FL7930BMX datasheet(4/25 Pages) ONSEMI

Part #	FL7930BMX

Description	Single-Stage Flyback and Boundary-Mode PFC Controller for Lighting

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Manufacturer	ONSEMI [ON Semiconductor]

Direct Link	http://www.onsemi.com

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FL7930B

• Rev. 1.0.4

3

Internal Block Diagram

VCC

ZCD

VTH(ZCD)

VCC

OUT

+

-

S

Q

R

Q

+

-

INV 1

5

COMP 3

Clamp

Circuit

+

-

VCS_LIM

40k

W

8pF

4

CS

0.45

0.35

disable

2.675

2.5

disable

+

-

VZ

+

-

VTH(S/S)

12

8.5

VO(MAX)

VCC

2.5VREF

Internal

Bias

VBIAS

VREF

Gate

Driver

Restart

Tmer

7

8

6

GND

+

-

INV_open

OVP

OVP 2

reset

H:open

Thermal

Shutdown

fMAX

Limit

VREF

Overshoot-less

Control

VREF

Stair

Step

THD

Optimized

Sawtooth

Generator

VIN Absent

VCC

2.88

2.5

disable

+

-

VOVP,LH

VREF

Control Range

Compensation

Figure 3.

Functional Block Diagram

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FL7930BMX Datasheet(PDF) 4 Page - ON Semiconductor

FL7930BMX Datasheet(HTML) 4 Page - ON Semiconductor

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