Overview: ICs for CD/CD-ROM Player AN8387S
2-channel Linear Driver
s Overview
The AN8387S is an IC which incorporates 2 circuits of BTL drivers for driving various DC motors such as actuators (focus, tracking traverse), spindles, and loading of the CD players.
(0.4) 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 Unit : mm 0.4±0.25 PVCC=1.5V to 9V (maximun drive current : 500mA) Quiescent current (current consumption at no input) ; 3.2mA • Provided with power control pin • Provided with driver output voltage limiting pin • Built-in thermal protective circuit (operating temperature : 160°C typ.) 20-Lead SOP Package (SOP020-P-0300A) s Applications
Linear driving of the DC motors and actuators of the CD players. CD radio cassette tape recorders, and so on. s Block Diagram
8 9 4 3 2 GND 7 VREF SW + – Thermal Shutdown Absolute Value Base Current Control Base Power Control Absolute Value 10kΩ + – 1kΩ 0.2 (0.4) 5.5±0.3 7.6±0.3 0.9±0.25 + 0.1 – 0.05 a 11 BTL BTL 20 b c P.GND 14 13 : Pin1, Pin10 a) VCC b) P.VCC : Pin12, Pin19 c) PGND : Pin5, Pin6, Pin15, Pin16 17 18 2.05±0.2 VCC P.VCC • 0.1±0.1 0.9±0.25 • Built-in 2 circuits of voltage driven BTL drivers 1.
