LC556XLD datasheet(3/10 Pages) SANKEN

Il numero della parte	LC556XLD

Spiegazioni elettronici	Single-Stage Power Factor Corrected Off-Line Switching Regulator ICs

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SANKEN ELECTRIC CO., LTD.

LC5560LD-DS

Single-Stage Power Factor Corrected

Off-Line Switching Regulator ICs

LC5560LD

Series

November 26, 2012

Electrical Characteristics of Control Part Unless specifically noted, TA is 25°C, VCC is 20 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

LC5565LD

8 – 1

60

72

84

kHz

LC5566LD

50

60

70

kHz

Maximum On-Time

tON(MAX)

LC5565LD

8 – 1

8.0

9.3

11.2

μs

LC5566LD

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

0.312

0.335

0.358

V

Error Amplifier Source Current

ISEN(SOURCE)

4 – 1

−22

−14

−6

μA

Error Amplifier Sink Current

ISEN(SINK)

4 – 1

6

14

22

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

Protection Operation

OCP Pin Overcurrent Protection

(OCP) Threshold Voltage

VOCP

3 – 1

−0.66

−0.60

−0.54

V

OCP Pin Source Current

IOCP

3 – 1

−120

−40

−10

μA

OCP 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

ISENSE Pin OVP Threshold Voltage

VSEN(OVP)

6 – 1

1.6

2.0

2.4

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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