SA5624

SA5624 ACTUATOR DRIVER WITH CURRENT FEEDBACK FOR CD – ROM / DVD DESCRIPTION The SA5624 is a four-channel BTL driver IC. Two of them can drive DC motors and two can drive coils, such as focus and tracking actuators of a CD-ROM/DVD-ROM/DVD-PLAYER system, with current feedback. FEATURES * 2 channels of DC motor BTL driver * 2 channels of BTL driver for coils with current feedback * Build-in thermal shutdown circuit * Operating voltage:4.3V~13.2V HSOP - 28-375-0.8 APPLICATIONS ORDERING INFORMATION * CD-ROM, DVD Part No. SA5624 Package HSOP-28-375-0.8 BLOCK DIAGRAM www.DataSheet4U.com HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.1 2005.06.21 Page 1 of 7 SA5624 ABSOLUTE MAXIMUM RATING (Tamb=25°C) Characteristics Power Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC, PVCC1/2 PD Topr Tstg Value 13.5 1.7* -35~+85 -55~+150 Unit V W °C °C *When mounted on a 70mm X 70mm X 1.6mm glass epoxy board. Reduced by 13.6mW for each increase in Tamb of 1 °C over 25°C ELECTRICAL CHARACTERISTICS (Unless other specified, Tamb=25°C, VCC=12V, PVCC1=PVCC2=5V, BIAS=2.5V, RL=8Ω, Rd=0.5Ω, C= 100pF) Characteristics Symbol VCC Power Supply Voltage PVCC1 PVCC2 Quiescent Current Actuator Driver Output Offset Current Maximum Output Amplitude Gain Loading Driver Maximum Output Voltage www.DataSheet4U.com Test conditions Min. 4.3 4.3 4.3 -- Typ. ---18 Max. 13.2 VCC VCC 27 Unit V ICC mA IOOF VOM GM VIN=BIAS ±1.5V VIN=BIAS ± 0.2V -6 ...