TOP262EN Datasheet PDF - Power Integrations
Part Number | TOP262EN | |
Description | Integrated Off Line Switcher | |
Manufacturers | Power Integrations | |
Logo | ||
There is a preview and TOP262EN download ( pdf file ) link at the bottom of this page. Total 30 Pages |
Preview 1 page No Preview Available ! TOP252-262
TOPSwitch™-HX Family
Enhanced EcoSmart™, Integrated Off-Line Switcher with
Advanced Feature Set and Extended Power Range
Product Highlights
Lower System Cost, Higher Design Flexibility
• Multi-mode operation maximizes efficiency at all loads
• New eSIP-7F and eSIP-7C packages
• Low thermal impedance junction-to-case (2 °C per watt)
• Low height is ideal for adapters where space is limited
• Simple mounting using a clip to aid low cost manufacturing
• Horizontal eSIP-7F package ideal for ultra low height adapter
and monitor applications
• Extended package creepage distance from DRAIN pin to
adjacent pin and to heat sink
• No heat sink required up to 35 W using P, G and M packages
with universal input voltage and up to 48 W at 230 VAC
• Output overvoltage protection (OVP) is user programmable for
latching/non-latching shutdown with fast AC reset
• Allows both primary and secondary sensing
• Line undervoltage (UV) detection prevents turn-off glitches
• Line overvoltage (OV) shutdown extends line surge limit
• Accurate programmable current limit
• Optimized line feed-forward for line ripple rejection
• 132 kHz frequency (254Y-258Y and all E/L packages) reduces
transformer and power supply size
• Half frequency option for video applications
• Frequency jittering reduces EMI filter cost
+
AC DC
IN OU-T
DV
TOPSwitch-HX
CONTROL
C
S XF
Figure 1. Typical Flyback Application.
PI-4510-100206
• Heat sink is connected to SOURCE for low EMI
• Improved auto-restart delivers <3% of maximum power in
short circuit and open loop fault conditions
• Accurate hysteretic thermal shutdown function automatically
recovers without requiring a reset
• Fully integrated soft-start for minimum start-up stress
• Extended creepage between DRAIN and all other pins
improves field reliability
Output Power Table
Product5
230 VAC ±15%4
Adapter1
Open
Frame2
Peak3
TOP252PN/GN
TOP252MN
9W
15 W
21 W
21 W
85-265 VAC
Adapter1
Open
Frame2
6 W 10 W
Peak3
13 W
13 W
TOP253PN/GN
TOP253MN
15 W
25 W
38 W
43 W
9W
15 W
25 W
29 W
TOP254PN/GN
TOP254MN
16 W
28 W
47 W
62 W
11 W
20 W
30 W
40 W
TOP255PN/GN
TOP255MN
19 W
30 W
54 W
81 W
13 W
22 W
35 W
52 W
TOP256PN/GN
TOP256MN
21 W
34 W
63 W
98 W
15 W
26 W
40 W
64 W
TOP257PN/GN
TOP257MN
25 W
41 W
70 W
119 W
19 W
30 W
45 W
78 W
TOP258PN/GN
TOP258MN
29 W
48 W
77 W
140 W
22 W
35 W
50 W
92 W
Product5
TOP252EN/EG
230 VAC ±15%
Adapter1
Open
Frame2
10 W 21 W
85-265 VAC
Adapter1
Open
Frame2
6 W 13 W
TOP253EN/EG
21 W 43 W 13 W 29 W
TOP254EN/YN/EG 30 W 62 W 20 W 43 W
TOP255EN/YN/EG 40 W 81 W 26 W 57 W
TOP255LN
40 W 81 W 26 W 57 W
TOP256EN/YN/EG 60 W 119 W 40 W 86 W
TOP256LN
60 W 88 W 40 W 64 W
TOP257EN/YN/EG 85 W 157 W 55 W 119 W
TOP257LN
85 W 105 W 55 W 78 W
TOP258EN/YN/EG 105 W 195 W 70 W 148 W
TOP258LN
105 W 122 W 70 W 92 W
TOP259EN/YN/EG 128 W 238 W 80 W 171 W
TOP259LN
128 W 162 W 80 W 120 W
TOP260EN/YN/EG 147 W 275 W 93 W 200 W
TOP260LN
147 W 190 W 93 W 140 W
TOP261EN/YN/EG 177 W 333 W 118 W 254 W
TOP261LN
177 W 244 W 118 W 177 W
TOP262EN6
177 W 333 W 118 W 254 W
TOP262LN6
177 W 244 W 118 W 177 W
Table 1. Output Power Table. (for notes see page 2).
