IL34262D IKSEMICON [IK Semicon Co., Ltd], IL34262D Datasheet

IL34262D

Manufacturer Part Number

IL34262D

Description

Power Factor Controllers

Manufacturer

IKSEMICON [IK Semicon Co., Ltd]

Datasheet

1.IL34262D.pdf (9 pages)

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Power Factor Controllers

designed for use as a preconverter in electronic ballast and in

off-line power converter applications.

for stand-alone applications, a one quadrant multiplier for near

unity power factor, zero current detector to ensure critical

conduction operation, transconductance error amplifier, quick

start circuit for enhanced startup, trimmed internal bandgap

reference, current sensing comparator, and a totem pole output

ideally suited for driving a power MOSFET.

overvoltage comparator to eliminate runaway output voltage

due to load removal, input undervoltage lockout with

hysteresis, cycle-by-cycle current limiting, multiplier output

clamp that limits maximum peak switch current, an RS latch

for single pulse metering, and a drive output high state clamp

for MOSFET gate protection. These devices are available in

dual-in-line and surface mount plastic packages.

The are active power factor controllers specifically

These integrated circuits feature an internal startup timer

Also included are protective features consisting of an

• Overvoltage Comparator Eliminates Runaway

• Internal Startup Timer

• One Quadrant Multiplier

• Zero Current Detector

• Trimmed 2% Internal Bandgap Reference

• Totem Pole Output with High State Clamp

• Undervoltage Lockout with 6.0 V of Hysteresis

• Low Startup and Operating Current

• Supersedes Functionality of SG3561, TDA4817

and MC34262

Output Voltage

PIN CONNECTIONS

ORDERING INFORMATION

TECHNICAL DATA

= 0° to 85° C for all packages.

IL34262N Plastic

IL34262D SOIC

IL34262

Related parts for IL34262D

IL34262D Summary of contents

Page 1

... Totem Pole Output with High State Clamp • Undervoltage Lockout with 6 Hysteresis • Low Startup and Operating Current • Supersedes Functionality of SG3561, TDA4817 and MC34262 TECHNICAL DATA IL34262 ORDERING INFORMATION IL34262N Plastic IL34262D SOIC T = 0° to 85° C for all packages. A PIN CONNECTIONS ...

Page 2

MAXIMUM RATINGS Rating Total Power Supply and Zener Current Output Current, Source or Sink Current Sense, Multiplier, and Voltage Feedback Inputs Zero Current Detect Input High State Forward Current Low State Reverse Current Power Dissipation and Thermal Characteristics N Suffix, ...

Page 3

Characteristic OVERVOLTAGE COMPARATOR Voltage Feedback Input Threshold MULTIPLIER Input Bias Current, Pin VFB Input Threshold, Pin 2 Dynamic Input Voltage Range Multiplier Input (Pin 3) Compensation (Pin 2) Multiplier Gain (Vpin 3 = 0.5 V, ...

Page 4

Characteristic UNDERVOLTAGE LOCKOUT Startup Threshold ( Increasing Minimum Operating Voltage After Turn-On (V Decreasing) Hysteresis TOTAL DEVICE Power Supply Current Startup (Vcc = 7.0 V) Operating Dynamic Operating (50 kHz, C Power Supply Zener Voltage (Ice = 25 ...

Page 5

APPLICATION INFORMATION The application circuits shown in Figures 19, 20 and 21 reveal that few external components are required for a complete power factor preconverter. Each circuit is a peak detecting current-mode boost converter that operates in critical conduction mode ...

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IL34262D IKSEMICON [IK Semicon Co., Ltd], IL34262D Datasheet

IL34262D

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IL34262D Summary of contents

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