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AN6651
LINEAR INTEGRATED CIRCUIT
MOTOR SPEED CONTROL CIRCUIT
DESCRIPTION
The AN6651 is a monolith...
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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.
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
1: Vcc
1
TO-126B
2: CONTROL 3: GND 4: MOTOR
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]
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AN6651
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)
LINEAR INTEGRATED CIRCUIT
SYMBOL
VCC ICC PD TOPR TSTG Vn-3 (n=1,2,4) I1 I2 I3 I4
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
VALUE
14.4 2000 1300 -20 to +75 -40 to +150 -0.5 to +14.4 150 100 -2000 (MIN.) 1750
UNIT
V mA mW °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
Reference Voltage Base Current Current Proportional Constant Saturation Voltage Voltage Characteristics 1
SYMBOL
Vref Ibias K VSAT
∆...