TOP252-262 POWERINT [Power Integrations, Inc.], TOP252-262 Datasheet - Page 5
TOP252-262
Manufacturer Part Number
TOP252-262
Description
Enhanced EcoSmart, Integrated Off-Line Switcher with Advanced Feature Set and Extended Power Range
Manufacturer
POWERINT [Power Integrations, Inc.]
Datasheet
1.TOP252-262.pdf
(48 pages)
- Current page: 5 of 48
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Figure 3c. Functional Block Diagram (TOP254-258 YN Package and all eSIP Packages).
Figure 3d. Functional Block Diagram TOP259YN, TOP260YN, TOP261YN.
www.powerint.com
FREQUENCY
MONITOR (V)
MONITOR (V)
EXTERNAL
EXTERNAL
VOLTAGE
VOLTAGE
CURRENT
CURRENT
LIMIT (X)
LIMIT (X)
CONTROL (C)
CONTROL (C)
(F)
Z
Z
C
C
I
I
SHUNT REGULATOR/
FB
SHUNT REGULATOR/
FB
ERROR AMPLIFIER
ERROR AMPLIFIER
CURRENT
CURRENT
ADJUST
ADJUST
V
V
LIMIT
LIMIT
SENSE
SENSE
LINE
LINE
+
+
-
1 V
-
1 V
V
V
BG
BG
V
V
OVP
OVP
C
C
+ V
+ V
V I (LIMIT)
V I (LIMIT)
ON/OFF
DC
ON/OFF
DC
5.8 V
5.8 V
T
T
K
K
OV/
MAX
K
K
OV/
MAX
UV
UV
PS(UPPER)
PS(LOWER)
PS(UPPER)
PS(LOWER)
STOP LOGIC
STOP LOGIC
5.8 V
4.8 V
5.8 V
4.8 V
DC
SOFT START
I
I
I
DC
66k/132k
SOFT START
I
I
I
COMPARATOR
FB
PS(UPPER)
PS(LOWER)
FB
PS(UPPER)
PS(LOWER)
COMPARATOR
INTERNAL UV
INTERNAL UV
MAX
MAX
+
+
-
F REDUCTION
-
F REDUCTION
F REDUCTION
F REDUCTION
STOP SOFT
OSCILLATOR
STOP SOFT
WITH JITTER
OSCILLATOR
WITH JITTER
PWM
PWM
START
START
CLOCK
CLOCK
SOFT START
SOFT START
D
D
OFF
MAX
OFF
MAX
AUTO-RESTART
AUTO-RESTART
HYSTERETIC
SHUTDOWN/
SHUTDOWN
SHUTDOWN/
HYSTERETIC
SHUTDOWN
THERMAL
THERMAL
÷ 16
÷ 16
0
1
0
1
INTERNAL
SUPPLY
INTERNAL
SUPPLY
R
S
S
R
Q
Q
K
K
K
K
CURRENT LIMIT
PS(LOWER)
PS(UPPER)
COMPARATOR
CURRENT LIMIT
PS(LOWER)
PS(UPPER)
COMPARATOR
CONTROLLED
GATE DRIVER
TOP252-262
CONTROLLED
GATE DRIVER
TURN-ON
TURN-ON
BLANKING
SOURCE (S)
+
+
+
BLANKING
-
-
-
PI-4974-122607
SOURCE (S)
LEADING
+
+
+
-
-
-
PI-4511-082907
LEADING
EDGE
EDGE
GROUND (G)
DRAIN (D)
SOURCE (S)
DRAIN (D)
SOURCE (S)
SIGNAL
Rev. F 01/09
5
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