DESCRIPTION
An adjustable high frequency of 100kHz to 600kHz provides for fast dynamic response and instantaneous duty cycle adjustment as the input varies, making the device ideal for CPE applications where the input is a wall plug power. Low shutdown current also makes the this device an excellent choice for portable applications where conserving battery life is of prime concern. SC4520 FEATURES
Wide operating voltage range: 4.4V to 24V Integrated 3 Amp switch 100kHz to 600kHz adjustable frequency operation Current mode control Precision enable threshold SO-8 EDP package. Lead-free product, fully WEEE and RoHS compliant APPLICATIONS
XDSL modems CPE equipment DC-DC point of load applications Portable equipment Digtial consumer electronics Typical Application Circuit D1 1 VIN Enable C3 2 5 8 BST IN EN FSET SW 3 6 C1 L1 VOUT SC4520 GND 4 FB COMP R1 7 D2 R2 C2 Rosc C4 R3 Revision: December 13, 2006 1 SC4520 POWER MANAGEMENT ABSOLUTE MAXIMUM RATINGS
Exceeding the specifications below may result in permanent damage to the device, or device malfunction.
Semtech Corporation
