WINGS AN6651

AN6651
LINEAR INTEGRATED CIRCUIT
MOTOR SPEED CONTROL
CIRCUIT
DESCRIPTION
The
AN6651 is a monolithic integrated circuit
designed for the rotating control of a compact DC motor
which is used for a tape recorder, recorder player etc.
1
FEATURES
*Wide operating supply voltage: Vcc=3.5V ~ 14.4V
*Small four-lead plastic packer for compact motor.
*Few external components
*Stable low reference voltage (1.0V, typical)
*Wide motor speed setting
*Reverse voltage protection circuit built-in
TO-126B
1: Vcc
2: CONTROL
BLOCK DIAGRAM
Wing Shing Computer Components Co., (H.K.)Ltd.
Homepage: http://www.wingshing.com
Tel:(852)2341 9276 Fax:(852)2797 8153
E-mail: [email protected]
3: GND
4: MOTOR
AN6651
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
Supply Voltage
Supply Current (note 1)
Power Dissipation
(Ta=25°C) (note 2)
Operating Temperature
Storage Temperature
Terminal Voltage
Terminal Current
Terminal Current
Terminal Current (note 1)
Terminal Current (note 1)
SYMBOL
VALUE
UNIT
VCC
ICC
PD
14.4
2000
1300
V
mA
mW
TOPR
TSTG
Vn-3 (n=1,2,4)
I1
I2
I3
I4
-20 to +75
-40 to +150
-0.5 to +14.4
150
100
-2000 (MIN.)
1750
°C
°C
V
mA
mA
mA
mA
Note 1: t≤5 sec
Note 2: Ta=25°C, with a 10 x 10 mm bakelite PCB (3.5µm Cu leaf)
ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)
PARAMETER
SYMBOL
Reference Voltage
Base Current
Current Proportional
Constant
Saturation Voltage
Voltage
Characteristics 1
Vref
Ibias
K
VCC=6V, Ra=1kΩ
VCC=6V
VCC=6V, ∆I4=40mA
VSAT
∆VREF
VREF
TEST CONDITIONS
MIN
TYP
MAX
UNIT
0.85
1.00
0.8
40
1.15
1.8
45
V
mA
VCC=4.2V,Ra=5.0Ω
VCC=3.5V~14V
Ra=1kΩ
1.15
-0.1
2.0
V
%/V
VCC=3.5V~14V
∆I4=40mA
0.2
%/V
I4=50mA~200mA
-0.02
%/mA
I4=50mA~200mA
-0.01
%/mA
Ta=-20~+75°C
VCC=6V
Ra=1kΩ
0.01
%/°C
35
∆Vcc
Voltage
Characteristics 2
∆K
K
Current
Characteristics 1
∆VREF
VREF
∆Vcc
∆I4
Current
Characteristics 2
∆K
K
∆I4
Temperature
Characteristics 1
∆VREF
VREF
∆Ta
AN6651
PARAMETER
Temperature
Characteristics 2
LINEAR INTEGRATED CIRCUIT
SYMBOL
TEST CONDITIONS
Ta=-20~+75°C
∆I4=40mA
∆K
K
∆Ta
CHARACTERISTICS CURVE
APPLICATION CIRCUIT
MIN
TYP
0.01
MAX
UNIT
%/°C