YD3843 Datasheet, PDF (2/4 Pages) Wuxi Youda electronics Co.,LTD – CURRENT MODE PWM CONTROL CIRCUITS

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, R_T =10kΩ, C_T =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
2 of 4
Website: www.e-youda.com