TOP234Y Power Integrations, TOP234Y Datasheet - Page 11

• Manufacturer Part Number: TOP234Y
• Description: IC OFFLINE SWIT OVP UVLO TO220
• Manufacturer: Power Integrations
• Series: TOPSwitch®-FXr
• Type: Off Line Switcherr

Specifications of TOP234Y

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 700V
• Power (watts): 75W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: TO-220-7 (Formed Leads), 5 Leads
• Output Voltage: 12 V
• Input / Supply Voltage (max): 265 VAC
• Input / Supply Voltage (min): 85 VAC
• Duty Cycle (max): 78 %
• Switching Frequency: 132 KHz
• Supply Current: 1.5 mA
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Figure 10. Full Frequency Operation (132 kHz).
Typical Uses of FREQUENCY (F) Pin
Voltage
Input
DC
+
-
D
S
CONTROL
F
Figure 12. Half Frequency Standby Mode (For High Standby
C
Voltage
Input
DC
+
-
Efficiency).
PI-2505-081199
D
S
R
CONTROL
HF
Q
S
can be an optocoupler output.
F
20 kΩ
Figure 11. Half Frequency Operation (66 kHz).
C
1 nF
Voltage
Q
Input
S
DC
47 kΩ
+
-
STANDBY
PI-2507-040401
D
S
CONTROL
F
C
TOP232-234
PI-2506-081199
7/01
B
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