AN8377N [PANASONIC]
3-channel Linear Driver; 三通道线性驱动器
| 型号： | AN8377N |
| 厂家： | 
PANASONIC |
| 描述： | 3-channel Linear Driver |
| 文件： | 总4页 (文件大小：53K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ICs for CD/CD-ROM Player
AN8377N
3-channel Linear Driver
■ Overview
Unit : mm
3.05±0.25
1.06±0.25
6.35±0.3
4.70.25
The AN8377N is an IC which incorporates 3 circuits of
BTL drivers for driving various DC motors such as actua-
tors (focus, tracking, traverse), spindles, and loading of
the CD players, and the +5V low drop type power supply.
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
■ Features
•
•
Operating supply voltage range ; VCC=5.5V to 18V
Built-in 3 circuits of voltage BTL drivers
(maximum drive current : 500mA)
17
•
Stable circuit operation against supply voltage change
and temperature change due to the built-in stabilized
power supply
ø2.1
0.560.1
•
Built-in +5V low drop power supply (external PNP
power transistor)
•
•
Built-in reset circuit (reset voltage : 4.82V)
Built-in thermal protective circuit (operating tempera-
ture : 159 ; typ.)
0 ~ 6˚
16-Lead DIP Package with Fin (HDIP016-P-0300)
7.62±0.25
•
Built-in power cut circuit (motor driver 1 only)
■ Applications
Linear driving of the DC motors and actuators of the
CD players, CD radio cassette tape recorder, and so on.
■ Block Diagram
15
13
14
9
10
11
12
BTL
Motor
Driver 1
BTL
Motor
Driver 3
BTL
Motor
Driver 2
RST
Thermal
Shutdown
1
P VCC
GND
VCC
2
Band–
gap
(2.5V)
5V
Regulator
(low–sat)
F
Error
Amp.
Error
Amp.
Error
Amp.
–
+
–
+
–
+
3
4
16
5
7
6
8
VREF
1
(
2VCC
)
⁄
ICs for CD/CD-ROM Player
AN8377N
■ Absolute Maximum Ratings (Ta=25˚C)
Parameter
Symbol
Rating
Unit
V
Supply Voltage
VCC
PD
20
Power Dissipation
1500
mW
˚C
Operating Ambient Temperature
Storage Temperature
Topr
Tstg
–25 ~ +80
–55 ~ +150
˚C
■ Recommended Operating Range (Ta=25˚C)
Parameter
Symbol
VCC
Range
Operating Supply Voltage Range
5.5V ~ 16V
■ Electrical Characteristics (Ta=25˚C)
Parameter
Symbol
Condition
min.
7
typ.
10.5
5
max.
15
Unit
mA
V
No Load Current
ICC
VRO
VCC=12V
4.75
–15
–15
4.55
5.25
30
5V Regulator Output Voltage
5V Regulator Load Change
5V Regulator Input Change
Reset Threshold Voltage
VCC=12V, RL=50W
mV
mV
V
DVRI
DVRVC
VRST
VCC=12V, RL=50W ~ 25W
VCC=15.5V~ 5.5V, RL=50W
50
4.82
170
5.1
Reset Threshold Hysteresis Width
Reset Operating Minimum Voltage
Input Offset Voltage
VHYS
VR (min.)
VIOF
VOOF
G+
90
3.1
310
mV
V
Minimum VCC Voltage
at which V15=Low
VCC=18V, RL=20W,
RIN=10kW
–7
7
50
mV
mV
dB
dB
V
VCC=18V, RL=20W,
RIN=10kW
Output Offset Voltage
–50
VCC=18V, RL=20W,
RIN=10kW
Gain (+)
16.5
– 0.85
7.1
20
22.5
0.85
10.9
–7.1
30
VCC=18V, RL=20W,
RIN=10kW
(+) (–) Relative Gain
GR
VCC=18V, RL=20W,
RIN=10kW
Limit Voltage (+)
VL+
VCC=18V, RL=20W,
RIN=10kW
Limit Voltage (–)
VL–
–10.9
–10
V
VCC=18V, RL=20W,
RIN=10kW
Dead Zone Width
VDZ
mV
V
VPCL
VPCH
V2RS
V3RS
V1RS
I3LIM
TTHD
VCC=18V
1.2
PC Input Threshold (L)
VCC=18V
V
PC Input Threshold (H)
Motor Driver 2 Output Voltage at Reset
Motor Driver 3 Output Voltage at Reset
Motor Driver 1 Output Voltage at Reset
2.8
–50
–50
–50
9
VCC=3.5V, RL=10kW
50
50
50
16
mV
mV
mV
mA
˚C
V
CC=3.5V, RL=10kW
VCC=3.5V, RL=10kW
5V Regulator External Transistor Base
Current Limit Value
12
159
64
Thermal Protective Circuit Operating
Temperature Balancing Value
Thermal Protective Circuit Operating
Temperature Hysteresis Width
DTTHD
˚C
Note) The specified values of VIOF, VOOF, G+, GR, VL+, VL– , and VDZ are common ones for each of the motor driver 1, motor driver 2,
and motor driver 3 circuits.
ICs for CD/CD-ROM Player
AN8377N
■ Application Circuit
(Used when driving the focus, tracking actuator, and traverse motor)
from
MN6622
or
+5V
MN6625
M
20kW
15 14
16
13
12
11
10
9
AN8377N
F
1
2
3
A1547
4
5
6
7
8
VREF
(typ.2.5V)
PVCC VCC
(shot circuit possible)
5V
+
22mF
■ Pin Descriptions (The following description applies when the 3 channels for the motor drivers 1, 2, and 3 are used.)
DC Voltage
(VCC/12V)
Pin No. Symbol
I/O
Equivalent Circuit
Description
1
Power VCC pin.
Supplies a current flowing to
the output power transistor.
33
1
2
PVCC
I
12V
VCC pin.
Not connected to the power
VCC pin.
VCC
I
12V
2
3
4
External PNP transistor base
connection pin
3
4
TB
O
11.3V
10kW
10kW
External PNP transistor
collector connection pin
(=5V output pin)
VMON
I
5V
ICs for CD/CD-ROM Player
AN8377N
■ Pin Descriptions (Cont.) (The following description applies when the 3 channels for the motor drivers 1, 2, and 3 are used.)
DC Voltage
(VCC/12V)
Pin No. Symbol
I/O
Equivalent Circuit
Description
15
200W
Reset output pin.
Open collector output type.
15
RST
GND
VREF
O
F
F
I
I
0V
GND pin
· · · ·
8
2.5V
VREF input pin
8
5
6
TVDI
FDI
I
2.5V
2.5V
Driver 1 error input pin
Driver 2 error input pin
Driver 3 error input pin
5
I
500W
or
6
or
7
TDI
I
2.5V
7
(P VCC
)
BTL driver 3 inverting output
pin
9
TD –
TD+
O
O
O
O
O
O
(0.3V)
(0.3V)
(0.3V)
(0.3V)
(0V)
BTL driver 3 non-inverting
output pin
10
11
12
13
14
BTL driver 2 inverting output
pin
FD –
FD+
BTL driver 2 non-inverting
output pin
9
10
BTL driver 1 inverting output
pin
TVD –
TVD+
or
or
11
or
12
or
BTL driver 1 non-inverting
output pin
(0V)
13
14
16
PC (power cut) input pin
16
PC
I
0V
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