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參數(shù)資料
| 型號： | SG3731N |
| 廠商： | MICROSEMI CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | DC MOTOR PULSE WIDTH MODULATOR |
| 中文描述： | BRUSH DC MOTOR CONTROLLER, 0.4 A, PDIP16 |
| 封裝： | ROHS COMPLIANT, PLASTIC, DIP-16 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 140K |
| 代理商： | SG3731N |
SG1731/SG2731/SG3731
4/90 Rev 1.3 9/99
Copyright
1999
L
IN
F
IN
ITY
Microelectronics Inc.
Garden
Grove,
FAX: (714) 893-2570
11861 Western Avenue
∞
CA
92841
1
(714) 898-8121
∞
DC MOTOR PULSE WIDTH MODULATOR
FEATURES
±
3.5V to
±
15V control supply
±
2.5V to
±
22V driver supply
Dual 100mA source/sink output
drivers
5KHz to 350KHz oscillator range
High slew rate error amplifier
Adjustable deadband operation
Digital SHUTDOWN input
HIGH RELIABILITY FEATURES
- SG1731
Available to MIL-STD-883
LMI level “S” processing available
BLOCK DIAGRAM
DESCRIPTION
The SG1731 is a pulse width modulator circuit designed specifically for DC motor
control. It provides a bi-directional pulse train output in response to the magnitude
and polarity of an analog error signal input. The device is useful as the control
element in motor-driven servo systems for precision positioning and speed control,
as well as in audio modulators and amplifiers using carrier frequencies to 350 KHz.
The circuit contains a triangle waveform oscillator, a wideband operational amplifier
for error voltage generation, a summing/scaling network for level-shifting the
triangle waveform, externally programmable PWM comparators and dual
±
100mA,
±
22V totem pole drivers with commutation diodes for full bridge output. A
SHUTDOWN terminal forces the drivers into a floating high-impedance state when
driven LOW. Supply voltage to the control circuitry and to the output drivers may be
from either dual positive and negative supplies, or single-ended.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SG2731N | DC MOTOR PULSE WIDTH MODULATOR |
| SG1731 | DC MOTOR PULSE WIDTH MODULATOR |
| SG1731J | DC MOTOR PULSE WIDTH MODULATOR |
| SG2842Y | CURRENT MODE PWM CONTROLLER |
| SG3842D | CURRENT MODE PWM CONTROLLER |
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