

I

-

3

1.5

1.225

-

45

2

-

1.25

0.5

±0.01

55

-

1.275

- 40

Fig.1 Test Circuit Fig.2 Test Circuit for Ripple Rejection

VIN

0.33µF

VC

VO

●2●1

R2

●4

●3

A

●5

Iq 2kΩ

Vref

R1

47µF

IO

A

+

V

R

V

L

0.33µF

ei

~

V

IN

●4 ●5

VC

2.7V

●2●1

R2

●3

Vref

R1

2kΩ

47µF

+

RL

IO

10

2.5

0.5

20

0.8

17

UnitMAX.TYP.NIN.

V

7

V V

2

% %

%/˚C

dB

-

V

-

V

µA

V mA mA

eo

V

~

o=Vref X (1+R2/R1)

V

X (1+R2/R1)

=1.25

1=2kΩ,Vref =1.25V]

[R

Fig.3 Power Dissipation vs. Ambient

Temperature

60

50

(W)

D

40

30

PD1 :No heat sink P

D2

20

Power dissipation P

10

0

-20 0

Note) Oblique line portion:Overheat protection may operate

in this area.

P

D2

:With infinite heat sink

D1

P

4020 60 80

Ambient temperature Ta (˚C)

f=120Hz (sine wave)

i=0.5Vrms

e VIN=5V

O=3V (R1=2kΩ)

V

O=0.5A

I RR=20 log (e

i/eo)

Fig.4 Overcurrent Protection

Characteristics(Typical Value)

100

80

60

40

20

Relative output voltage (%)

0

0 5 10 15 20

Output current IO (A)

Low Power-Loss Voltage Regulators

PQ7DV10

Fig.5 Output Voltage Adjustment

Characteristics

8

R

1

=2kΩ

7

7 6

6

(V)

O

5

5 4

4 3

3 2

2

Output voltage V

1

1 0

0

10

2

3

10

2

(Ω)

R

10

Fig.7 Output Voltage vs. Input Voltage

4

a =25˚C

T VO=3V(R1=2kΩ,R2=2.8kΩ)

3

2

1

Output voltage VO (V)

L=0.6Ω

R

L=∞

R

L=0.3Ω

R

Fig.6 Output Voltage Deviation vs.

Junction Temperature

10

V

IN=5V

8

V

O=3V(R1=2kΩ,R2=2.8kΩ)

I

O=2.5A

6 4 2

0

-2

-4

-6

-8

Output voltage deviation ∆VO (mV)

4

-10

-25 0 25 50 75 100 125 Junction temperature Tj (˚C)

Fig.8 Circuit Operating Current vs. Input

Voltage

160

T

a

=25˚C

O

=3V(R1=2kΩ,R2=2.8kΩ)

V

(mA)

120

BIAS

80

R

L

=0.3Ω

L

=0.6Ω

40

R

0

012345

Input voltage VIN (V)

Fig.9 Dropout Voltage vs. Junction

Temperature

0.5

0.4

(V)

-O

i

0.3

0.2

Dropout voltage V

0.1

0

VO=3V(R1=2kΩ,R2=2.8kΩ)

IN

:Input voltage when output voltage

V is 95% in comparison with the initial value

-25 0 5025 10075 125 Junction temperature Tj (˚C)

R

L

Circuit operating current I

0

052413

Input voltage V

=∞

IN

(V)

Fig.10 Ripple Rejection vs. Junction

Temperature

100

80

60

40

V

IN

=7V

20

O

=3V(R1=2kΩ,R2=2.8kΩ)

V

Ripple rejection RR (dB)

O

=0.5A,ei=0.5V

I f=120Hz

0

-25 0 5025 10075 125 Junction temperature Tj (˚C)

rms

Low Power-Loss Voltage Regulators

PQ7DV10

Fig.11 Quiescent Current vs. Junction

Temperature

20

IN =5V

V V

O=3V(R1=2kΩ,R2=2.8kΩ)

I

O =0A

15

10

5

Quiescent current Iq (mA)

0

-25 0 25 50 75 100 125 Junction temperature Tj (˚C)

■ Typical Application

VIN

CIN

●1

●4

●2

R2

●5

●3

R

1

2kΩ

Fig.12 Ripple Rejection vs. Input Ripple

Frequency

100

80

60

40

VIN=5V

20

Ripple rejection RR (dB)

O

=3V(R1=2kΩ,R2=2.8kΩ)

V Io=0.5A,e T

0

0.1 101 100

VO

+

CO

Load

i

=0.5V

rms

a

=25˚C

,

Input ripple frequency f

(kHz)

ON/OFF Signal

High or Open :Output ON Low :Output OFF

Datasheet PQ7DV10 Datasheet (Sharp)

Specifications and Main Features

Frequently Asked Questions

User Manual