3521

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R502-034,B

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage

5.5

V

Drain Output Voltage

V

Drain Output Current

200

mA

Power Dissipation

200

mW

Operating Temperature

-10 ~ +70

℃

Storage Temperature

-65 ~ +150

℃

Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

DEAD TIME CONTROL SECTION

ZERO DUTY CYCLE

3.0

3.3

Input Threshold Voltage

MAX. DUTY CYCLE

0.1

V

ERROR AMP SECTION

Opneg Bias Voltage

OPNEG OPEN

2.38

2.45

2.52

V

Close Loop Voltage Gain

0.5V ~ 3.5V

65

dB

Cross Over Point

0dB

320

KHz

OUTPUT SECTION

Output Saturation Voltage

1.1

1.3

V

Drain Off-State Current

2

10

µA

Rising Time

100

200

ns

Falling Time

50

200

ns

PROTECTION SECTION

V33

3.8

4.1

4.3

V5

5.8

6.2

6.6

V12

4.41

4.64

4.90

Over Voltage Protection (OVP)

1.2

1.25

1.3

V

V33

1.78

1.98

2.18

V5

2.70

3.00

3.30

Under Voltage Protection (UVP)

V12

2.11

2.37

2.63

V

UVP Disable Voltage

0.55

0.62

0.68

V

UVP Delay Time

100

250

500

ms

REMOTE ON/OFF SECTION

REM High Input Voltage

2.0

V

REM Low Input Voltage

0.8

V

REM Pull High Voltage

2.0

5.25

V

REM Delay Time

30

36

42

ms

REM Off Delay Time

3.5

4.5

5.5

ms

POWER GOOD SECTION

Detecting Input Voltage

0.55

0.62

0.68

V

Output Saturation Voltage

0.2

0.4

V

Charging Current For TPG

30

µA

PG Output Pull-up Resistor

4

KΩ

PG Output Load Resistor

0.5

1

2

KΩ

PG Delay Time

C=2.2µF

100

250

500

ms

TOTAL DEVICE

Standby Supply Current

10

20

mA

OSCILLATION SECTION

Oscillation Frequency

Fosc

50

60

KHz

Frequency Change With TEMP.

Fosc/T

2

%