2

Sheet No.: OP06058

Electrical Characteristics

PQ1CX22H2ZPQ

%

V

V

%

%

%

A

%

V

V

V

V

V

Parameter

Output saturation voltage

Reference voltage

Load regulation

Line regulation

Oscillation frequency

Overcurrent detection level

Maximum duty

Charge current

Input threshold voltage

ON threshold voltage

Standby-current

Output OFF-state consumption current

Symbol

Conditions

MIN.

TYP.

MAX.

Unit

0.25

0.4

--

0.975

1.0

1.025

-

0.2

1.5

-

1

2.5

--

-

-

135

150

165

88

kHz

2.55

3.2

4.2

3pin = 0.9V

83

90

-

-

-

-

-

--

-10

1.3

2.3

0.7

0.8

0.9

-

-

-

-

120

400

6

10

--

-

4.5

3

fo

15

η

μA

｜

RegL｜

｜

RegI｜

8.5

Input-output voltage ratio

%

--

-

Io=0.5 to 2.0A

Efficiency

Io=2.0 A

3,8 pin :Open, 4 pin

Duty=0 %,3pin=0V,4pin

3pin=0V,4pin

μA

mA

Minimum Input Voltage

Minimum Boost Voltage

Switching current peak

L:HK-08S080-3000(made by Toho Co.)

D,DB:ERC80-004(made by Fuji electronics Co.)　

GND

GND

+

+

CB

DB

L

ON/OFF

1

2

8

3

4

7

6

A

A

D

ON/OFF control logic

Output

OF F

ON

ON

4 pin

LOW

HIG H

OPEN

Load

Fig.2 Power Dissipation vs.Ambient

Temperature

Fig.3 Overcurrent Protection

Characteristics (Typical Value)

Ambient temperature Ta (°C)

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

0

25

50

125

-25

150

75 85

-30

0

0.5

1

01

2

4

0

1

2

3

4

5

35

Ta=25˚C

Fig.1 Test Circuit