L8561

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 6

www.unisonic.com.tw

QW-R502-444.D

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)

mA

-10 (sink)

SOP-8

1

W

DIP-8

0.65

W

Junction Temperature

125

℃

Operating Temperature

-20 ~ +85

℃

Storage Temperature

-40 ~ +150

℃

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

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

14

15.3

16.5

V

Turn-off Threshold

8

7.2

7.9

8.7

V

Hysteresis

8

Hys

6.5

8.3

V

SUPPLY CURRENT SECTION

Start-up Current

8

30

50

μA

Quiescent Current

8

Iq

6

9

mA

Operating Supply Current

8

10

15

mA

6.8

mA

Quiescent Current

8

Iq

6

mA

8

4

7

10

μA

Zener Voltage

8

18

21

24

V

ERROR AMPLIFIER SECTION

Voltage Feedback Input

Threshold

1

2.465

2.5

2.535

V

2.44

2.56

V

Line Regulation

3

5

mV

Input Bias Current

1

-100

-1000

uA

Voltage Gain

Open loop

60

80

dB

Gain Bandwidth

0.8

MHz

Source Current

2

-2

-4

-8

mA

Sink Current

2.5

4.5

mA

Upper Clamp Voltage

2

4.5

5

5.5

V

Lower Clamp Voltage

2.25

2.4

2.55

V

MULTIPLIER SECTION

Linear Operating Voltage

3

0~ 2.5 0 ~ 3.5

V

Output Max. Slope

V

V

1.65

1.9

Gain

K

0.5

0.7

0.9

1/V