TOP255GN Power Integrations, TOP255GN Datasheet - Page 20
![IC OFFLINE SWIT PROG OVP 8SMD](/photos/7/32/73212/596-8-csmd_sml.jpg)
TOP255GN
Manufacturer Part Number
TOP255GN
Description
IC OFFLINE SWIT PROG OVP 8SMD
Manufacturer
Power Integrations
Series
TOPSwitch®-HXr
Type
Off Line Switcherr
Datasheet
1.TOP252GN-TL.pdf
(48 pages)
Specifications of TOP255GN
Output Isolation
Isolated
Frequency Range
119 ~ 145kHz
Voltage - Output
700V
Power (watts)
54W
Operating Temperature
-40°C ~ 150°C
Package / Case
8-SMD Gull Wing, 7 Leads
For Use With
596-1193 - KIT REF DESIGN TOP HX FOR TOP258
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TOP255GN
Manufacturer:
POWER
Quantity:
15 000
Part Number:
TOP255GN-TL
Manufacturer:
POWER
Quantity:
20 000
Typical Uses of MULTI-FUNCTION (M) Pin (cont.)
Figure 39. Active-off Remote ON/OFF with Externally Set Current Limit
Rev. F 01/09
Figure 37. Active-on (Fail Safe) Remote ON/OFF.
20
ON/OFF
Voltage
Input
DC
+
-
Voltage
(see M Pin Operation Description).
Input
DC
R
+
ON/OFF
TOP252-262
47 k
-
IL
12 k
Q
R
7 k
D
S
CONTROL
D
S
Q
M
R
CONTROL
R
M
MC
C
Q
output or can be replaced
by a manual switch.
R
24 k
Q
output or can be replaced
by a manual switch.
can be an optocoupler
C
R
can be an optocoupler
R
MC
=
PI-2519-040501
2R
PI-4736-060607
IL
Figure 38. Active-on Remote ON/OFF with Externally Set Current Limit
Figure 40. Line-Sensing for Undervoltage, Overvoltage, Line Feed-Forward and
ON/OFF
Reset
Voltage
Voltage
Input
DC
Input
(see M Pin Operation Description).
+
DC
Latched Output Overvoltage Protection with Device Reset.
+
16 k
-
-
10 k
R
IL
Q
R
Q
R
D
S
D
S
R
CONTROL
CONTROL
LS
M
M
4 M
For R
C
C
V
V
V
V
DC
DC
Q
output or can be replaced
by a manual switch.
UV
OV
UV
OV
LS
R
MAX
MAX
= I
= 102.8 VDC
= I
= 4 M
= 451 VDC
can be an optocoupler
For R
For R
Sense Output Voltage
UV
OV
@ 100 VDC = 76%
@ 375 VDC = 41%
www.powerint.com
I
I
LIMIT
LIMIT
× R
× R
IL
IL
LS
LS
=
= 61%
=
= 37%
PI-4757-120307
12 k
PI-4735-092107
+ V
19 k
+ V
M
M
(I
(I
M
M
= I
= I
UV
OV
)
)