ML1469
_______________________________________________________________
ML1469 4-channel BTL driver for CD players
Application
CD player
VCD player
DVD player
Features
z Built in 3.3V (V33) or 5.0V (V50) Voltage regulator
z Built in general purpose operational amplifier
z Built in thermal shutdown circuit
z Few external parts
z Package Available : HSOP28
General Description
The ML1469 is a 4-channel BTL driver for CD player motors and actuators. An internal 3.3V or 5.0V
voltage regulator and general purpose op-amp are provided for variety of applications.
Block Diagram
28
27
T.S.D
26
25
24
23
22
Vcc
10kΩ 1kΩ
13kΩ -
+
+-
-
+
10kΩ
10kΩ
(3.3kΩ)
+
13kΩ -
21
20
19
18
17
16
15
Vcc 1kΩ 10kΩ
50kΩ
50kΩ
- 13kΩ
+
Driver-Mute
+-
+
- 13kΩ
10kΩ 1kΩ
1
2
3
4
5
6
7
1kΩ 10kΩ
8
9
10
11
12
13
14
BTL Driver for CD Player
T.S.D : Thermal Shutdown Circuit
D.Buf : Drive Buffer
May, 2004 V1.3
1/5