AN8850L-D08-T [UTC]
MOTOR CONTROL CIRCUITS; 电机控制电路型号: | AN8850L-D08-T |
厂家: | Unisonic Technologies |
描述: | MOTOR CONTROL CIRCUITS |
文件: | 总5页 (文件大小:155K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
UNISONIC TECHNOLOGIES CO., LTD
AN8850
Preliminary
CMOS IC
MOTOR CONTROL CIRCUITS
DESCRIPTION
The UTC AN8850 is
a electronic governor suitable for
low-voltage and compact DC motors generally used in the tape
recorder, etc.
FEATURES
* Wide range of operating voltage : VCC(opr) =1.8V ~ 12V
* 2 package types
* Fewer external parts
* Speed control in steps with linear fine control
DIP-8
ORDERING INFORMATION
Ordering Number
Lead Free
Package
DIP-8
Packing
Tube
Halogen Free
AN8850G-D08-T
AN8850L-D08-T
Note: xx: Output Voltage, refer to Marking Information.
AN8850L-D08-T
(1)Packing Type
(1) T: Tube
(2) D08: DIP-8
(2)Package Type
(3)Lead Free
(3) Halogen Free, L: Lead Free
www.unisonic.com.tw
1 of 5
Copyright © 2011 Unisonic Technologies Co., Ltd
QW-R502-507.a
AN8850
Preliminary
CMOS IC
PIN CONFIGURATION
VREF
-
Phase Compensation
Motor Pin
1
2
8
7
VREF
+
VCC
GND
GND
3
4
6
5
Comparator Input
PIN DESCRIPTION
PIN NO.
PIN NAME
DESCRIPTION
1
2
3
4
5
6
7
8
VREF
VREF
VCC
-
VREF
-
+
VREF+
Power Supply
Input of Comparator
Ground
Comparator Input
GND
GND
Ground
Motor Pin
Output Pin
Phase Compensation
Phase Compensation
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
2 of 5
QW-R502-507.a
www.unisonic.com.tw
AN8850
Preliminary
CMOS IC
ABSOLUTE MAXIMUM RATING (Ta= 25°C)
PARAMETER
SYMBOL
RATINGS
12
UNIT
V
Supply Voltage
VCC
Circuit Voltage
Vn – 5, 6 (n = 1, 2, 3, 4)
-0.5~7.5
-0.5~1
2
V
Circuit Voltage
Vn – 5, 6
ICC (Note 1)
IOUT
V
Supply Current
A
Circuit Current
2
A
Power Dissipation
Operating Ambient Temperature
Storage Temperature
PD
750
mW
°C
TOPR
-20~+75
-40~+150
°C
TSTG
Notes:
Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
1. t ≤ 5µs
ELECTRICAL CHARACTERISTICS (Ta= 25°C)
PARAMETER
SYMBOL
ICC
TEST CONDITIONS
MIN
1.20
TYP MAX UNIT
Supply Current
VCC=3V
2
3
mA
V
Reference Voltage
Vref
VCC=3V, V2-1>10kΩ
1.28 1.35
Supply voltage in which 30mA current
flows to Ra
VCC=1.8V, Ra=4.7Ω
Starting Voltage
VCC(S)
1.0
0.2
1.2
0.5
V
V
Saturation Voltage
VSAT
ΔVref
/ ΔVCC
Vref
Voltage Characteristics 1
Voltage Characteristics 2
V
CC= 1.8V ~ 12V
CC= 1.8V ~ 12V
-1.25
-1.2
0.1 1.25
%V
%V
ΔVa
/ ΔVCC
V
0.1
1.2
Va
ΔVref
/ ΔIOUT
/ ΔTa
Current Characteristics
Current Characteristics
IOUT =1~20mA
-0.2
0.01 0.2
0.01
%mA
%°C
Vref
ΔV
ref
Ta=-20~+60°C, VCC=3.0V
V
ref
Note: Operating Supply Voltage Range : VCC (opr) = 1.8V ~ 12V
UNISONIC TECHNOLOGIES CO., LTD
3 of 5
QW-R502-507.a
www.unisonic.com.tw
AN8850
Preliminary
CMOS IC
TYPICAL APPLICATION CIRCUIT
Speed Control Circuit with 3V Core Motor
Motor
Ra=4Ω
8
1
7
6
5
4
UTC
AN8850
0.1µF
M
2
3
1000pF
9.1kΩ
(2000ppm/°C)
-
1µF
10V
VR
1kB
+
510Ω
VCC
0.4Ω
(3900ppm/°C)
3Ω
Motor Constants
Ra : Internal resistor = 4Ω
Ka : Electromotive force constant = 0.4mV/rpm
KT : Torque constant = 30g · cm/A
UNISONIC TECHNOLOGIES CO., LTD
4 of 5
QW-R502-507.a
www.unisonic.com.tw
AN8850
Preliminary
CMOS IC
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
5 of 5
QW-R502-507.a
www.unisonic.com.tw
相关型号:
AN8913SCR
Telecom Circuit, 1-Func, Bipolar, PDSO28, 0.450 INCH, HEAT SINK, PLASTIC, SOP-28
PANASONIC
©2020 ICPDF网 联系我们和版权申明