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UTC6651 Datasheet(PDF) 2 Page - List of Unclassifed Manufacturers

Part No. UTC6651
Description  MOTOR SPEED CONTROL CIRCUIT
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UTC6651
LINEAR INTEGRATED CIRCUIT
YOUW ANG ELECTRONICS CO.LTD
2
ABSOLUTE MAXIMUM RATINGS(Ta=25°C)
Characteristic
Symbol
Value
Unit
Supply Voltage
VCC
14.4
V
Supply Current(note 1)
Icc
2000
mA
Power Dissipation(note 2)
PD
1300
mW
Operating Temperature
Topr
-20 ~ +75
°C
Storage Temperature
Tstg
-40 ~ +150
°C
NOTE:1.Ta=25
°C,with a 10x10 mm bakelite PCB(3.5µm Cu leaf)
2. Test time < 5seconds.
ELECTRICAL CHARACTERISTICS(Ta=25°C,unless otherwise specified)
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Units
Reference Voltage
VREF
VCC=6V
Ra=1k
0.85
1.0
1.15
V
Bias Current
IBias
Vcc=6V
0.8
1.8
mA
Current Proportional Constant
K
Vcc=6V,DI4=40mA
35
40
45
Saturation Voltage
VSAT
VCC=4.2V,Ra=5.0
1.15
2
V
Voltage Characteristics 1
∆V REF
VREF
Vcc
VCC=3.5V~14.0V,Ra=1k
-0.1
%/V
Voltage Characteristics 2
∆K
K
Vcc
VCC=3.5V~14.0V,DI4=40mA
0.2
%/V
Current Characteristics 1
∆V REF
VREF
I4
I4=50mA~200mA
-0.02
%/mA
Current Characteristics 2
∆K
K
I4
I4=50mA~200mA
-0.01
%/mA
Temperature Characteristics 1
∆V REF
VREF
Ta
TA=-20~+75
°C VCC=6.0V
Ra=1k
0.01
%/
°C
Temperature Characteristics 2
∆K
K
Ta
TA=-20~+75
°C VCC=6.0V
DI4=40mA
0.01
%/
°C
CHARACTERISTICS CURVE
APPLICATION CIRCUIT
M
22
µH
10
µF
Ea
Ra
180
Rs
3
1
2
4
UTC6651
Vcc
Motor Constant:
Ka-- Electromotive force constant=1.1mV/rpm
Ra-- Internal Resistor=5
KT=Torque Constant=100g.cm/A
Ambient Temperature,Ta( )
k
2.0
0
0.4
0.8
1.2
1.6
-20
20
60
100
140
180
(1)
(2)
(1) With a 10x10mm blakelite
PCB(35
µm Cu leaf)
(2) Without heat sink
Power Dissipation Vs. Temperature
RT
Micro
Motor




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