TOP266KG Power Integrations, TOP266KG Datasheet - Page 22

• 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

Rev. C 11/10
Figure 29. Layout Considerations for TOPSwitch-JX Using V Package and Operating at 132 kHz.
Figure 30. Layout Considerations for TOPSwitch-JX Using K Package and Operating at 132 kHz.
for Optimum Heat Sinking
22
for Optimum Heat Sinking
Maximize Copper Area
Maximize Copper Area
DC
TOP264-271
IN
DC
IN
J1
J1
Input Filter
Capacitor
Input Filter
Capacitor
C4
C4
U1
U1
RPL1
RPL1
RIL
RLS1
RIL
CBP
RLS1
RIL
CBP
C10
CBP
C10
VZOV
VZOV
R12
R12
D5
R16
C3
D5
ROV
R16
DB
C3
ROV
DB
Clamp Circuit
Clamp Circuit
R5
R5
CB
CB+
VR1
VR1
U2
Transformer
U2
Transformer
C11
C11
T1
T1
Output Filter
Output Filter
Rectifiers
Capacitors
Rectifiers
Capacitors
Output
Output
Capacitor
Capacitor
Y-
Y-
U3
U3
J2
J2
–
–
C17
C17
OUT
OUT
DC
C18
DC
C18
D8
D9
D8
D9
C16
C16
L2
www.powerint.com
L2
Post-Filter
Post-Filter
PI-5752-012510
PI-6173-100610
HF LC
HF LC