8561

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

4 of 6

www.unisonic.com.tw

QW-R502-444.a

PARAMETER

SYMBOL

RATINGS

UNIT

Analog Inputs & Outputs

INV, COMP MULT

-0.3 ~ 7

V

Current Sense Input

CS

-0.3 ~ 7

V

30

mA

Output Totem Pole Peak Current (2ms)

±700

mA

Zero Current Detector

ZCD

50 (source)

-10 (sink)

mA

mA

Power Dissipation

0.65

W

Junction Temperature

150

°C

Storage Temperature

-55 ~ +150

°C

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

PIN

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

SUPPLY VOLTAGE SECTION

Operating Range

8

after turn-on

11

18

V

Turn-ON Threshold

8

11

12

13

V

Turn-OFF Threshold

8

8.7

9.5

10.3

V

Hysteresis

8

Hys

2.2

2.5

2.8

V

SUPPLY CURRENT SECTION

Start-up Current

8

20

50

90

μA

Quiescent Current

8

Iq

2.6

4

mA

4

5.5

mA

Operating Supply Current

8

1.4

mA

8

1.4

mA

Quiescent Current

8

Iq

20

50

90

μA

Zener Voltage

8

18

20

30

V

ERROR AMPLIFIER SECTION

Ta=25°C

2.465

2.5

2.535

V

Voltage Feedback Input

Threshold

1

2.44

2.56

V

Line Regulation

2

5

mV

Input Bias Current

1

-100

-1000

uA

Voltage Gain

Open loop

60

80

dB

Gain Bandwidth

1

MHz

Source Current

-2

-4

-8

mA

Sink Current

2

2.5

4.5

mA

Upper Clamp Voltage

5.8

V

Lower Clamp Voltage

2

2.25

V

MULTIPLIER SECTION

Linear Operating Voltage

3

0~ 3 0 ~ 3.5

V

Output Max.Slope

V

V

1.65

1.9

Gain

K

0.45

0.6

0.75

1/V

CURRENT SENSE COMPARATOR

Current Sense Reference

Clamp

4

1.6

1.7

1.8

V

Input Bias Current

4

-0.05

-1

μA

Delay to Output

4

200

450

ns

Current Sense Offset

4

0

15

mV