YD3842 Datasheet, PDF (2/4 Pages) Wuxi Youda electronics Co.,LTD – CURRENT MODE PWM CONTROL CIRCUITS

YOUDA INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS(Tamb=25℃)
PARAMETER
Supply Voltage (Low impedance Source)
Output Current
Analog Inputs(pin 2, 3)
Error Amplifier Output Sink Current
Power Dissipation
SYMBOL
VCC
Io
VI(ANA)
lSINK(EA)
PD
VALUE
30
±1
-0.3 to +6.3
10
1.0
YD3842
UNIT
V
A
V
mA
W
ELECTRICAL CHARACTERISTICS
(Tamb=25℃, VCC1=10V, Vcc2=9.5V, unless otherwise specified)
PARAMETER SYMBOL TEST CONDITIONS
Reference Section
Output Voltage
VREF
Tj=25℃, Io=1mA
Line Regulation
Load Regulation
Output Noise Voltage
△VREF
△VREF
Vose
Long Term Stability
12≤VIN≤25V
1≤lo=20mA
10Hz≤f≤10kHz,
Tj=25℃(note 2)
Ta=25℃, 1000Hrs
(note 2)
Output Short Circuit
lsc
Oscillator Section
Initial Accuracy
Voltage Stability
Temp Stability
f
△f/△Vcc
Tj=25℃
12≤Vcc≤25V
Tmin≤TA≤Tmax
(note 2)
Amplitude
Vosc
Vpin 4 peak to peak
Error Amplifier Section
Input Voltage
VI(EA)
Vpin 1=2.5V
Input Bias Current
lBIAS
AVOL
2≤Vo≤4V
Unity Gain
Bandwidth
PSRR
Tj=25℃(note 2)
12≤Vcc≤25V
Output Sink Current
lsink
Vpin2=2.7V,
Vpin 1=1.1V
Output Source
Current
Vout High
lsource
VOH
Vpin 2=2.3V, Vpin
1=5V
Vpin 2=2.3V, RL=15kΩ
to GND
Vout Low
Vpin 2=2.7V, Vpin
VOL
1=1.1V
MIN
4.90
-30
47
2.42
60
0.7
60
2
-0.5
5
TYP
5.00
6
6
50
5
-100
52
0.2
5
1.7
2.50
-0.3
90
1
70
6
-0.8
6
0.7
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
mA
V
1.1 V
WuXi YouDa Electronics Co., Ltd
2 of 4
Website: www.e-youda.com