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SDC281 PDF даташит

Спецификация SDC281 изготовлена ​​​​«SDC» и имеет функцию, называемую «Smart Two-Phase DC Fan».

Детали детали

Номер произв SDC281
Описание Smart Two-Phase DC Fan
Производители SDC
логотип SDC логотип 

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SDC281 Даташит, Описание, Даташиты
Smart Two-Phase DC Fan Driver
Datasheet
SDC281
General Description
The SDC281 is a two-phase brushless DC fan motor driver,
which is built in Hall effect sensor. The driver includes lock
detection and auto-restart functions. The built-in chopper
amplifier can dynamically adjust the input offset voltage.
It greatly improves the sensitivity of the magnetic. The
output uses the soft-switch that greatly reduces the
phase-switch noise. The power switch is application in
advanced LDMOS technology to effectively reduce the
on-resistance. The peak current is highly to 1200mA.
Features
Widely operating voltage range: 2.5V~20V
High output peak current to 1200mA
Continuous output current to 600mA
High sensitivity Hall effect sensor IC: ±25GS
Soft-switch to reduce phase-switch noise
Built-in output protection clamping circuit
Built-in lock detection and auto-restart functions
Built-in thermal shutdown protection
Reverse voltage protection
Applications
Brushless DC fan motors
Brushless DC motors
TO-94
Figure 1. Package Type
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
1/10
www.sdc-semi.com









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SDC281 Даташит, Описание, Даташиты
Smart Two-Phase DC Fan Driver
Pin Configuration
Package: TO-94
1.VDD
2.DO
3.DOB
4.GND
Datasheet
SDC281
Pin Number
1
2
3
4
Functional Block Diagram
VDD
123 4
Figure 2. Pin Configuration
Pin Name
VDD
DO
DOB
GND
Table 1. Pin Description
Voltage
Regulator
Hall
Plane
Logic Control
Citcuit
Oscillator
Voltage
Clamp
Voltage
Clamp
Functions
Power supply pin
Output 1 pin
Output 2 pin
Ground pin
DO
DOB
GND
Figure 3. Functional Block Diagram
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
2/10
www.sdc-semi.com









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SDC281 Даташит, Описание, Даташиты
Smart Two-Phase DC Fan Driver
Ordering Information
SDC281 X - X
Circuit Type
E1: Pb-free
G1: Halogen-free
Package
TO-94: Z4
Datasheet
SDC281
Package
TO-94
Temperature
Range
-40°C~85°C
Part Number
Pb-free
Halogen-free
SDC281Z4-E1 SDC281Z4-G1
Marking ID
Pb-free
Halogen-free
281 281G
Packing Type
Bulk
December, 2013 Rev. 1.1
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
3/10
www.sdc-semi.com










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