LX1562IM Microsemi Analog Mixed Signal Group, LX1562IM Datasheet

LX1562IM

Manufacturer Part Number

LX1562IM

Description

IC PFC CONTROLLER 8DIP

Manufacturer

Microsemi Analog Mixed Signal Group

Datasheet

1.LX1562IM.pdf (25 pages)

Specifications of LX1562IM

Mode

Discontinuous Conduction (DCM)

Frequency - Switching

1.7MHz

Current - Startup

200µA

Voltage - Supply

11 V ~ 25 V

Operating Temperature

0°C ~ 100°C

Mounting Type

Through Hole

Package / Case

8-DIP

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX1562IM

Manufacturer:

LINFINEONINI

Quantity:

5 510

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

LX1562IM

Manufacturer:

SIEMENS

Quantity:

5 510

Company:

Meier Automation Equipment Co., Limited

Part Number:

LX1562IM

Manufacturer:

LINFINTY

Quantity:

20 000

Current page: 1 of 25
Download datasheet (431Kb)

Rev. 1.3a,2005-03-09

H E

family

controllers using a discontinuous mode of

operation.

electronic ballast applications.

improvements have been made over the

original SG3561A controller introduced by

Silicon General Semiconductor in 1992.

internal start-up circuit eliminating bulky

external

independent boost converter operation.

Addition of internal current sense blanking

eliminating the need for an external R/C

filter network.

error amplifier and multiplier outputs

improves turn on overshoot characteristics

and current limiting.

IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com

The LX1562 is a second-generation

New features include the addition of an

AC+

AC-

120V

N F I N I T E

Typical Application Of The LX1562 In An 80W Fluorescent

components

power

They are optimized for

Lamp Ballast With Active Power Factor Control

Internal clamping of the

Note: Thick trace on schematic shows high-frequency, high-current path in circuit.

O W E R

1µF

250V

Lead lengths must be minimized to avoid high-frequency noise problems.

factor

11861 W

100k

½W

while

2.2M

29k

P R O D U C T H I G H L I G H T

61T #22AWG

0 to 100

O F

Note: Available in Tape & Reel. Append the letters “TR” to the part number (i.e. LX5241CDB-

TR).

.01µF

450µH

ESTERN

R10

4.7M

D E S C R I P T I O N

(°C)

correction

22µF

allowing

I N

1N4935

N N O V A T I O N

Many

22k

VENUE

I N I T Y

MULT

RoHS Compliant / Pb-free

Transition D/C: 0503

, G

GND

prevent no load runaway conditions. And

finally, output drive clamps limiting power

MOSEFT gate drive independent of supply

voltage greatly enhance the products

practical application.

optimized

applications, it can also be used for power

factor correction in lower power (typical <

300W) AC-DC converters. One unique

feature of the device is encompassed by

the addition of internal logic circuitry to

detect zero crossing of the inductor current

thus maintaining the discontinuous current

mode of operation. This feature prevents

large current gaps from appearing thereby

minimizing

power factor correction.

ARDEN

LX1562IM

LX1563IM

COMP

Plastic DIP

8-Pin

Special circuitry has also been added to

Although the IC design has been

DET

OUT

INV

PACKAGE ORDER INFO

C.S.

I C R O E L E C T R O N I C S

1N4148

47Ω

R9 620k

ROVE

0.1µF

1/4W

, CA. 92841, 714-898-8121, F

distortion

for

1RF730

1.3Ω

MR854

1MΩ

E C O N D

11k

electronic

230V

BOOST

100µF

400V

- G

R O D U C T I O N

and

RoHS Compliant / Pb-free

E N E R A T I O N

Plastic SOIC

8-Pin

Transition D/C: 0440

LX1562IDM

LX1563IDM

enhancing

N C

ballast

: 714-893-2570

O W E R

Available Options Per Part #

LX1562

LX1563

Part #

A T A

Internal Start-Up Circuit

Internal Current Sense Blanking

Improved MicroPower Start-Up

Current (300µA maximum)

Clamped E.A. Output For Lower

Turn-On Overshoot

Multiplier Clamp Limits Maximum

Input Current

Internal Over Voltage Protection

Replaces Built-In C.S. Offset

PWM Output Clamp Limits

MOSFET Gate Drive Voltage

Increased UVLO Hysteresis

Reduces Start-Up Timing

(LX1562 Only)

Low Operating Current

Consumption

Internal 1.5% Reference

Totem Pole Output Stage

Automatic Current Limiting of

Boost Stage

Discontinuous Mode of

Operation With No Current Gaps

No Slope Compensation

Required

Electronic Ballast

Switching Power Supplies

A C T O R

K E Y F E A T U R E S

LX1562/1563

Start-Up

Voltage

13.1V

9.8V

H E E T

O N T R O L L E R

Hysteresis

Voltage

5.2V

2.1V

Related parts for LX1562IM

LX1562IM Summary of contents

Page 1

... COMP 0.1µF 11k INV 1% 4 C.S. GND 1/4W 1.3Ω PACKAGE ORDER INFO Plastic DIP M DM 8-Pin RoHS Compliant / Pb-free RoHS Compliant / Pb-free Transition D/C: 0503 LX1562IM LX1563IM CA. 92841, 714-898-8121, F VENUE ARDEN ROVE LX1562/1563 Internal Start-Up Circuit Internal Current Sense Blanking Improved MicroPower Start-Up Current (300µ ...