top233 Power Integrations, Inc., top233 Datasheet - Page 10
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top233
Manufacturer Part Number
top233
Description
Design Flexible, Ecosmart , Integrated Off-line Switcher
Manufacturer
Power Integrations, Inc.
Datasheet
1.TOP233.pdf
(36 pages)
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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