TOP232-234 Datasheet, PDF (10/36 Pages) Power Integrations, Inc. – Family Design Flexible,EcoSmart, Intergrated OFff-line Switcher

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