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SA828中文资料
SA828数据手册规格书PDF详情
Three-Phase PWM Waveform Generator
The SA828 PWM generator has been designed to provide waveforms for the control of variable speed AC machines, uninterruptible power supplies and other forms of power electronic devices which require pulse width modulation as a means of efficient power control.
The six TTL level PWM outputs (Fig. 2) control the six switches in a three-phase inverter bridge. This is usually via an external isolation and amplification stage.
The SA828 is fabricated in CMOS for low power consumption.
Information contained within the pulse width modulated sequences controls the shape, power frequency, amplitude, and rotational direction (as defined by the red-yellow-blue phase sequence) of the output waveform. Parameters such as the carrier frequency, minimum pulse width, and pulse delay time may be defined during the initialisation of the device. The pulse delay time (underlap) controls the delay between turning on and off the two power switches in each output phase of the inverter bridge, in order to accommodate variations in the turn-on and turn-off times of families of power devices.
FEATURES
■ Fully Digital Operation
■ Interfaces with Most Microprocessors
■ Wide Power-Frequency Range
■ 12-Bit Speed Control Accuracy
■ Carrier Frequency Selectable up to 24kHz
■ Waveform Stored in Internal ROM
■ Double Edged Regular Sampling
■ Selectable Minimum Pulse Width and Underlap Time
■ DC Injection Braking
SA828产品属性
- 类型
描述
- 型号
SA828
- 制造商
MITEL
- 制造商全称
Mitel Networks Corporation
- 功能描述
Three-Phase PWM Waveform Generator
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
MITEL |
17+ |
DIP |
6200 |
100%原装正品现货 |
|||
MITEL |
23+ |
DIP-28 |
2600 |
一级分销商 |
|||
MITEL |
2022+ |
DIP28 |
1000 |
原厂原装 假一赔十 |
|||
MITEL |
25+ |
DIP |
18000 |
原厂直接发货进口原装 |
|||
MITEL |
23+ |
DIP28 |
5000 |
原装正品,假一罚十 |
|||
MITEL |
25+ |
SOP |
10 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
|||
MITEL |
23+ |
SOP |
8560 |
受权代理!全新原装现货特价热卖! |
|||
MITEL |
18+ |
DIP28 |
85600 |
保证进口原装可开17%增值税发票 |
|||
MITEL |
23+ |
DIP |
15000 |
全新原装现货,价格优势 |
|||
MITEL |
25+ |
SOP |
3000 |
全新原装、诚信经营、公司现货销售! |
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Datasheet数据表PDF页码索引
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