Datasheet

TNY253/254/255
13
D
4/03
1.1
1.0
0.9
-50 -25 0 25 50 75 100 125 150
Junction Temperature (°C)
Breakdown Voltage (V)
(Normalized to 25 °C)
BREAKDOWN vs. TEMPERATURE
PI-2213-040901
Typical Performance Characteristics
Figure 17. Current Limit Envelope.
Figure 15. TinySwitch Duty Cycle Measurement.
PI-2194-062398
ENABLE
t
P
t
EN
t
P
=
1
2f
OSC
for TNY253/254
DC
MAX
t
P
=
1
f
OSC
for TNY255
Figure 16. TinySwitch Output Enable Timing.
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 -25 0 25 50 75 100 125
Junction Temperature (°C)
FREQUENCY vs. TEMPERATURE
PI-2238-033001
Output Frequency
(Normalized to 25 °C)
0.8
1.3
1.2
1.1
0.9
0.8
1.0
0
012 6 83
Time ( s)
DRAIN Current (normalized)
PI-2248-090198
45 7
0.7
0.6
0.5
0.4
0.3
0.2
0.1
I
LIMIT(MAX)
@ 25 °C
I
LIMIT(MIN)
@ 25 °C
I
INIT(MIN)
t
LEB
(Blanking Time)
PI-2048-033001
DRAIN
VOLTAGE
HV
0 V
90%
10%
90%
t
2
t
1
D =
t
1
t
2