TOP242FN Power Integrations, TOP242FN Datasheet - Page 42

• Manufacturer Part Number: TOP242FN
• Description: IC OFFLINE SWIT UVLO HV TO262
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr
• Type: Off Line Switcherr

Specifications of TOP242FN

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 22W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-262-7 (Formed Leads), 5 Leads
• Output Voltage: 12 V
• Input / Supply Voltage (max): 265 VAC
• Input / Supply Voltage (min): 85 VAC
• Duty Cycle (max): 83 %
• Switching Frequency: 132 KHz
• Supply Current: 1.6 mA
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

42
TOP242-250
O
11/05
Figure 56a. Current Limit vs. MULTI-FUNCTION Pin Current (TOP246P/G only).
Figure 56b. Current Limit vs. External Current Limit Resistance (TOP246P/G only).
Figure 56c. External Current Limit vs. External Current Limit Resistance at 0 °C, 25 °C and 100 °C Junction
1.25
1.20
1.15
1.10
1.05
1.00
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
.95
.90
.85
.80
.75
.70
-250
0
0
Measured at 25 °C.
Temperature (TOP246P/G only).
5K
5K
-200
Typical
10K
10K
External Current Limit Resistor R
External Current Limit Resistor R
100 °C
15K
15K
-150
20K
0 °C
20K
I
Refer to MULTIFUNCTION (M) Pin
Operation section
M
(µA)
25K
25K
-100
25 °C
30K
30K
IL
IL
(Ω)
(Ω)
35K
35K
-50
Scaling Factor:
TOP246P/G: 1.35
Scaling Factor:
TOP246P/G: 1.35
40K
40K
PI-3724-110405
PI-3725-110405
45K
45K
0
200
180
160
140
120
100
80
60
40
200
180
160
140
120
100
80
60
40