Sharp PQ1CG21H2FZ, PQ1CG21H2RZ Diagram

Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ

PQ1CG21H2FZ/PQ1CG21H2RZ

TO-220 Type Chopper Regulators

Features

■

●

Maximum switching current: 1.5A

●

Built-in ON/OFF control function

●

Built-in soft start function to suppress overshoot of output
voltage in power on sequence or ON/OFF control sequence

●

Built-in oscillation circuit
(Oscillation frequency: TYP. 100kHz)

●

Built-in overheat, overcurrent protection functions

●

TO-220 package

●

Variable output voltage
(Output variable range: Vref to 35V/-Vref to -30V)
[Possible to select step-down output/inversing output
according to external connection circuit]

●

PQ1CG21H2FZ: Zigzag forming
PQ1CG21H2RZ: Self-stand forming

Applications

■

●

Switching power supplies

●

Facsimiles, printers and other OA equipment

●

Color TVs and video CDs

●

Personal computers and amusement equipment

Absolute Maximum Ratings

■

(Ta=25°C)

Parameter Symbol Rating Unit

❇1

Input voltage
Error input voltage
Input-output voltage

❇2

Output − COM voltage

❇3

ON/OFF control voltage
Switching current

❇4

Power dissipation

❇5

Junction temperature
Operating temperature
Storage temperature
Soldering temperature

❇1 Voltage between VIN terminal and COM terminal
❇2 Voltage between V
❇3 Voltage between ON/OFF control and COM terminal

:With infinite heat sink

❇4 P

D

❇5 Overheat protection may operate at the condition T

terminal and COM terminal

OUT

V

IN

V

ADJ

V

I-O

V

OUT

V

C

I

SW

P

D1

D2

T

j

T

opr

T

stg

T

sol

40

7

41

−1

−0.3 to +40

1.5

1.4
14 WP

150

−20 to +80

−40 to +150 ˚C

260 (10s) ˚C

:125˚C to 150˚C.

j

W

˚C
˚C

8.2

(0.5)

4.7

4.5

±0.6

±0.7

4.5

±0.2

1
2
3
4
5

1
2
3
4
5

(Unit : mm)

±0.2

2.8

±0.5

5.0

(2.0)

(1.5)

MIN.

4.4

±0.5

3.2

V

IN

V

OUT

COM
O

ADJ

ON/OFF

±0.2

±0.2

2.8

(2.2)

(1.7)

±0.6

4.7

±0.5

2.6

V

IN

V

OUT

COM
O

ADJ

ON/OFF

±0.7

16.4

(11.4)(3.6)

±0.5

6.0

Outline Dimensions

■

PQ1CG21H2FZ

(1.5)

±0.2

7.4

(24.6)

PQ1CG21H2RZ

±0.2

7.4

V
V
V

(24.6)

10.2

PQ1CG21H

1 2 3 4 5

(1.5)

PQ1CG21H

(6.8)

10.2

MAX.

(6.8)

MAX.

ø3.2

5–0.8

4–(1.7)

ø3.2

±0.2

3.6

±0.1

Epoxy resin

(0.5)

±0.1

(5.0)

( ) : Typical dimensions

±0.2

3.6

±0.1

Epoxy resin

V
V

0.8

±0.1

A

4–(1.7)

1 2 3 4 5

•Please refer to the chapter " Handling Precautions ".

( ) : Typical dimensions

Notice 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 device specification sheets before using any SHARP device.

Internet Internet address for Electronic Components Group http://sharp-world.com/ecg/

Chopper Regulators PQ1CG21H2FZ/PQ1CG21H2RZ

Electrical Characteristics

■

Parameter Symbol Conditions

Output saturation voltage
Reference voltage
Reference voltage temperature fluctuation
Load regulation
Line regulation
Efficiency
Oscillation frequency

Oscillation frequency temperature fluctuation
Overcurrent detecting level
Charge current

Input threshold voltage
ON threshold voltage

Stand-by current
Output OFF-state dissipation current

Fig.1 Test Circuit

(Unless otherwise specified, condition shall be V

V

SAT

V

ref

∆V

|RegL|

|R

eg

ref

I|

j

=0 to 125˚C

T

O

I

IN

V

η

f

O

∆f

O

I

L

, terminals is open, terminal

CHG

I

Duty ratio=0%, terminal=0V, terminal

V

THL

Duty ratio=100%, terminals is open, terminal

V

THH

TH(ON)

V

I

SD

I

QS

Tj=0 to 125˚C

42 5

4 5

terminal=0V, terminal

IN

=40V, terminal=0V

V

VIN=40V, terminal=0.9V

I

SW

=1A

−

=0.2 to 1A

=8 to 35V

O

=1A

I

−

−

5

5

IN

=12V, IO=0.2A, VO=5V, ON-OFF terminals is open,

54

54

Ta=25˚C)

1.5

1.285

−

1.5

2.5

−

120

2.6

Unit

V

V
%
%
%
%

kHz

%
A

µA

V
V
V

MIN.

−

1.235

−

−

−

−

80

−−

1.55

−

−

−

MAX.TYP.

1.0

1.26

±0.5

0.2

0.5
84

100

±2

2.0

−10 −

1.3 −

2.3 −

0.7 0.8 0.9

− 140 400 µA

− 812mA

4

12

I

SD

A

A

I

QS

+

V

V

IN

IN

C

IN

100µF

PQ1CG21H2

3

Fig.2 Power Dissipation vs. Ambient

Temperature

20

15

P

: With infinite heat sink

(W)

D

Power dissipation P

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

D2

10

5

P

: No heat sink

D1

0

−200 20406080100

Ambient temperature T

(°C)

a

L

210µH

R

5

A

I

CHG

D

2

R

1

1kΩ

L : HK-14S100-2110 (made by Toho Co.)
D :ERC80-004 (made by Fuji electronics Co.)

C

470µF

I

O

O

V

O

+

Load

Fig.3 Overcurrent Protection

Characteristics (Typical Value)

6

Ta=25°C

=12V

5

(V)

4

O

3

2

Output voltage V

1

0

01234

Output current IO (A)

V

IN

=5V

V

O