參數(shù)資料
型號(hào): TDA7473
廠商: 意法半導(dǎo)體
英文描述: QUAD BTL DRIVER WITH VOLTAGE REGULATOR
中文描述: 四橋接驅(qū)動(dòng)器,穩(wěn)壓器
文件頁(yè)數(shù): 1/5頁(yè)
文件大?。?/td> 37K
代理商: TDA7473
TDA7473
QUAD BTL DRIVER WITH VOLTAGE REGULATOR
4 BUILT-IN POWER BRIDGES (4 x 0.6A)
NO EXTERNALCOMPONENTS
SINGLEPOWER SUPPLY
WIDE SUPPLYVOLTAGERANGE(6 TO 15V)
5V REGULATOR DRIVER FOR EXTERNAL
PASS
TRANSISTOR
SHORT CIRCUIT PROTECTION
ADJUSTABLE REGULATOR (2.0 TO 3.6V @
200mA) WITH SHORT CIRCUIT PROTEC-
TION
WITH
FOLD-BACK
DESCRIPTION
This device is a quad power driver circuit in BTL
configuration, intended for use as a power driver
for servo systems with a single supply.
It’s specially dedicated to compact disc players
and it’s capable of driving focus & tracking actua-
tors sledge & spindlemotors.
The regulators are mainly used to have a 5V sup-
ply for the power part and a lower programmable
voltagefor the logic circuits.
June 1998
OC
+
-
VS/2
-
+
OUT 1+
OUT 1-
OUT 4-
REFERENCE
ADJ
REG
ST_BY
IN4
COMM
REF
VS3
IN2
IN1
DRIV
D95AU223B
IN3
5V
+
-
+
-
VS/2
-
+
OUT 2+
OUT 2-
+
-
+
-
VS/2
-
+
OUT 3+
OUT 3-
+
-
+
-
VS/2
-
+
OUT 4+
+
-
M
M
TRACKING
ACTUATOR
SLEDGE
MOTOR
SPINDLE
MOTOR
FOCUS
ACTUATOR
VBG
VBG
VBG
VS4
GND GND GND GND
VSUP
+
VS1
VS2
R1
1K
R2
1K
Figure 1:
Quad BTL Power Bridges + MultifunctionRegulators.
SO28 (24+2+2)
1/5
相關(guān)PDF資料
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