UC2843B

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 8

www.unisonic.com.tw

QW-R103-048.D



PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage (Low impedance source)

30

V

-0.3~+6.3

V

Supply Current

30

mA

Error Amplifier Output Sink Current

10

mA

Output Current

±1

A

Power Dissipation

SOP-8

800

mW

DIP-8

1250

Output Energy (Capacitive load)

W

5

μJ

Junction Temperature

150

°C

Operating Temperature

-40~+85

°C

Storage Temperature

-65~+150

°C

Notes: 1. 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.

2. All voltages are concerning the device GND terminal.



THERMAL DATA

PARAMETER

SYMBOL

RATINGS

UNIT

Thermal Resistance Junction to Ambient

SOP-8

156

C/W

DIP-8

100

C/W



RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Supply Voltage

30

V

Input Voltage

0

5.5

V

0

5.5

V

Output Voltage (OUTPUT)

0

30

V

Supply Current, Externally Limited

25

mA

Output Current

200

mA

Reference Output Current

-20

mA

Oscillator Frequency

100

500

kHz

Operating Temperature

-40

+85

°C



ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX UNIT

REFERENCE SECTION

Reference Output Voltage

4.95

5

5.05

V

Line Regulation

6

20

mV

Load Regulation

6

25

mV

Average Temperature Coefficient Of

Output Voltage

0.2

0.4

mV/°C

Total Output Variation

4.9

5.1

V

Output Noise Voltage

50

μV

Long Term Stability

5

25

mV

Output Short Circuit Current

-30

-100

-180

mA