LC5540LD 查看數據表（PDF） - Sanken Electric co.,ltd.
零件编号
产品描述 (功能)
比赛名单
LC5540LD Datasheet PDF : 11 Pages
| |||
LC5540LD
Series
Single-Stage Power Factor Corrected
Off-Line Switching Regulators
Electrical Characteristics of Control Part (MIC) TA = 25°C, VCC = 20 V, unless otherwise specified
Characteristic
Symbol
Test Conditions
Pins Min.
Power Supply Startup Operation
Operation Start Voltage
Operation Stop Voltage*
Circuit Current in Operation
Startup Circuit Operation Voltage
Startup Current
Startup Current Threshold Biasing
Voltage*
VCC(ON)
VCC(OFF)
ICC(ON)
VSTARTUP
ICC(STARTUP)
VCC(BIAS)
VCC = 13 V
2 – 1 13.8
2 – 1 8.4
2–1
–
8 – 1 18
2 – 1 −8.5
2 – 1 9.5
Normal Operation
LC5545LD
60
PWM Operation Frequency
fOSC
LC5546LD
LC5548LD
8 – 1 50
60
LC5545LD
8.0
Maximum On-Time
tON(MAX)
LC5546LD
LC5548LD
8 – 1 9.0
8.0
FB Pin Control Minimum Voltage
Maximum Feedback Current
Leading Edge Blanking Time
Quasi-Resonant Operation Threshold
Voltage-1
VFB(MIN)
IFB(MAX)
tON(LEB)
VBD(TH1)
4 – 1 0.50
4 – 1 –40
3–1
−
3 – 1 0.14
Quasi-Resonant Operation Threshold
Voltage-2
VBD(TH2)
3 – 1 0.11
Protected Operation
OCP Pin Overcurrent Protection
(OCP) Threshold Voltage
VOCP
3 – 1 −0.66
OCP Pin Source Current
OCP Pin Overvoltage Protection
(OVP) Operation Voltage
IOCP
VBD(OVP)
3–1
3–1
−120
2.2
Overload Protection (OLP) Threshold
Voltage
VFB(OLP)
4 – 1 4.1
OVP Pin OVP Threshold Voltage
VCC Pin OVP Threshold Voltage
Thermal Shutdown Activating
Temperature
VOVP(OVP)
VCC(OVP)
TJ(TSD)
6 – 1 1.6
2 – 1 28.5
–
135
*VCC(BIAS) > VCC(OFF) always.
Typ.
15.1
9.4
–
21
−4.0
11.0
72
60
72
9.3
11.2
9.3
0.85
–25
600
0.24
0.16
−0.60
−40
2.6
4.5
2.0
31.5
–
Max.
17.3
10.7
4.7
24
−1.5
12.5
84
70
84
11.2
13.4
11.2
1.20
–10
−
0.34
0.21
−0.54
−10
3.0
4.9
2.4
34.0
–
Unit
V
V
mA
V
mA
V
kHz
kHz
kHz
μs
μs
μs
V
μA
ns
V
V
V
μA
V
V
V
V
°C
LC5540LD-DS
3
SANKEN ELECTRIC CO., LTD.
Share Link: 