PL384XBQ8 Datasheet, PDF (6/15 Pages) Cystech Electonics Corp. – High Performance Current Mode PWM Controllers

CYStech Electronics Corp.
Spec. No. : C510Q8
Issued Date : 2003.04.24
Revised Date :
Page No. : 6/15
Figure 4:Oscillator Discharge Current vs Temperature
9
Vi=15V
VOSC=2V
8.5
8
7.5
7
-50 -25 0
25 50 75 100 125
Ambient Temperature---TA(℃)
Figure 6:Error Amp Open-Loop Gain vs Frequency
100
80
Vi=15V,Vo=2 to 4V
RL=100l,TA=25℃
60
40
20
0
-20
10
100 1000 10000 100000 100000 1E+07
Frequency---f(Hz)
0
Figure 8:Current Sense Input Threshold vs Error Amp
Output Voltage
1.2
Vi=15V
1
0.8 ^TA=125℃
0.6
TA=25℃
0.4
TA=-40℃
0.2
0
0
2
4
6
8
Error Amp Output Voltage---Vo(V)
PL384XBQ8
Figure 5:Maximum Output Duty Cycle vs Timing
Resistor
100
90
80
70
60
50
40
0.1
Idischg=7.5mA
Idischg=8.8m
A
Vi=15V
CT=3.3nF
TA=25℃
1
10
Timing Resistor---RT(kΩ)
Figure 7:Error Amp Phase vs Frequency
180
150
Vi=15V,Vo=2 to
4V
RL=100k,TA=25
120
90
60
30
0
10 100 1000 10000 100000 100000 1E+07
Frequency---f(Hz)
0
Figure 9:Reference Short Circuit Current vs Temperature
110
100
Vi=15V
RL≦0.1Ω
90
80
70
60
50
-50
-25 0 25 50 75 100 125
Ambient Temperature---TA(℃)
CYStek Product Specification