8561

Preliminary

CMOS IC

UNISONICTECHNOLOGIESCO.,LTD

5 of 6

www.unisonic.com.tw

QW-R502-444.a

ELECTRICAL CHARACTERISTICS (Cont.)

PARAMETER

PIN

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ZERO CURRENT DETECTOR

Input Threshold Voltage Rising

Edge (Note)

5

2.1

V

Hysteresis (Note)

0.3

0.5

0.7

V

Upper Clamp Voltage

5

4.5

5.0

6.8

V

Upper Clamp Voltage

5

4.7

5.1

7

V

Lower Clamp Voltage

5

0.3

0.65

1

V

Sink Bias Current

5

1V V

≦

2

μA

Source Current Capability

5

-3

-10

mA

Sink Current Capability

5

3

10

mA

Disable threshold

5

200

300

mV

Restart Current After Disable

5

-200

-300

μA

OUTPUT SECTION

1.2

2

V

0.7

1

V

1.5

V

Dropout Voltage

7

0.3

V

Output Voltage Rise Time

7

40

100

ns

Output Voltage Fall Time

7

40

100

ns

IGD Sink Current

7

5

10

mA

OUTPUT OVERVOLTAGE SECTION

OVP Triggering Current

2

35

40

45

μA

Static OVP Threshold

2.1

2.25

2.4

V

RESTART TIMER

Start Timer

70

150

400

μs

Note: Parameter guaranteed by design, not tested in production.