tny253 Power Integrations, Inc., tny253 Datasheet - Page 14

• Manufacturer Part Number: tny253
• Description: Energy Efficient, Low Power Off-line Switchers
• Manufacturer: Power Integrations, Inc.

Typical Performance Characteristics (Continued)
14
TNY253/254/255
BYPASS PIN START-UP WAVEFORM
CURRENT LIMIT vs. TEMPERATURE
D
4/03
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
7
6
5
4
3
2
1
0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
TNY254 CURRENT LIMIT vs. di/dt
0
-50 -25
0
Junction Temperature (°C)
0.2
50
0
di/dt in mA/µs
0.4
Time (ms)
100
25
0.6
150
50
75
0.8
200
100 125
1.0
250
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
1.4
300
250
200
150
100
1.2
1.0
0.8
0.6
0.4
0.2
0.0
TNY253 CURRENT LIMIT vs. di/dt
50
TNY255 CURRENT LIMIT vs. di/dt
0
OUTPUT CHARACTERISTIC
0 12.5 25 37.5 50 62.5 75 87.5 100
0
0
160
2
DRAIN Voltage (V)
T
T
di/dt in mA/µs
di/dt in mA/µs
CASE
CASE
320
=25 °C
=100 °C
4
480
6
Scaling Factors:
TNY253
TNY254
TNY255
640
8
1.00
1.00
1.33
800
10