Part Number
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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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