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T0P249Y View Datasheet(PDF) - Power Integrations, Inc

Part NameDescriptionManufacturer
T0P249Y TOPSwitch-GX Family Extended Power, Design Flexible, EcoSmart, Integrated Off-line Switcher Power-Integrations
Power Integrations, Inc Power-Integrations
T0P249Y Datasheet PDF : 52 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
CONTROL (C)
EXTERNAL
CURRENT LIMIT (X)
LINE-SENSE (L)
FREQUENCY (F)
VC
ZC
SHUNT REGULATOR/
ERROR AMPLIFIER
5.8 V
IFB
VI (LIMIT)
CURRENT
LIMIT
SOFT
ADJUST START
ON/OFF
VBG + VT
+
5.8 V
4.8 V
-
INTERNAL UV
COMPARATOR
SOFT START
0
INTERNAL
1
SUPPLY
÷8
SHUTDOWN/
AUTO-RESTART
1V
VBG
OV/UV
LINE
SENSE DCMAX
STOP LOGIC
STOP SOFT-
START
DCMAX
DMAX
CLOCK
HYSTERETIC
THERMAL
SHUTDOWN
HALF
FREQ.
SAW
OSCILLATOR WITH JITTER
-
+
PWM
COMPARATOR
LIGHT LOAD
RE
FREQUENCY
REDUCTION
S
Q
R
Figure 2a. Functional Block Diagram (Y, R or F Package).
CONTROL (C)
MULTI-
FUNCTION (M)
VC
ZC
0
INTERNAL
1
SUPPLY
SHUNT REGULATOR/
ERROR AMPLIFIER
5.8 V
IFB
VI (LIMIT)
CURRENT
LIMIT
ADJUST
SOFT
START
ON/OFF
VBG + VT
+
5.8 V
4.8 V
-
INTERNAL UV
COMPARATOR
SOFT START
÷8
SHUTDOWN/
AUTO-RESTART
STOP LOGIC
VBG
OV/UV
LINE
SENSE DCMAX
STOP SOFT-
START
DCMAX
DMAX
CLOCK
HYSTERETIC
THERMAL
SHUTDOWN
SAW
-
OSCILLATOR WITH JITTER
+
PWM
COMPARATOR
LIGHT LOAD
RE
FREQUENCY
REDUCTION
S
Q
R
Figure 2b. Functional Block Diagram (P or G Package).
TOP242-250
DRAIN (D)
CURRENT LIMIT
COMPARATOR
CONTROLLED
TURN-ON
GATE DRIVER
LEADING
EDGE
BLANKING
SOURCE (S)
PI-2639-060600
DRAIN (D)
CURRENT LIMIT
COMPARATOR
CONTROLLED
TURN-ON
GATE DRIVER
LEADING
EDGE
BLANKING
SOURCE (S)
PI-2641-061200
M
12/04
3
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