L8561

Preliminary

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 5

www.unisonic.com.tw

QW-R502-444.c

PARAMETER

PIN SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

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

ZERO CURRENT DETECTOR

Input Threshold Voltage Rising Edge

5

(Note 1)

2.1

V

Hysteresis

(Note 1)

0.4

0.6

0.8

V

Upper Clamp Voltage

5

5.9

6.5

7

.3

V

Upper Clamp Voltage

5

6.1

6.6

7.5

V

Lower Clamp Voltage

5

0.3

0.7

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

100

200

300

mV

Restart Current After Disable

5

-20

-50

μA

OUTPUT SECTION

1.2

2

V

0.8

1.2

V

1.2

1.9

V

Dropout Voltage

7

1.2

V

Output Voltage Rise Time

7

40

100

ns

Output Voltage Fall Time

7

40

100

ns

IGD Sink Current

7

10

40

mA

OUTPUT OVERVOLTAGE SECTION

OVP Triggering Current

2

30

40

50

μA

Static OVP Threshold

2.25

2.4

2.55

V

RESTART TIMER

Start Timer

70

130

300

μs

Note: 1. Parameter guaranteed by design, not tested in production.