LC5521D datasheet(10/40 Pages) SANKEN

Teilenummer	LC5521D

Bauteilbeschribung	LC5500 Series Single-Stage Power Factor Corrected Off-Line Switching Regulators

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Hersteller	SANKEN [Sanken electric]

Direct Link	http://www.sanken-ele.co.jp/en

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SANKEN ELECTRIC CO., LTD.

LC5500-AN, Rev.1.2

LC5513D ELECTRICAL CHARACTERISTICS (Controller Chip) TA = 25°C, VCC = 20 V, unless otherwise specified

Characteristic

Symbol

Test Conditions

Pins

Min.

Typ.

Max.

Unit

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

Operating Current

ICC(ON)

2 – 1

–

3.7

mA

Startup Circuit Operation Voltage

VSTARTUP

8 – 1

42

57

72

V

Startup Current

ICC(STARTUP) VCC = 13 V

2 – 1

−5.5

−3.0

−1.0

mA

Startup Current Threshold Biasing

Voltage-1*

VCC(BIAS)1

2 – 1

9.5

11.0

12.5

V

Startup Current Threshold Biasing

Voltage-2

VCC(BIAS)2

2 – 1

14.4

16.6

18.8

V

Normal Operation

PWM Operation Frequency

fOSC

8 – 1

11.0

14.0

18.0

kHz

Maximum On-Width

tON(MAX)

8 – 1

30.0

40.0

50.0

μs

COMP Pin Control Voltage

Lower Limit

VCOMP(MIN)

4 – 1

0.55

0.90

1.25

V

Error Amplifier Reference Voltage

VSEN(th)

6 – 1

0.27

0.30

0.33

V

Error Amplifier Source Current

ISEN(SOURCE)

4 – 1

−11

−7

−3

μA

Error Amplifier Sink Current

ISEN(SINK)

4 – 1

3

7

11

μA

Leading Edge Blanking Time

tON(LEB)

3 – 1

−

500

−

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

0.12

0.17

0.22

V

Protection Operation

OCP Pin Overcurrent Protection

(OCP) Threshold Voltage

VOCP

3 – 1

−0.54

−0.60

−0.66

V

OCP Pin Source Current

IOCP

3 – 1

−120

−40

−10

μA

OCP Pin Overvoltage Protection

(OVP) Threshold Voltage

VBD(OVP)

3 – 1

2.2

2.6

3.0

V

Overload Protection (OLP) Threshold

Voltage-1

VCOMP(OLP)1

4 – 1

5.0

5.5

6.0

V

Overload Protection (OLP) Threshold

Voltage-2

VCOMP(OLP)2

4 – 1

4.1

4.5

4.9

V

ISENSE Pin OVP Threshold Voltage

VISEN(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)1 > VCC(OFF) always.

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