Diodes AP3033 Manuel d'utilisateur télécharger pdf

Preliminary Datasheet

Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

WHITE LED STEP-UP CONVERTER AP3033

General Description

The AP3033 is an inductor-based DC/DC boost con-

verter designed to drive LED arrays. 1.3A switching

current allows AP3033 to be used in different 7' to 10'

LCD panel backlights (3S8P LED arrays typically).

A constant frequency 1MHz PWM control scheme is

employed in this IC, which means tiny external com-

ponents can be used. Specifically, 1mm tall 10

µH

inductor and 10

µF output capacitor for the typical

application is sufficient.

The over output voltage protection is equipped in

AP3033, which protects the IC under open load condi-

tion. The AP3033 includes UVLO, soft-start, standby

mode, current limit and OTSD to protect the circuit.

The AP3033 is available in standard TSOT-23-6 pack-

age.

Features

· Up to 92% Efficiency

=9V, I

OUT

=160mA)

· Up to 88% Efficiency

=5V, I

OUT

=160mA)

· Fast 1MHz Switching Frequency

· Wide Input Voltage Range: 3V to 16V

· Low 200mV Feedback Voltage

· Output Over Voltage Protection

· Cycle by Cycle Current Limit: 1.3A

· High Frequency PWM Dimming

· Built-in Soft-start

· Built-in Thermal Shutdown Function

· Under Voltage Lockout

Applications

· 7' to 10' LCD Panels

· Digital Photo Frame

· GPS Receiver

· Netbook

· PDVD

Figure 1. Package Type of AP3033

TSOT-23-6

1 2 3 4 5 6 ... 12 13

Résumé du contenu

Page 1

Preliminary Datasheet1Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 2 - Pin Description

Preliminary Datasheet10Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 3 - Ordering Information

Preliminary Datasheet11Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 4 - Parameter Symbol Value Unit

Preliminary Datasheet12Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 5 - Electrical Characteristics

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Page 6 - Case Temperature (

Preliminary Datasheet2Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 7

Preliminary Datasheet3Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 8

Preliminary Datasheet4Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 9 - ×8 LEDs, I

Preliminary Datasheet5Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 10 - Voltage

Preliminary Datasheet6Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 11 - Typical Application

Preliminary Datasheet7Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 12 - TSOT-23-6 Unit: mm(inch)

Preliminary Datasheet8Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

Page 13

Preliminary Datasheet9Jan. 2010 Rev. 1. 0 BCD Semiconductor Manufacturing LimitedWHITE LED STEP-UP CONVERTER

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Diodes AP3033 Manuel d'utilisateur

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