www.powerint.com
June 2013
|
|
TOP252-262
CONTROL (C)
EXTERNAL
CURRENT
LIMIT (X)
VOLTAGE
MONITOR (V)
FREQUENCY
(F)
VC
ZC
SHUNT REGULATOR/
ERROR AMPLIFIER
-
+ 5.8 V
IFB
VI (LIMIT)
CURRENT
LIMIT
ADJUST
ON/OFF
5.8 V
4.8 V
+
-
INTERNAL UV
COMPARATOR
VBG + VT
1V
STOP LOGIC
SOFT START
0
INTERNAL
1 SUPPLY
√ 16
SHUTDOWN/
AUTO-RESTART
HYSTERETIC
THERMAL
SHUTDOWN
V OVP OV/
UV
LINE
SENSE DCMAX
STOP SOFT
START
DCMAX
OSCILLATOR
WITH JITTER
66k/132k
F REDUCTION
DMAX
CLOCK
KPS(UPPER)
KPS(LOWER)
F REDUCTION
SOFT START
IFB
IPS(UPPER)
IPS(LOWER)
PWM
OFF
SQ
R
Figure 3c. Functional Block Diagram (TOP254-258 YN Package and all eSIP Packages).
CONTROL (C)
EXTERNAL
CURRENT
LIMIT (X)
VOLTAGE
MONITOR (V)
VC
ZC
SHUNT REGULATOR/
ERROR AMPLIFIER
-
+ 5.8 V
IFB
VI (LIMIT)
CURRENT
LIMIT
ADJUST
ON/OFF
5.8 V
4.8 V
+
-
INTERNAL UV
COMPARATOR
VBG + VT
1V
STOP LOGIC
SOFT START
0
INTERNAL
1 SUPPLY
√ 16
SHUTDOWN/
AUTO-RESTART
HYSTERETIC
THERMAL
SHUTDOWN
V OVP OV/
UV
LINE
SENSE DCMAX
DCMAX
STOP SOFT
START
OSCILLATOR
WITH JITTER
DMAX
CLOCK
F REDUCTION
KPS(UPPER)
KPS(LOWER)
F REDUCTION
SOFT START
IFB
IPS(UPPER)
IPS(LOWER)
PWM
OFF
SQ
R
Figure 3d. Functional Block Diagram TOP259YN, TOP260YN, TOP261YN.
-
+
KPS(UPPER)
-
+
KPS(LOWER)
-
+
CURRENT LIMIT
COMPARATOR
SOURCE (S)
CONTROLLED
TURN-ON
GATE DRIVER
LEADING
EDGE
BLANKING
PI-4511-082907
-
+
KPS(UPPER)
-
+
KPS(LOWER)
-
+
CURRENT LIMIT
COMPARATOR
SOURCE (S)
CONTROLLED
TURN-ON
GATE DRIVER
LEADING
EDGE
BLANKING
PI-4974-122607
DRAIN (D)
SOURCE (S)
DRAIN (D)
SOURCE (S)
SIGNAL
GROUND (G)
www.powerint.com
5
Rev. H 06/13
Preview 5 Page |
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Information | Total 30 Pages | |
Link URL | [ Copy URL to Clipboard ] | |
Download | [ TOP262EN.PDF Datasheet ] |
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