TOP249Y Power Integrations, TOP249Y Datasheet - Page 14

• Manufacturer Part Number: TOP249Y
• Description: IC OFFLINE SWIT UVLO HV TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-GXr

Specifications of TOP249Y

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 250W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Uses of FREQUENCY (F) PIN
Figure 13. Full Frequency Operation (132 kHz).
14
TOP242-250
Voltage
Input
O
11/05
DC
+
-
D
S
CONTROL
Figure 15. Half Frequency Standby Mode (For High Standby
F
C
Voltage
Input
DC
+
-
Efficiency).
PI-2654-071700
D
S
CONTROL
Q
20 kΩ
R
S
HF
can be an optocoupler output.
F
Figure 14. Half Frequency Operation (66 kHz).
C
1 nF
Voltage
Q
Input
S
DC
47 kΩ
+
-
STANDBY
PI-2656-040501
D
S
CONTROL
F
C
PI-2655-071700