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參數(shù)資料
| 型號： | TDA7278 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | High-Efficiency CD Actuator Driver(高效率CD驅(qū)動器) |
| 中文描述： | 高效率的CD驅(qū)動器（高效率光盤驅(qū)動器） |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 141K |
| 代理商： | TDA7278 |
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
MAX + 2 x 2.5
MAX) FOR:
– FOCUSAND TRACKING ACTUATORS
– SLEDGEAND SPINDLEMOTORS
SYNCHRONIZABLESAWTOOTHOSCILLATOR
CONFIGURABLE DC/DC CONVERTER FOR
ADJUSTABLE MAIN POWER SUPPLY, WITH
LOW ON RESISTANCE(0.4
MAX) SWITCH
GENERALENABLE INPUT
ADJUSTABLE WATCH DOG AND DELAYED
POWERON 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
H IN 2
FLIN 2
VHIGH
OUT
H OUT 1B
H OUT 1A
H IN 1
S
I
I
V
O
O
V
R
C
W
S
H
E
E
B
V
B
V
V
E
E
H
GND
H OUT 3A
H IN 3
ENABLE
SYNC
H OUT 3B
H IN 4
H OUT 4A
FLIN 4
FLIN 3
VBAT
D94AU112A
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PIN CONNECTION
1/15
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