TOP266KG Power Integrations, TOP266KG Datasheet - Page 14

• Manufacturer Part Number: TOP266KG
• Description: IC OFFLINE SWITCHER 39W 58W
• Manufacturer: Power Integrations
• Series: TOPSwitch®-JXr

Specifications of TOP266KG

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 725V
• Power (watts): 39W
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 12-BSOP (0.350", 8.89mm Width) Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1399

Figure 21. Active-on Remote ON/OFF with Externally Set Current Limit,
Typical Uses of VOLTAGE MONITOR (V) and EXTERNAL CURRENT LIMIT (X) Pins (cont.)
Rev. C 11/10
Figure 19. Current Limit Reduction with Line Voltage.
Figure 23. Line Sensing and Externally Set Current Limit.
14
Voltage
Voltage
Voltage
Input
and Latch Reset
Input
Input
DC
+
DC
DC
+
+
-
-
-
TOP264-271
R
LS
2.5 MΩ
D
S
D
S
D
S
R
CONTROL
CONTROL
LS
CONTROL
X
X
X
12 kΩ
R
6 kΩ
V
R
4 MΩ
IL
R
IL
IL
C
Q
C
C
V
V
For R
DC
DC
R
Q
output or can be replaced
by a manual switch.
UV
OV
R
I
I
LIMIT
LIMIT
MAX
MAX
can be an optocoupler
V
V
= I
= I
For R
See Figure 37 for
other resistor values
(R
I
LIMIT
UV
OV
LS
16 kΩ
UV
OV
IL
@ 100 VDC = 76%
@ 375 VDC = 41%
I
=
=
LIMIT
= 4 MΩ
= 102.8 VDC
= 451 VDC
) to select different
100% @ 100 VDC
53% @ 300 VDC
For R
For R
x R
x R
values.
IL
I
I
= 12 kΩ
LIMIT
LIMIT
= 61%
LS
LS
PI-5531-072309
IL
IL
ON/OFF
PI-5465-061009
+ V
+ V
=
= 61%
=
= 37%
12 kΩ
V
19 kΩ
V
(I
(I
V
V
= I
= I
UV
oV
)
)
Figure 22. Active-on Remote ON/OFF with Line Sense and External
Figure 20. Active-on (Fail Safe) Remote ON/OFF, and Latch Reset.
Figure 24. Externally Set Current Limit, Fast AC Latch Reset and Brownout.
Voltage
Voltage
Voltage
Input
Current Limit, and Latch Reset.
Input
Input
DC
DC
DC
+
+
+
-
-
-
D
D
S
D
S
S
R
Q
CONTROL
CONTROL
CONTROL
LS
R
X
X
Typ. 65 VAC brownout threshold.
<3 s AC latch reset time.
Higher gain Q
decreasing C1 for lower no-load input
power.
X
V
4 MΩ
R
R
47 KΩ
IL
Q
output or can be replaced by
a manual switch.
IL
R
Q
C
C
C
can be an optocoupler
Q
V
V
DC
DC
R
R
UV
OV
Q
output or can be replaced
by a manual switch.
MAX
MAX
R
= I
R
= I
ON/OFF
can be an optocoupler
allows increasing R1/
@100 VDC = 76%
@375 VDC = 41%
UV
OV
16 kΩ
www.powerint.com
39 kΩ
× R
× R
4 MΩ 1N4007
R2
R1
For R
LS
LS
I
LIMIT
PI-5466-061009
PI-5652-110609
PI-5467-061009
+ V
+ V
ON/OFF
IL
47 nF
V
=
= 61%
V
C1
(I
12 kΩ
(I
V
V
= I
Input
= I
AC
UV
oV
)
)