DESCRIPTION
SC2612 is available with fixed switching frequencies of 600kHz (SC2612A) and 200kHz (SC2612C). Short circuit protection is disabled during start-up to allow the output capacitors time to fully charge. SC2612A/C FEATURES
u u u u u u Operating frequency of 600kHz or 200kHz Input supply of 3V to 8V 0.5A Drive current for up to 10A output Output voltages down to 0.8V Overcurrent protection and soft start MSOP-8 package APPLICATIONS
u Graphics IC Power supplies u Embedded, low cost, high efficiency converters Typical Application Circuit 12V IN 3.3V IN R1 C10 C1 C2 U2 4 1 2 C5 C7 R9 C9 R10 5 VCC BST 8 7 6 3 R2 R3 Q2 L1 1.5V OUT Q3 R6 COMP DH SS/EN GND DL FB SC2612 C3 August 18, 2004 1 SC2612A/C POWER MANAGEMENT ABSOLUTE MAXIMUM RATINGS
Parameter Input Supply Voltage Boost Pin Voltage DL to GND (2) Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the ELECTRICAL CHARACTERISTICS
section is not implied.
Semtech Corporation
