Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- DESCRIPTION
- ABSOLUTE MAXIMUM RATINGS
- RECOMMENDED OPERATING CONDITIONS
- ELECTRICAL CHARACTERISTICS
- TYPICAL PERFORMANCE CHARACTERISTICS
- OPERATION
- CURRENT REGULATOR OPERATION
- PROTECTION
- DESIGN PROCEDURE
- SETTING LED CURRENT CONTROL
- FIXED LED CURRENT
- ADJUSTABLE LED CURRENT
- INPUT CAPACITOR SELECTION
- RECOMMENDED OPERATING FREQUENCY AND ON TIME "TIMEON" CALCULATION
- TIMING COMPONENTS (RON and CON)
- INDUCTOR SELECTION
- POWER FET SELECTION
- DIM FET SELECTION
- BOOTSTRAP CAPACITORS
- SOFT-START CAPACITOR
- ENABLE OPERATION
- PWM DIM OPERATION
- LAYOUT CONSIDERATIONS
- APPLICATION INFORMATION
- Revision History
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device Package
Type
Package
Drawing
Pins SPQ Reel
Diameter
(mm)
Reel
Width
W1 (mm)
A0
(mm)
B0
(mm)
K0
(mm)
P1
(mm)
W
(mm)
Pin1
Quadrant
LM3434SQ/NOPB WQFN RTW 24 1000 178.0 12.4 4.3 4.3 1.3 8.0 12.0 Q1
LM3434SQX/NOPB WQFN RTW 24 4500 330.0 12.4 4.3 4.3 1.3 8.0 12.0 Q1
PACKAGE MATERIALS INFORMATION
www.ti.com 8-May-2013
Pack Materials-Page 1