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PDF AA51881 Data sheet ( Hoja de datos )
| Número de pieza | AA51881 | |
| Descripción | SERVO MOTOR CONTROLLER | |
| Fabricantes | Agamem Microelectronic | |
| Logotipo |  |
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PRELIMINARY
AA51881Agamem Microelectronics Inc.
SERVO MOTOR CONTROLLER
■ DESCRIPTION
The AA51881 is a BJT integrated circuit to be applied on servo motor control applications. The
built-in voltage regulator provides the AA51881 with extremely stable output voltage. It also
incorporates a linear one-shot and pulse-width demodulator for improved positional accuracy.
■ FEATURES
• Built-in voltage regulator.
• Larger driving capability.
• Internal output NPN power transistor.
• Adjustable dead band range control.
• Incorporates a protection circuit for "H-Bridge" driving configuration.
• Small outline package.
■ APPLICATIONS
• Servo motor control.
• Radio controlled car, boat, and airplane.
• IA products (such as air-condition).
• Remote positioning.
■ BLOCK DIAGRAM
©Copyright Agamem Microelectronics Inc.
1
www.agamem.com.tw 2008/5/5
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE
TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
1 page  
www.DataSheet4U.com
PRELIMINARY
AA51881Agamem Microelectronics Inc.
SERVO MOTOR CONTROLLER
■ TYPICAL APPLICATION EXAMPLE
A. Half H-Bridge application using two external PNPs
VS
VS
VIN 14
10
VCC
EXP1 2
OUT1 3
OUT2 5
EXP2 6
Q2
A695
C8 103pF
Q1
A695
M VR1
5KΩ
VREG 9
RT
CT
POT
RDB CST GND GND GND
1 16 15 11 7 4 12 13
R2
20KΩ
C3
0.1uF
C1
0.1uF
C2
0.1uF
R3
1KΩ
R4 150KΩ
C4
0.22uF
C5
4.7uF
R1
470KΩ
R7
1KΩ
B. Full H-Bridge application using two PNPs and two NPNs
©Copyright Agamem Microelectronics Inc.
5
www.agamem.com.tw 2008/5/5
AGAMEM MICROELECTRONICS INCOPERATION RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE
TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. AGAMEM DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCTS OR CIRCUIT DESRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet AA51881.PDF ] | |
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