TOP242 Power Integrations Inc., TOP242 Datasheet - Page 14

• Manufacturer Part Number: TOP242
• Description: Family Extended Power/ Design Flexible/Integrated Off-line Switcher
• 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.
14
TOP242-249
EXTERNAL CURRENT LIMIT (X)
E
7/01
MULTI-FUNCTION (M)
August 8, 2000
CONTROL Pin
CONTROL Pin
LINE-SENSE (L)
P and G Package
240 µA
Y and R Package
V
BG
+ V
V
240 µA
T
400 µA
(Negative Current Sense - ON/OFF,
BG
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)
PI-2548-092399
PI-2634-033001