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LC554XLF Datasheet(PDF) 2 Page - Sanken electric

No. de pieza LC554XLF
Descripción Electrónicos  Single-Stage Power Factor Corrected Off-Line Switching Regulator ICs
Download  13 Pages
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Fabricante Electrónico  SANKEN [Sanken electric]
Página de inicio  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

LC554XLF Datasheet(HTML) 2 Page - Sanken electric

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Selection Guide
Part
Number
MOSFET
VDSS(min)
(V)
RDS(on)
(max)
(Ω)
PWM Operation
Frequency, fOSC(typ)
(kHz)
On-Time
tON(MAX)(typ)
(μs)
POUT*
(W)
230 VAC
85 to 265
VAC
LC5546LF
650
1.9
40
17.5
60
40
LC5547LF
1.1
80
55
LC5549LF
800
1.7
60
40
*Based on the thermal rating; the allowable maximum output power can be up to 120% to 140% of
this value. However, maximum output power may be limited in such an application with low output
voltage or short duty cycle.
Absolute Maximum Ratings Unless specifically noted, TA is 25°C
Characteristic
Symbol
Notes
Pins
Rating
Unit
Drain Current1
IDPeak
LC5546LF
Single pulse
1 – 2
9.2
A
LC5547LF
13.0
A
LC5549LF
10.5
A
Single Pulse Avalanche Energy2
EAS
LC5546LF ILPeak = 2.9A, VDD = 99 V, L = 20 mH
1 – 2
99
mJ
LC5547LF ILPeak = 4.4A, VDD = 99 V, L = 20 mH
233
mJ
LC5549LF ILPeak = 2.8A, VDD = 99 V, L = 20 mH
92
mJ
Control Part Input Voltage
VCC
3 – 2
35
V
OCP Pin Voltage
VOCP
4 – 2
−2.0 to 5.0
V
FB Pin Voltage
VFB
5 – 2
−0.3 to 7.0
V
OVP Pin Voltage
VOVP
7 – 2
−0.3 to 5.0
V
Allowable Power Dissipation of
MOSFET3
PD1
LC5546LF
With infinite heatsink
1 – 2
20.2
W
LC5547LF
23.6
W
LC5549LF
Without heatsink
1.8
W
Internal Frame Temperature in
Operation
TF
―−20 to 115
°C
Operating Ambient Temperature
TOP
―−55 to 115
°C
Storage Temperature
Tstg
―−55 to 125
°C
Channel Temperature
Tch
150
°C
1
Refer to MOSFET Safe Operating Area Curve.
2
Refer to MOSFET Avalanche Energy Derating Coefficient Curve.
3
Refer to MOSFET Temperature versus Power Dissipation Curve.
The polarity value for current specifies a sink as "+," and a source as “−,” referencing the IC.
January 28, 2013
2
SANKEN ELECTRIC CO., LTD.
LC5540LF-DS
Single-Stage Power Factor Corrected
Off-Line Switching Regulator ICs
LC5540LF
Series


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