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TDA7278

Part Number TDA7278
Manufacturer ST Microelectronics
Description HIGH-EFFICIENCY CD ACTUATOR DRIVER
Published Apr 23, 2005
Detailed Description TDA7278 HIGH-EFFICIENCY CD ACTUATOR DRIVER WIDE OPERATIVE SUPPLY RANGE (1.6 to 5V) LOW VOLTAGE OPERATION CAPABILITY 4 LO...
Datasheet TDA7278





Overview
TDA7278 HIGH-EFFICIENCY CD ACTUATOR DRIVER WIDE OPERATIVE SUPPLY RANGE (1.
6 to 5V) LOW VOLTAGE OPERATION CAPABILITY 4 LOAD DRIVING VOLTAGES PWM REGULATED (STEP DOWN FROM BATTERY) LOW ON RESISTANCE H BRIDGES (2 x 1.
6Ω MAX + 2 x 2.
5Ω MAX) FOR: – FOCUS AND TRACKING ACTUATORS – SLEDGE AND 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 PQFP44 ADJUSTABLE COMPARATORS FOR BATTERY LOW AND BATTERY EMPTY DETECTION PIN CONNECTION H OUT 2B H OUT 4B 34 33 32 31 30 29 28 27 26 25 24 23 12 SSCAP 13 INP 14 IRC 15 VCPU 16 O...






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