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TA2125AF Datasheet(Hoja de datos) 1 Page - Toshiba Semiconductor

No. de Pieza. TA2125AF
Descripción  Power Driver IC for CD Player
Descarga  7 Pages
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Fabricante  TOSHIBA [Toshiba Semiconductor]
Página de inicio  http://www.semicon.toshiba.co.jp/eng
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TA2125AF
2003-10-07
1
TOSHIBA Bipolar Liner Integrated Circuit
Silicon Monolithic
TA2125AF
Power Driver IC for CD Player
TA2125AF is power driver IC developed for CD players.
This IC have built-in 4 channel BTL power amplifiers and 1
channel H-Bridge driver.
Which drives focus-coil and tracking coil for 3-beam pick-up head,
disc motor, feed motor and loading motor.
Features
• 4 channel BTL linear drivers
High output power: Vout = 5.1 Vp-p (VCC = 8 V, RL = 8 Ω)
Stand-by switch for BTL drivers
• 1 channel H-Bridge: VCE (H) + VCE (L) = 1.3 V (VR = VM = 8 V,
IO = 200 mA)
Logic control (forward, revers, brake, stand-by)
• Punch through current restriction diode for H-bridge
• 5 V regulator reference amp (with external output Tr.)
• Thermal shut down protection
• Operating supply voltage range: VCC = 5.0 to 9.0 V
Block Diagram
Weight: 0.74 g (typ.)
Preliminary
24
6
7
12
13
1
2
RL5
36
VR
35
34
33
32
31
30
Control
Logic
3
STBY
STBY
RIN FIN
4ch
Driver
STB IN3
IN4
REG
STB
29
27
28
FIN
VCC
26
25
REG OUT
N.C.
23
22
21
× 3
× 3 × 3 × 3
20
19
4
VCIN IN1
5
N.C. N.C.
× 3
× 3 × 3 × 3
15
16
17
18
IN2
N.C. N.C.
11
14
8
9
FIN
10
GND
Iref
TSD
RL4
RL3
RL2
RL1




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