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廬

L6561

POWER FACTOR CORRECTOR

VERY PRECISE ADJUSTABLE OUTPUT

OVERVOLTAGE PROTECTION

MICROPOWERSTART-UPCURRENT (50碌A(chǔ)TYP.)

VERY LOW OPERATING SUPPLY CURRENT

(4mA TYP.)

INTERNAL START-UP TIMER

CURRENT SENSE FILTER ON CHIP

DISABLE FUNCTION

1% PRECISION (@ T

j

= 25擄C) INTERNAL

REFERENCE VOLTAGE

TRANSITION MODE OPERATION

TOTEM POLE OUTPUT CURRENT:

鹵400mA

DIP8/SO8 PACKAGES

DESCRIPTION

L6561 is the improved version of the L6560

standard Power Factor Corrector. Fully compat-

ible with the standard version, it has a superior

performant multiplier making the device capable

of working in wide input voltage range applica-

tions (from 85V to 265V) with an excellent THD.

Furthermore the start up current has been re-

duced at few tens of

碌A(chǔ)

and a disable function

has been implemented on the ZCD pin, guaran-

teeing lower current consumption in stand by

mode.

BLOCK DIAGRAM

COMP

2

INV

1

2.5V

-

+

Minidip

SO8

ORDERING NUMBERS:

L6561

(Minidip)

L6561D

(SO8)

Realised in mixed BCD technology, the chip gives

the following benefits:

- micro power start up current

- 1% precision internal reference voltage

(Tj = 25擄C)

- Soft Output Over Voltage Protection

- no need for external low pass filter onthe current

sense

- verylow operating quiescent current minimises

power dissipation

The totem pole output stage is capable of driving

a Power MOS or IGBT with source and sink cur-

rents of +/- 400mA. The device is operating in

transition mode and it is optimised for Electronic

Lamp Ballast application, AC-DC adaptors and

SMPS.

MULT

3

4

40K

CS

MULTIPLIER

VOLTAGE

REGULATOR

OVER-VOLTAGE

DETECTION

+

-

5pF

V

CC

8

V

CC

INTERNAL

SUPPLY 7V

R1

+

R2

-

V

REF2

2.3V

1.8V

-

+

ZERO CURRENT

DETECTOR

STARTER

UVLO

R

S

DRIVER

Q

7

20V

GD

DISABLE

6

GND

5

ZCD

D97IN547B

April 1999

1/11

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L6561D相關(guān)型號(hào)PDF文件下載

• 型號(hào)
  版本
  描述
  廠商
  下載
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  英文版
  POWER FACTOR CORRECTOR
  
  L6560
• L6560
  英文版
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• L6561
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• L6561
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• L6562
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• L6562
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• L6562
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• L6562
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• L6563
  英文版
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  ST
  L6563
• L6565
  英文版
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• L6565
  英文版
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  L6565
• L6565
  英文版
  The best light source is supported by the best electrode tec...
  HAMAMATSU ...
  L6565
• L6565
  英文版
  QUASI-RESONANT SMPS CONTROLLER
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  L6565
• L6566
  英文版
  The best light source is supported by the best electrode tec...
  HAMAMATSU
  L6566
• L6566
  英文版
  The best light source is supported by the best electrode tec...
  HAMAMATSU ...
  L6566
• L6567
  英文版
  HIGH VOLTAGE DRIVER FOR CFL
  
  L6567
• L6567
  英文版
  HIGH VOLTAGE DRIVER FOR CFL
  STMICROELECTRON...
  L6567
• L6569
  英文版
  HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
  
  L6569
• L6569
  英文版
  HIGH VOLTAGE HALF BRIDGE DRIVER WITH OSCILLATOR
  STMICROELECTRON...
  L6569

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