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FAN3121C

更新时间： 2024-01-17 10:12:07

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器栅极栅极驱动
页数	文件大小	规格书
12页	459K
描述
Application Review and Comparative Evaluation of Low-Side Gate Drivers

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FAN3121C 技术参数

是否无铅：	不含铅	生命周期：	Active
包装说明：	SOP, SOP8,.25	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.31.00.01
Factory Lead Time：	1 week	风险等级：	1.39
Is Samacsys：	N	内置保护：	UNDER VOLTAGE
高边驱动器：	NO	接口集成电路类型：	BUFFER OR INVERTER BASED MOSFET DRIVER
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e4
长度：	5 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-40 °C
输出电流流向：	SOURCE AND SINK	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP8,.25
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	电源：	12 V
认证状态：	Not Qualified	座面最大高度：	1.75 mm
子类别：	MOSFET Drivers	最大压摆率：	0.9 mA
最大供电电压：	18 V	最小供电电压：	4.5 V
标称供电电压：	12 V	表面贴装：	YES
温度等级：	AUTOMOTIVE	端子面层：	Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag)
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
断开时间：	0.035 µs	接通时间：	0.035 µs
宽度：	4 mm	Base Number Matches：	1

FAN3121C 数据手册

AN-6069

APPLICATION NOTE

Conclusion

Low-side drivers are used to drive power MOSFETs in

applications including clamped inductive load switching,

synchronous rectifier circuits, and pulse/gate transformer

drive circuits. The relationship of gate drive current to the

MOSFET switching and transition intervals has been

detailed during the prominent MOSFET switching intervals.

Potential driver solutions; including discrete components,

integrated PMOS/NMOS, and compound drivers, were

examined. Some of the non-ideal characteristics of the

various driver circuits were highlighted.

There is not a simple unified method to characterize the

output current sink and source capability of the many types

of drivers available. The test circuits presented in this note

can be used to investigate the V_OUTvs. I_OUTcapability of

discrete and integrated circuit drivers, enabling evaluation

and comparison of drivers for a range of applications.

References

[1] 2006 Fairchild Power Seminar Topic, “Understanding Modern Power MOSFETs,” available on the fairchildsemi.com website at the link:

http://www.fairchildsemi.com/powerseminar/pdf/understanding_modern_power_mOSFETs.pdf

[2] Oh, K. S., “MOSFET Basics”, July, 2000, available as AN9010 from the fairchildsemi.com website.

[3] Balogh, L. “Design and Application Guide for High Speed MOSFET Gate Drive Circuits,” Power Supply Design Seminar SEM-1400, Topic 2,

Texas Instruments Literature No. SLUP169.

[4] ICE Components Gate Drive Transformer Datasheet “GT03.pdf” dated 10/06, available from www.icecomponents.com.

[5] 2006 Fairchild Power Seminar Topic, “Practical Power Application Issues for High Power Systems,” available on the fairchildsemi.com website at the

link: http://www.fairchildsemi.com/powerseminar/pdf/practical_power_high_power_systems.pdf

[6] Johnson, H. Dr, “High-Speed Digital Design On-Line Newsletter,” Vol. 3 Issue 8, www.sigcon.com/Pubs/news/3_8.htm

Author

Mark Dennis was born in Troy, NC, and received the Bachelor of Engineering degree from Duke University in 1983. After

graduation he has worked in industries encompassing power electronics applications such as offline and DC to DC power

supply design for telecom and computer systems, high voltage supplies for electrostatic precipitators, and online UPS

systems. For over eight years Mark has been working in the semiconductor industry and he is employed by Fairchild

Semiconductor as a Staff Engineer working in High Power Systems.

Rev. 1.0.3 • 1/6/10

www.fairchildsemi.com

1...7 8 91011 12

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与FAN3121C相关器件

型号	品牌	描述	获取价格	数据表
FAN3121CMPX	FAIRCHILD	Single 9A High-Speed, Low-Side Gate Driver	获取价格
FAN3121CMPX	ONSEMI	CMOS 输入、单通道同相输入、11.4 A 峰值灌电流、10.6 A 源电流低端栅极驱动	获取价格
FAN3121CMX	FAIRCHILD	Single 9A High-Speed, Low-Side Gate Driver	获取价格
FAN3121CMX	ONSEMI	CMOS 输入、单通道同相输入、11.4 A 峰值灌电流、10.6 A 源电流低端栅极驱动	获取价格
FAN3121CMX_F085	FAIRCHILD	Single 9-A High-Speed, Low-Side Gate Driver	获取价格
FAN3121CMX_F085_12	FAIRCHILD	Single 9A High-Speed, Low-Side Gate Driver	获取价格

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