PQ3RF23_01 datasheet(2/7 Pages) SHARP

Part #	PQ3RF23

Description	3.3V Output, High Output Current(2A, 3.5A)Type Low Power-loss Voltage Regulators

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Manufacturer	SHARP [Sharp Corporation]

Direct Link	http://sharp-world.com/

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Low Power-Loss Voltage Regulators

PQ3RF23/PQ3RF33

;;;

20

0

5

1.5

10

15

18

–20

0

20406080

PD2

PD1

Ambient temperature Ta (˚C)

Fig. 1 Test Circuit

Parameter

Symbol

Conditions

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

Quiescent current

Unit

MAX.

TYP.

MIN.

3.218

−

45

−

2

−

3.3

0.2

0.5

±0.02

55

−

3.382

2

2.5

−

0.5

−

20

0.8

–0.4

10

s Electrical Characteristics

❇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 ➃,output voltage turns on.

(Unless otherwise specified,conditions shall be IO=1.0A[PQ3RF23]/IO=1.5A[PQ3RF33],VIN=5V,Ta=25˚C)

PQ3RF23

PQ3RF33

PQ3RF23

PQ3RF33

VO

RegL

RegI

TCVO

RR

Vi-O

VC(ON)

IC(ON)

VC(OFF)

IC(OFF)

Iq

−

IO=5mA to 2.0A

IO=5mA to 3.5A

VIN=4 to 10V

Tj=0 to 125˚C

−

❇3, IO=2.0A

❇3, IO=3.0A

−

VC=2.7V

−

VC=0.4V

IO=0A

V

%

%/˚C

dB

V

µA

V

mA

❇4

Fig. 2 Test Circuit of Ripple Rejection

Fig. 4 Power dissipation vs. Ambient

temperature (PQ3RF33)

Fig. 3 Power Dissipation vs. Ambient

Temperature (PQ3RF23)

;;;

20

0

5

1.8

10

15

18

–20

0

20406080

PD2

PD1

Ambient temperature Ta (˚C)

Note)

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

Note)

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

V

ei

VIN

IO

eo

RL

0.33

µF

47

µF

+

f=120Hz(sine wave)

ei(rms)=0.5V

VIN=5V

IO=0.5A

RR=20 log(ei(rms)/eo(rms))

1

2

3

4

A

V

A

VIN

Iq

IC

IO

VO

VC

RL

0.33

µF

47

µF

+

1

2

3

4

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