top250p Power Integrations, Inc., top250p Datasheet - Page 13

• Manufacturer Part Number: top250p
• Description: Extended Power, Design Flexible, Ecosmart, Integrated Off-line Switcher A
• Manufacturer: Power Integrations, Inc.

Figure 12a. LINE-SENSE (L), and EXTERNAL CURRENT LIMIT (X) Pin Input Simplified Schematic.
Figure 12b. MULTI-FUNCTION (M) Pin Input Simplified Schematic.
EXTERNAL CURRENT LIMIT (X)
MULTI-FUNCTION (M)
CONTROL (C)
CONTROL (C)
LINE-SENSE (L)
P and G Package
240 µA
Y, R and F Package
V
BG
+ V
240 µA
V
T
400 µA
BG
(Negative Current Sense - ON/OFF,
V
BG
Current Limit Adjustment)
+ V
(Positive Current Sense - Under-Voltage,
TOPSwitch-GX
V
T
(Negative Current Sense - ON/OFF,
400 µA
BG
TOPSwitch-GX
Overvoltage, Maximum Duty
Current Limit Adjustment)
1 V
(Positive Current Sense - Under-Voltage,
Cycle Reduction)
Overvoltage, ON/OFF Maximum Duty
(Voltage Sense)
Cycle Reduction)
TOP242-250
PI-2634-022604
PI-2548-022604
11/05
O
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