TOP234Y Power Integrations, TOP234Y Datasheet - Page 10

• 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 9. MULTI-FUNCTION Pin Input Simplified Schematic.
Figure 8. MULTI-FUNCTION Pin Characteristics.
10
TOP232-234
Note: This figure provides idealized functional characteristics of the MULTI-FUNCTION pin with typical performance values.
FUNCTION
Pin Voltage
Duty Cycle
Switching
Maximum
MOSFET
MULTI-
Current
Output
B
7/01
Limit
Please refer to the parametric table and typical performance characteristics sections of the data sheet for measured data.
MULTI-FUNCTION Pin
-250
CONTROL Pin
(Enabled)
(Disabled)
I
DC
LIMIT
MAX
-200
(Default)
(78.5%)
-150
V
BG
-100
240 µA
MULTI-FUNCTION Pin Current (µA)
-50
V
I
REM(N)
BG
+ V
V
T
0
400 µA
(Negative Current Sense - ON/OFF,
BG
Disabled when supply
output goes out of
regulation
Current Limit Adjustment)
(Positive Current Sense - Under-Voltage,
I
50
UV
TOPSwitch-FX
Over-Voltage, Maximum Duty
100
Cycle Reduction)
V
150
BG
+ V
TP
200
I
OV
250
300
350
400
PI-2524-081999
PI-2548-092399
I
I
I
I
M
M
M
M