TDA7278 datasheet(1/15 Pages) STMICROELECTRONICS

部件名	TDA7278

功能描述	HIGH-EFFICIENCY CD ACTUATOR DRIVER

PDF	15 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

1 / 15 page

TDA7278

HIGH-EFFICIENCY CD ACTUATOR DRIVER

WIDE OPERATIVE SUPPLY RANGE (1.6 to

5V) LOW VOLTAGE OPERATION CAPABIL-

ITY

4 LOAD DRIVING VOLTAGES PWM REGU-

LATED (STEP DOWN FROM BATTERY)

LOW ON RESISTANCE H BRIDGES

(2 x 1.6

Ω 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 (0.4

Ω MAX) SWITCH

GENERAL ENABLE INPUT

ADJUSTABLE WATCH DOG AND DELAYED

POWER ON RESET FUNCTIONS

ADJUSTABLE COMPARATORS FOR BAT-

TERY LOW AND BATTERY EMPTY DETEC-

TION

March 1997

PQFP44

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GND

FLIN 1

VBAT

H OUT 2A

HIN 2

FLIN 2

VHIGH

OUT

H OUT 1B

H OUT 1A

HIN 1

GND

H OUT 3A

HIN 3

ENABLE

SYNC

H OUT 3B

HIN 4

H OUT 4A

FLIN 4

FLIN 3

VBAT

D94AU112A

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PIN CONNECTION

1/15

类似零件编号 - TDA7278

制造商	部件名	数据表	功能描述
STMicroelectronics	TDA7272A	193Kb / 16P	HIGH PERFORMANCE MOTOR SPEED REGULATOR Jun-1992
	TDA7273	124Kb / 9P	SINGLE CHIP STEREO CASSETTE PLAYBACK SYSTEM May-1997
	TDA7273D	124Kb / 9P	SINGLE CHIP STEREO CASSETTE PLAYBACK SYSTEM May-1997
	TDA7274	108Kb / 10P	LOW-VOLTAGE DC MOTOR SPEED CONTROLLER Nov-1988
	TDA7275A	65Kb / 7P	MOTOR SPEED REGULATOR May-1997

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