LB8649W

Ordering number : EN7894B LB8649W Monolithic Digital IC Digital Camera Motor Driver http://onsemi.com Overview The LB8649W integrates the actuator drivers required by digital cameras on a single chip. Features Integrates the actuator drivers required by digital cameras on a single chip. 1. Shutter drive ("SH") /AE system constant current output stepping motor or two VCM drivers 2. Zoom system constant voltage output stepping motor or DC motor driver (forward/reverse/brake) 3. AF system constant voltage output stepping motor driver Zero standby mode current consumption (allows batteries to be connected directly) Four independent power supply systems (SH/AE, AF, zoom, and input logic systems) Low-voltage drive (allows operation from two NiMH batteries) Built-in thermal protection circuit Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Maximum supply voltage VB max VB power supply Maximum input voltage Maximum output voltage Maximum output current Allowable power dissipation VCC max VIN max VOUT max IO max Pd max VCC power supply Per channel When mounted on a circuit board *1 Operating temperature Topr Storage temperature Tstg *1 Specified circuit board : 76.1 × 114.3 × 1.6mm3, glass epoxy. Ratings 10.5 10.5 10.5 10.5 600 1.0 -20 to +80 -55 to +150 Unit V V V V mA W °C °C Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Ope...