L4985 datasheet(6/27 Pages) STMICROELECTRONICS

No. de pieza	L4985

Descripción Electrónicos	CCM PFC controller with high voltage startupv

PDF	27 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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Electrical data

3.1

Absolute maximum ratings

Table 2. Absolute maximum ratings

Symbol

Parameter

Value

Unit

VCC

Supply voltage

-0.3 to 30

ICC

Maximum supply current

0 to 25

Gate driver

-0.3 to VCC

Current sense

-10 to 3.6

Input feedback (IFB < 1 mA)

-0.3 to self-limited

COMP

OTA output

-0.3 to 6

Line voltage input (referred to GND)

-1 to 800

Table 3. Recommended operating conditions.

Symbol

Parameter

Min.

Max.

Unit

Remarks

VCC

IC supply voltage

-0.3

24.5

Internal clamp at 24.5 V min.

Current sense input

-10

3.3

Feedback input

-0.3

3.0

Internal clamp at 3 V min.

COMP

OTA output

-0.3

5.3

Values referred to an externally forced

condition

High voltage input

-1

600

3.2

Thermal data

Table 4. Thermal data

Symbol

Parameter

Max. value

Unit

Rth j-amb

Thermal resistance, junction-to-ambient

150

°C/W

Ptot

Power dissipation @Tamb = 50 °C

0.65

Junction temperature operating range

-40 to 150

°C

Tstg

Storage temperature

-55 to 150

°C

L4985

Electrical data

DS13769 - Rev 3

page 6/27

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