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PDF 2606AD Data sheet ( Hoja de datos )
| Número de pieza | 2606AD | |
| Descripción | NJM2606AD | |
| Fabricantes | New Japan Radio | |
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NJM2606 / 2606A
LOW VOLTAGE DC MOTOR CONTROLLER
■ GENERAL DESCRIPTION
The NJM2606/06A are integrated circuits with wide operating supply
voltage range for DC motor speed control. Especially, the NJM2606A
is suited for the applications requiring low staturation output voltage.
■ PACKAGE OUTLINE
■ FEATURES
● Operating Voltage
(1.8V to 8V)
● Internal Low Saturation Voltage Output Transistor
● Package Outline
DIP8, DMP8
● Bipolar Technology
NJM2606D
NJM2606AD
NJM2606M
NJM2606AM
■ PIN CONFIGURATION
■ BLOCK DIAGRAM
NJM2606D
NJM2606AD
NJM2606M
NJM2606AM
Ver.2003-12-09
-1-
1 page  
■ TYPICAL APPLICATION
NJM2606 / 2606A
The voltage applied at the motor is set as VM, which brings the following formula.
VM
=
(R1
+ R2
+ R3 ) Iref
+ R1･IM
+ Iref
K
Now that, Iref = Vref / R2 so that,(Iref ≒100µA setting is appropriate)
VM
=
Vref
R2
(R1
+
R1
K
+ R2
+ R3 )+
R1
K
IM Λ
Λ
(1)
On the other hand, the voltage applied at the motor itself will be as in the following.
VM = EO + RM･IM Λ Λ (2)
Through (1), (2), and then leading to stabilize the control system.
RM･IM
>
R1
K
･IM
∴R1 < K･RM Λ Λ (3)
Taking in consideration of deviations, R1(MAX) < K(MIN)･RM(MIN) with the condition.
Items required checking in regard to the temperature coefficient
IC items
1. Reference voltage : Temperature coefficient of Vref.
2. Current Ratio : Temperature coefficient of K
*1 External component items
3. Temperature coefficient of R1, R2 and R3
The relation among these 3 parts takes the very important roll.
4. Temperature coefficient of motor internal resistance
5. Temperature coefficient of motor generative voltage
6. Temperature coefficient ratio of R1 and RM
Count up from 3.4.
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
Ver.2003-12-09
-5-
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet 2606AD.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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