YD3843 データシートの表示（PDF） - Wuxi Youda electronics Co.,LTD

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YD3843

CURRENT MODE PWM CONTROL CIRCUITS

Wuxi Youda electronics Co.,LTD 

YOUDA INTEGRATED CIRCUIT

YD3843

ABSOLUTE MAXIMUM RATINGS(Tamb=25℃)

PARAMETER

Supply Voltage(Low impedance Source)

Supply Voltage(Icc＜30mA)

Output Current

Output Energy(Capacitive Load)

Analog Inputs(pin 2, 3)

Error Amplifier Output Sink Current

Power Dissipation

Lead Temperature

Storage Temperature

Note 1:Ta＞25℃, PD derated with 8mW/℃.

SYMBOL

Vcc

Vcc

Io

VI(ANA)

lSINK(EA)

PD

Tlead

Tstg

VALUE

30

Self Limiting

±1

5

-0.3 to +6.3

10

At Tamb≤25℃ 1.0

300

-65—+150

UNIT

V

V

A

μJ

V

mA

W

℃

℃

ELECTRICAL CHARACTERISTICS

(Vcc=15V, RT =10kΩ, CT =3.3nF, Tamb=0℃～70℃, unless otherwise specified)

PARAMETER SYMBOL TEST CONDITIONS MIN TYP

Reference Section

Output Voltage

VREF

Tj=25℃, Io=1mA

4.90 5.00

Line Regulation

△VREF

12≤VIN≤25V

6

Load Regulation

△VREF

1≤lo=20mA

6

10Hz≤f≤10kHz,

Output Noise Voltage Vose

Tj=25℃(note 2)

50

Long Term Stability

Ta=25℃, 1000Hrs(note

5

2)

Output Short Circuit

lsc

-30 -100

Oscillator Section

Initial Accuracy

Voltage Stability

Temp Stability

f

Tj=25℃

47 52

△f/△Vcc

12≤Vcc≤25V

0.2

Tmin≤TA≤Tmax(note

5

2)

Amplitude

Vosc

Vpin 4 peak to peak

1.7

Error Amplifier Section

Input Voltage

VI(EA)

Vpin 1=2.5V

2.42 2.50

Input Bias Current

lBIAS

AVOL

2≤Vo≤4V

-0.3

60 90

Unity Gain

Bandwidth

Tj=25℃(note 2)

0.7

1

PSRR

12≤Vcc≤25V

60 70

Output Sink Current

lsink

Vpin2=2.7V,

Vpin 1=1.1V

2

6

MAX UNIT

5.10 V

20 mV

25 MV

6 mV

25 mV

-180 mA

57 kHz

1

%

%

V

2.58 V

-2 μA

dB

6.0 mHz

dB

mA

WuXi YouDa Electronics Co., Ltd

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Website: www.e-youda.com

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