142

ICs

1-3 Lighting ICs

■Applications

• LED light bulbs

• LED lighting equipment

Ratings

Parameter

Symbol

LC5205D

LC5210D

Unit

min.

max.

min.

max.

Main Supply Voltage

25

400

25

400

V

Output Current (Average)

0.4

0.8

A

REF Input Voltage

0.8

0.8

V

Case temperature*

105

105

℃

■Recommended Operating Conditions

*: At the center of the marking (when there is no fin)

Parameter

Symbol

Ratings

Unit

Conditions

LC5205D

LC5210D

Main Supply Voltage

450

V

Output MOSFET Breakdown Voltage

450

V

0.5

1.0

A

Excluding when tw is less than 1

µs

REF Input Voltage

V

Sense Voltage

–0.3 to + 4

V

Excluding when tw is less than 1

µs

1.73

W

When using a Sanken evaluation board

Junction Temperature

150

℃

Thermal Resistance

72

℃/W When using a Sanken evaluation board

60

Operating Ambient Temperature

–40 to + 105

℃

Storage Temperature

–40 to + 150

℃

*1: The output current value may be limited depending on the duty ratio, ambient temperature, and heating condi-

Ratings

Parameter

Symbol

LC5205D

LC5210D

Unit

min.

typ.

max.

min.

typ.

max.

2.0

2.0

mA

Main Supply Current

Conditions

During operation

During operation

0.8

1.2

0.8

1.2

mA

Conditions

When the output is off

When the output is off

Output MOSFET

450

450

V

Breakdown Voltage

Conditions

Output MOSFET

3.5

1.7

Ω

ON Resistance

Conditions

Output MOSFET Diode

0.8

0.88

V

Forward Voltage

Conditions

Reg Output Voltage

11.5

12.0

12.5

11.5

12.0

12.5

V

Conditions

Reg Maximum Output Current

22

mA

Maximum Input

fclk

200

200

kHz

Response Frequency

Conditions

duty=50%

duty=50%

REF Input Voltage

01

01

V

REF Input Current

±10

±10

µA

Sense Voltage

mV

Sense Input Current

±10

±10

µA

Overcurrent

33

V

Sense Voltage

Conditions

At the Sen pin

At the Sen pin

UVLO Release

14

14

V

Voltage

Conditions

UVLO Operation

13

13

V

Voltage

Conditions

TSD Operating

150

150

℃

Temperature

Conditions

Control IC chip temperature

Control IC chip temperature

TSD Temperature

55

55

℃

Hysteresis

Conditions

Control IC chip temperature

Control IC chip temperature

Blanking Time

400

400

ns

■Electrical Characteristics

■Features

• AC rectification voltage can be applied directly

(LC5205D) and 1 A (LC5210D)

• Self-excitation PWM current control method

• Undervoltage lockout (UVLO)

• Overcurrent protection (OCP)

• Thermal shutdown (TSD)

• DIP-8 type mold package

• Supports driving without input electrolytic

capacitor

• Power factor correction (PFC) application circuit

•Triac dimmer control application circuit

■Absolute Maximum Ratings

1-3-1 LED Lighting ICs