APW7071CI-TRL Ver la hoja de datos (PDF) - Anpec Electronics
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APW7071CI-TRL Datasheet PDF : 15 Pages
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APW7071
Step-Up Converter for 4 Series White LEDs Driver
Features
General Description
• 2.5 V to 6V Input Voltage Range
• 400mA Internal Switch Current
• Up to 1MHz Switching Frequency
• 70µA Typical No Load Quiescent Current
• 0.1µA Typical Shutdown Current
• Internal Soft-Start
• Up to 87% Efficiency
• Operating Output Capacitor Down to 0.1µF
• Over Voltage Protection Included
• Lead Free and Green Devices Available
(RoHS Compliant)
Applications
• Cellar Phones White LED Back Light
• PDAs, Handheld Computers
• Digital Still Cameras
• MP3 Players
• GPS Receivers
The APW7071 is a high frequency step-up DC/DC con-
verter in a small 6-lead SOT-23 package specially designed
to drive white LEDs with a constant current. The device
can drive up to 4 LEDs in series from one Li-Ion cell. The
APW7071 is ideal for LCD panels requiring low current
and high efficiency as well as white LED applications for
cellular phone back-lighting.
Pin Configuration
VIN OVP SHDN
6 54
123
SW GND FB
SOT-23-6 (Top View)
Ordering and Marking Information
APW7071
Assembly Material
Handling Code
Temperature Range
Package Code
Package Code
C : SOT-23-6
Operating Ambient Temperature Range
I : -40 to 85oC
Handling Code
TR : Tape & Reel
Assembly Material
L : Lead Free Device G : Halogen and Lead Free Device
APW7071C :
W71X
X - Date Code
Note: ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish; which
are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-020C for
MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and halogen
free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed 1500ppm by
weight).
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
1
Rev. A.3 - Jul., 2008
www.anpec.com.tw
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