APW7071 Datasheet | Anpec Electronics Coropration

Features - 2.4V to 6V Input Voltage Range General Description The APW7071 is a high frequency step up DC/DC converter in a small 6 leads SOT-23 package specially designed to drive white LEDs with a constant current. The device can drive up to 4 LEDS in a 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 backlighting. - 400m A, Internal Switch Current - Up to 1MHz Switching Frequency .. - - - - - - - - 70µA Typical No Load Quiescent Current 0.1µA Typical Shutdown Current Internal Soft-start Available in a Tiny 6-Pin SOT-23 Package Up to 87% efficiency Operating Output Capacitor down to 0.1µF Over Voltage Protection included Lead Free Available (Ro HS pliant) Package Pin Out V IN OVP SHDN Applications - - - - - Cellar Phones White LED Back Light PDAs, Handheld puters Digital Still Cameras MP3 Players GPS Receivers 6 1 5 2 4 3 SW GND FB SOT-23-6 (Top View) APW7071 Ordering and Marking Information Lead Free Code Handling Code Temp. Range Package Code Package Code C : SOT-23-6 Operating Junction Temp. Range E : -40 to 85°C Handling Code TU : Tube TR : Tape & Reel Lead Free Code L : Lead Free Device Blank : Original Device XXXXX - Date Code APW7071 C : W71X Notes: ANPEC lead-free products contain molding pounds/die attach materials and 100% matte in plate termination finish; which are fully pliant with Ro HS and patible with both Sn Pb and lead-free soldiering operations. 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 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. Rev. A.1 - Feb., 2006 1 .anpec..tw Block Diagram OVP(5) VIN(6) .. Under...