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LC5555LD 数据表(PDF) 3 Page - Sanken electric

部件名 LC5555LD
功能描述  Single-Stage Power Factor Corrected High Efficiency Non-Isolated Buck LED Driver
Download  11 Pages
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制造商  SANKEN [Sanken electric]
网页  http://www.sanken-ele.co.jp/en
标志 SANKEN - Sanken electric

LC5555LD 数据表(HTML) 3 Page - Sanken electric

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SANKEN ELECTRIC CO., LTD.
LC5550LD-DS
Single-Stage Power Factor Corrected
High Efficiency Non-Isolated Buck LED Driver
LC5550LD
Series
July 9, 2012
LC5550LD Electrical Characteristics of Control Part (MIC) Unless specifically noted, TA is 25°C, VCC is 18 V
Characteristic
Symbol
Test Conditions
Pins
Min.
Typ.
Max.
Unit
Power Supply Startup Operation
Operation Start Voltage
VCC(ON)
2 – 1
13.8
15.1
17.3
V
Operation Stop Voltage*
VCC(OFF)
2 – 1
8.4
9.4
10.7
V
Circuit Current in Operation
ICC(ON)
2 – 1
4.7
mA
Startup Circuit Operation Voltage
VSTARTUP
8 – 1
18
21
24
V
Startup Current
ICC(STARTUP) VCC = 13 V
2 – 1
−8.5
−4.0
−1.5
mA
Startup Current Threshold Biasing
Voltage*
VCC(BIAS)
2 – 1
9.5
11.0
12.5
V
Normal Operation
PWM Operation Frequency
fOSC
LC5555LD
8 – 1
60
72
84
kHz
LC5556LD
50
60
70
kHz
Maximum On-Time
tON(MAX)
LC5555LD
8 – 1
8.0
9.3
11.2
μs
LC5556LD
9.0
11.2
13.4
μs
COMP Pin Control Minimum Voltage
VCOMP(MIN)
4 – 1
0.30
0.55
0.80
V
Error Amplifier Reference Voltage
VSEN(TH)
6 – 1
–0.21
–0.2
–0.19
V
Error Amplifier Source Current
ISEN(SOURCE)
4 – 1
−36
−24
−12
μA
Error Amplifier Sink Current
ISEN(SINK)
4 – 1
12
24
36
μA
Leading Edge Blanking Time
tON(LEB)
3 – 1
600
ns
Quasi-Resonant Operation Threshold
Voltage-1
VBD(TH1)
3 – 1
0.14
0.24
0.34
V
Quasi-Resonant Operation Threshold
Voltage-2
VBD(TH2)
3 – 1
0.11
0.16
0.21
V
Protected Operation
OCP/BD Pin Overcurrent Protection
(OCP) Threshold Voltage
VOCP
3 – 1
−0.92
−0.8
−0.68
V
OCP.BD Pin Source Current
IOCP
3 – 1
−120
−40
−10
μA
OCP/BD Pin Overvoltage Protection
(OVP) Operation Voltage
VBD(OVP)
3 – 1
2.2
2.6
3.0
V
Overload Protection (OLP) Threshold
Voltage
VCOMP(OLP)
4 – 1
4.1
4.5
4.9
V
VCC Pin OVP Threshold Voltage
VCC(OVP)
2 – 1
28.5
31.5
34.0
V
Thermal Shutdown Activating
Temperature
TJ(TSD)
135
°C
*VCC(BIAS) > VCC(OFF) always.


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