Sharp PQ1PD1 Datasheet

Primary Regulators

PQ1PD1

PQ1PD1

(Under Development)

Primary Regulator for Switching Power Supply (100W Class)

■ Features

¡5 - terminal lead forming package (equivalent to TO-3P)
¡Built-in oscillation circuit (oscillation frequency : 100kHz)
¡Output for power supply : 100W class
¡Built-in overheat protection, overcurrent protection function

■ Applications

¡Switching power supplies for word processors
¡Switching power supplies for personal computers
¡Switching power supplies for TVs

■ Outline Dimensions

MAX 17

φ3.2

PQ1PD1

(33.0)

4-(2.54)

●1 ●2 ●3 ●4 ●5

(Unit : mm)

4.5±0.2

2.0±0.2

8.0±0.2

5.0

(0.6)

(0.5)

3.2±0.5

8.2±0.7

( ) : Typical dimensions

1 Drain (V

DS

2 GND
3 Control (CA)
4 Feed back (FB)
5 Supply voltage (V

)

23.5±0.7

MIN 5

CC

)

■ Absolute Maximum Ratings

*1

Drain-GND(source)voltage
Drain current
Power supply voltage

*2

FB terminal input voltage
CA terminal input current

*3

Power dissipation

*4

Junction temperature
Operating temperature
Storage temperature
Soldering temperature

*1

Voltage between V

*2

Voltage between FB-terminal and GND terminal.

*3

With infinite heat sink, Refer to Fig. 2

*4

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

DS

I

D

V

CC

V

FB

I

CA

P

D

T

j

T

opr

-20 to +80

T

stg

-40 to +150

T

sol

260 (For 10s)

CC

terminal and GND terminal.

j

=<150˚C

(Ta=25˚C)

500

8

35

4
2

45

150

V
A
V
V

mA

W
˚C
˚C
˚C
˚C

· Please refer to the chapter “ Handling Precautions ”.

Primary Regulators

PQ1PD1

■ Electrical Characteristics

Parameter Symbol Conditions
Drain-source onstate resistance
Drain-source leakage current
Oscillation frequency
Temperature change in oscillation frequency
Declining oscillation frequency
Maximum duty

FB threshold voltage

FB current

CA threshold voltage

CA sink current
Overcurrent detecting level
Operation starting voltage
Operation stopping voltage
Stand-by current
Output OFF-mode consumption current
Output-operating mode consumption current
Charging current

Fig. 1 Test Circuit

C

IN

100µF 0.01µF

A

+

V

CC

V

FB

●5 ●1

PQ1PD1

●4

A

●3

●2

(Unless otherwise specified, conditions shall be VDS=10V,VCC=18V,VCA=OPEN,VFB=2.2V,RL=56Ω, Ta=25˚C)

UnitMAX.TYP.MIN.

)

L

FBL

FC

FBH

FB

FC

ID=2A

DS

=500V,VCC=7V

V

j

=0 to 125˚C

T

CA

=5V

V

Duty=0%

MAX

Duty=D
VCA=6V

FB

=GND

V
Duty=0%

MAX

Duty=D

VFB=1V,VCA=6V

DS

=OPEN,VFB=OPEN

V

DS

=OPEN,VFB=OPEN

V

DS

=OPEN,VCC=14V,

V

DS

=OPEN,VCA=GND

V

CA

=GND,VFB=OPEN

V

-

-

90

­23
42

-

-

-

2.6

-800

-

-

0.49

-

7.2
20

-

15.5

8.5

-

-

-

-15

0.75

-

100

±5
33
45

0.9

1.1

1.8

2.8

-620

0.9

1.8

0.6

4.3

7.7
36

4.8

17.0

9.3

100

0.6
12

-10

1.0
250
110

­43
50

-

-

-

3.1

-440

-

-

0.74

-

8.2
52

-

18.5

10.1
150

1.8
24

-5

Ω

µA

kHz

%

kHz

%

V
V
V
V

µA

V
V
V
V
V

µA

A
V
V

µA

mA
mA

µA

R

DS (ON

DSS

I

fo

∆fo

fo

D

MAX

V

VFB

V

V

FB OCP

I

V

CAL

V

CAH

V

CA(ON/OFF)

VCA

V

CA(OVP)

I

CAIN

I

D(OVP)

V

CC(ON)

V

CC(OFF)

I

CC(ST)

I

CC(OFF)

I

CC(OP)

I

CA(CHG)

Fig. 2 Power Dissipation vs. Ambient

Temperature

50

R

A A

V

CA

L

V

DS

40

30

■ Block Diagram

Frequency
conversion

circuit

Overheat
detection

circuit

Overload
cut-off voltage
detecting circuit

4

FB

Constant

voltage

source

VDS

2

GND

←

O S C

PWM

+

-

-

-

CC

Low voltage

malfunction

prevention circuit
Cut-off voltage

detecting circuit

OFF voltage

detecting circuit

R

Q

S

Drive

circuit

Overcurrent

detecting

circuit

CA V

35 1

DET

20

10

Power dissipation PD (W)

0

-200 20406080
Ambient temperature Ta (˚C)

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