Spec. No. : C543F5
Issued Date : 2004.02.27
Revised Date :
CYStech Electronics Corp.
Page No. : 8/10
Minimum Power Dissipation
Feedback Pin Current
100
75
5
4.5
4
Adjustable version only
JA
θ = 32℃/W
50
3.5
3
JA
θ = 37℃/W
25
JA
θ = 50℃/W
2.5
2
0
-25
-50
-75
-100
1.5
1
0.5
0
JA
θ = 73℃/W
0
10 20 30 40 50 60 70 80 90 100
Ambient Temperature (℃)
-75 -50 -25
0
25 50 75 100 125 150
Junction Temperature (℃)
Switching Waveforms
Load Transient Response
50V
A
0
100mV
Output
Voltage
Change
0
4A
2A
0
-100mV
B
3A
2A
4A
2A
0
Load
Current
C
D
1A
0
μ
100 s / div
μ
5
s/ div
VOUT=15V
A : Output Pin Voltage, 50 V / div
B : Output Pin Current, 2A / div
C : Inductor Current, 2A / div
D : Output Ripple Voltage, 50mV / div
AC Coupled
μ
Horizontal Time Base : 5 s / div
PL2576-XXXF5
CYStek Product Specification
CYSTEKEC [ CYSTECH ELECTONICS CORP. ]
