TDA7278中文资料意法半导体数据手册PDF规格书

■ WIDE OPERATIVE SUPPLY RANGE (1.6 to 5V) LOW VOLTAGE OPERATION CAPABILITY

■ 4 LOAD DRIVING VOLTAGES PWM REGU

■ LATED (STEP DOWN FROM BATTERY)

■ LOW ON RESISTANCE H BRIDGES (2 x 1.6Ω MAX + 2 x 2.5Ω MAX) FOR:

– FOCUS AND TRACKING ACTUATORS

– SLEDGEAND SPINDLE MOTORS

■ SYNCHRONIZABLE SAWTOOTH OSCILLATOR

■ CONFIGURABLE DC/DC CONVERTER FOR ADJUSTABLE MAIN POWER SUPPLY, WITH LOW ON RESISTANCE (0.4Ω MAX) SWITCH

■ GENERAL ENABLE INPUT

■ ADJUSTABLE WATCH DOG AND DELAYED POWER ON RESET FUNCTIONS

■ ADJUSTABLE COMPARATORS FOR BATTERY LOW AND BATTERY EMPTY DETECTION