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LC5547LF データシート(PDF) 3 Page - Sanken electric

部品番号 LC5547LF
部品情報  Single-Stage Power Factor Corrected Off-Line Switching Regulators
Download  13 Pages
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メーカー  SANKEN [Sanken electric]
ホームページ  http://www.sanken-ele.co.jp/en
Logo SANKEN - Sanken electric

LC5547LF データシート(HTML) 3 Page - Sanken electric

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Electrical Characteristics of Control Part (MIC) Unless specifically noted, TA is 25°C, VCC = 20 V
Characteristic
Symbol
Test Conditions
Pins
Min.
Typ.
Max.
Unit
Power Supply Startup Operation
Operation Start Voltage
VCC(ON)
3 – 2
13.8
15.1
17.3
V
Operation Stop Voltage*
VCC(OFF)
3 – 2
8.4
9.4
10.7
V
Circuit Current in Operation
ICC(ON)
3 – 2
4.7
mA
Startup Circuit Operation Voltage
VSTARTUP
1 – 2
18
21
24
V
Startup Current
ICC(STARTUP) VCC = 13 V
3 – 2
−8.5
−4.0
−1.5
mA
Startup Current Threshold Biasing
Voltage*
VCC(BIAS)
3 – 2
9.5
11.0
12.5
V
Normal Operation
PWM Operation Frequency
fOSC
1 – 2
33
40
47
kHz
Maximum On-Time
tON(MAX)
1 – 2
14
17.5
21
μs
FB Pin Control Minimum Voltage
VFB(MIN)
5 – 2
0.50
0.85
1.20
V
Maximum Feedback Current
IFB(MAX)
5 – 2
–40
–25
–10
μA
Leading Edge Blanking Time
tON(LEB)
4 – 2
600
ns
Quasi-Resonant Operation Threshold
Voltage-1
VBD(TH1)
4 – 2
0.14
0.24
0.34
V
Quasi-Resonant Operation Threshold
Voltage-2
VBD(TH2)
4 – 2
0.11
0.16
0.21
V
Protected Operation
OCP Pin Overcurrent Protection
(OCP) Threshold Voltage
VOCP
4 – 2
−0.66
−0.60
−0.54
V
OCP Pin Source Current
IOCP
4 – 2
−120
−40
−10
μA
OCP Pin Overvoltage Protection
(OVP) Operation Voltage
VBD(OVP)
4 – 2
2.2
2.6
3.0
V
Overload Protection (OLP) Threshold
Voltage
VFB(OLP)
5 – 2
4.1
4.5
4.9
V
OVP Pin OVP Threshold Voltage
VOVP(OVP)
7 – 2
1.6
2.0
2.4
V
VCC Pin OVP Threshold Voltage
VCC(OVP)
3 – 2
28.5
31.5
34.0
V
Thermal Shutdown Activating
Temperature
TJ(TSD)
135
°C
*VCC(BIAS) > VCC(OFF) always.
3
SANKEN ELECTRIC CO., LTD.
LC5540LF-DS
Single-Stage Power Factor Corrected
Off-Line Switching Regulators
LC5540LF
Series


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