top233 Power Integrations, Inc., top233 Datasheet - Page 32

• Manufacturer Part Number: top233
• Description: Design Flexible, Ecosmart , Integrated Off-line Switcher
• Manufacturer: Power Integrations, Inc.

Typical Performance Characteristics (cont.)
32
TOP232-234
CYCLE SKIPPING vs. TEMPERATURE
B
7/01
CONTROL CURRENT at START of
MULTI-FUNCTION PIN VOLTAGE
1.2
1.0
0.8
0.6
0.4
0.2
1.5
0.5
6
5
4
3
2
1
0
0
OUTPUT CHARACTERISTICS
0
1
MULTI-FUNCTION Pin Current (µA)
-300 -200 -100 0
-50 -25
0
Junction Temperature (°C)
vs. CURRENT
2
0
DRAIN Voltage (V)
T
T
CASE
CASE
25
= 25 °C
= 100 °C
4
100 200 300 400 500
50
See
Expanded
Version
6
75 100 125 150
Scaling Factors:
TOP234 1.00
TOP233 0.67
TOP232 0.33
8
10
THRESHOLD CURRENT vs. TEMPERATURE
MAX. DUTY CYCLE REDUCTION ONSET
MULTI-FUNCTION PIN VOLTAGE
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.2
1.0
0.8
0.6
0.4
0.2
1.6
1.2
0.8
0.4
0
0
2
0
vs. CURRENT (EXPANDED)
-300
-50 -25
MULTI-FUNCTION Pin Current (µA)
0
I
C
V
vs. DRAIN VOLTAGE
C
-250
Junction Temperature (°C)
= 5 V
20
0
DRAIN Voltage (V)
-200 -150
25
40
50
60
75 100 125 150
-100
80
-50
100
0