TOP270EG Power Integrations, TOP270EG Datasheet - Page 29

• Manufacturer Part Number: TOP270EG
• Description: IC OFFLINE SW PWM OCP OVP 7ESIP
• Manufacturer: Power Integrations
• Series: TOPSwitch®-JXr
• Type: Off Line Switcherr

Specifications of TOP270EG

• Output Isolation: Isolated
• Frequency Range: 66 ~ 132kHz
• Voltage - Output: 725V
• Power (watts): 140W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 7-SIP, 6 Leads, Exposed Pad, Formed Leads
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 596-1280-5

NOTES:
A. Derived during test from the parameters DC
B. For specifications with negative values, a negative temperature coefficient corresponds to an increase in magnitude with
C. Guaranteed by characterization. Not tested in production.
D. For externally adjusted current limit values, please refer to Figures 36 and 37 (Current Limit vs. External Current Limit Resistance)
E. I
F. The device will start up at 18 V
G. Breakdown voltage may be checked against minimum BV
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increasing temperature, and a positive temperature coefficient corresponds to a decrease in magnitude with increasing
temperature.
in the Typical Performance Characteristics section. The tolerance specified is only valid at full current limit.
connection. See f
below 0 °C. For reliable start up at 18 V in sub zero temperatures, designers must ensure that circuit capacitors meet recom-
mended capacitance values.
exceeding minimum BV
2
f calculation is based on typical values of I
OSC
specification for detail.
DSS
.
DC
drain voltage. The capacitance of electrolytic capacitors drops significantly at temperatures
LIMIT
MAX
, I
and f
B
and I
OSC,
C(OFF)
i.e. I
DSS
LIMIT(TYP)
at 132 kHz.
specification by ramping the DRAIN pin voltage up to but not
2
× f
OSC
, where f
OSC
= 66 kHz or 132 kHz depending on F pin
TOP264-271
Rev. C 11/10
29