UC3842G

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

4 of 8

www.unisonic.com.tw

QW-R103-036,A

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage (Low Impedance Source)

30

V

Self Limiting

V

Output Current (Peak)

±1

A

Output Energy (Capacity load)

5

µJ

Junction Temperature

+150

°C

Operating Temperature

-40 ~ +125

°C

Storage Temperature

-65 ~ +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.

ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

TEST CONDITION

MIN

TYP MAX

UNIT

STANDBY SECTION

Reduce Frequency Point of Standby Mode

Right load

2.2

V

REFERENCE SECTION

Reference Output Voltage

4.95

5.0

5.05

V

Line Regulation

3

20

mV

Load Regulation

8

25

mV

Output Short Circuit Current

-30

-65

-180

mA

OSCILLATOR SECTION

Frequency

Normal

49

52

55

KHz

Frequency

No load or right load

14

KHz

Frequency Change

0.2

1.0

％

1.6

V

1.2

V

Oscillator Voltage

2.8

V

ERROR AMPLIFIER SECTION

Input Voltage

2.42

2.50

2.58

V

Input Bias Current

-0.3

-2

µA

AVOL

60

90

dB

Unity Gain Bandwidth

0.7

1

MHz

PSRR

60

70

dB

Output Sink Current

2

4

mA

Output Source Current

-0.5

-0.7

mA

5.0

5.6

V

0.8

1.1

V

CURRENT SENSE SECTION

Gain

(Note2,3)

2.85

3

3.15

V/V

Maximum Input Signal

0.9

1

1.1

V

PSRR

70

dB

Input Bias Current

-2

-10

µA

Delay to Output

150

300

nS