UC2843BG-D08-R 查看數據表（PDF） - Unisonic Technologies

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UC2843BG-D08-R

HIGH-PERFORMANCE CURRENT-MODE PWM CONTROLLERS

Unisonic Technologies 

UC2843B

LINEAR INTEGRATED CIRCUIT

 ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified)

PARAMETER

SYMBOL

RATINGS

UNIT

Supply Voltage (Low impedance source)

VCC

30

V

Analog Input Voltage (VFB and ISENSE)

VIN

-0.3~+6.3

V

Supply Current

ICC

30

mA

Error Amplifier Output Sink Current

IO(SINK)

10

mA

Output Current

IOUT

±1

A

Power Dissipation

SOP-8

DIP-8

PD

800

mW

1250

Output Energy (Capacitive load)

W

5

μJ

Junction Temperature

TJ

150

°C

Operating Temperature

TOPR

-40~+85

°C

Storage Temperature

TSTG

-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

SOP-8

Thermal Resistance Junction to Ambient

DIP-8

SYMBOL

θJA

 RECOMMENDED OPERATING CONDITIONS

RATINGS

156

100

UNIT

C/W

C/W

PARAMETER

SYMBOL

MIN

Supply Voltage

VCC

Input Voltage

RT/CT

VFB and ISENSE

VIN

0

0

Output Voltage (OUTPUT)

VOUT

0

Supply Current, Externally Limited

ICC

Output Current

IOUT

Reference Output Current

IO(REF)

Oscillator Frequency

fOSC

Operating Temperature

TA

-40

 ELECTRICAL CHARACTERISTICS

TYP

MAX

UNIT

30

V

5.5

V

5.5

V

30

V

25

mA

200

mA

-20

mA

100

500

kHz

+85

°C

(VCC=15V, RT =10kΩ, CT=3.3nF, TJ=25°C, unless otherwise specified)

PARAMETER

SYMBOL

TEST CONDITIONS

REFERENCE SECTION

Reference Output Voltage

VREF

IOUT =1mA, TJ =25°C

Line Regulation

ΔVOUT VCC = 12V~25V

Load Regulation

ΔVOUT IOUT = 1mA~20mA

Average Temperature Coefficient Of

Output Voltage

TS

Total Output Variation

VREF

VCC =12V~25V, IOUT =1mA~20mA

Output Noise Voltage

eN

f = 10Hz~10kHz, TJ =25°C

Long Term Stability

TJ=25°C For 1000 hours

Output Short Circuit Current

ISC

MIN

4.95

4.9

-30

TYP

5

6

6

0.2

50

5

-100

MAX UNIT

5.05 V

20 mV

25 mV

0.4 mV/°C

5.1 V

μV

25 mV

-180 mA

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

4 of 9

QW-R103-048.E

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