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UCC27423DGN PDF预览

UCC27423DGN

更新时间： 2024-02-12 00:44:28
品牌 Logo 应用领域
德州仪器 - TI 驱动器MOSFET驱动器驱动程序和接口接口集成电路光电二极管信息通信管理
页数 文件大小 规格书
24页 383K
描述
DUAL 4-A HIGH SPEED LOW SIDE MOSFET DRIVERS WITH ENABLE

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UCC27423DGN 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：DIP
包装说明：DIP, DIP8,.3针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1Samacsys Description：UCC27423P, Dual MOSFET Power Driver 4A, Inverting, 4 → 15 V, 8-Pin PDIP
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-PDIP-T8JESD-609代码：e4
长度：9.81 mm功能数量：2
端子数量：8最高工作温度：105 °C
最低工作温度：-40 °C输出特性：TOTEM-POLE
最大输出电流：4 A标称输出峰值电流：4 A
输出极性：INVERTED封装主体材料：PLASTIC/EPOXY
封装代码：DIP封装等效代码：DIP8,.3
封装形状：RECTANGULAR封装形式：IN-LINE
峰值回流温度（摄氏度）：NOT SPECIFIED电源：4.5/15 V
认证状态：Not Qualified座面最大高度：5.08 mm
子类别：MOSFET Drivers最大压摆率：1.35 mA
最大供电电压：15 V最小供电电压：4.5 V
标称供电电压：14 V表面贴装：NO
技术：BICMOS温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：THROUGH-HOLE
端子节距：2.54 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：0.05 µs
接通时间：0.04 µs宽度：7.62 mm

UCC27423DGN 数据手册

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SLUS545B − NOVEMBER 2002 − REVISED NOVEMBER 2004  
Terminal Functions  
TERMINAL  
FUNCTION  
NO.  
NAME  
I/O  
1
ENBA  
I
Enable input for the driver A with logic compatible threshold and hysteresis. The driver  
output can be enabled and disabled with this pin. It is internally pulled up to V with  
100-kΩ resistor for active high operation. The output state when the device is disabled  
will be low regardless of the input state.  
DD  
2
3
4
5
INA  
GND  
INB  
I
−
I
Input A. Input signal of the A driver which has logic compatible threshold and hysteresis.  
If not used, this input should be tied to either VDD or GND. It should not be left floating.  
Common ground. This ground should be connected very closely to the source of the  
power MOSFET which the driver is driving.  
Input B. Input signal of the A driver which has logic compatible threshold and hysteresis.  
If not used, this input should be tied to either VDD or GND. It should not be left floating.  
OUTB  
O
Driver output B. The output stage is capable of providing 4-A drive current to the gate of  
a power MOSFET.  
6
7
VDD  
I
Supply. Supply voltage and the power input connection for this device.  
OUTA  
O
Driver output A. The output stage is capable of providing 4-A drive current to the gate of  
a power MOSFET.  
8
ENBB  
I
Enable input for the driver B with logic compatible threshold and hysteresis. The driver  
output can be enabled and disabled with this pin. It is internally pulled up to V  
100-kΩ resistor for active high operation. The output state when the device is disabled  
will be low regardless of the input state.  
with  
DD  
APPLICATION INFORMATION  
General Information  
High frequency power supplies often require high-speed, high-current drivers such as the UCC27423/4/5 family.  
A leading application is the need to provide a high power buffer stage between the PWM output of the control  
IC and the gates of the primary power MOSFET or IGBT switching devices. In other cases, the driver IC is  
utilized to drive the power device gates through a drive transformer. Synchronous rectification supplies also  
have the need to simultaneously drive multiple devices which can present an extremely large load to the control  
circuitry.  
Driver ICs are utilized when it is not feasible to have the primary PWM regulator IC directly drive the switching  
devices for one or more reasons. The PWM IC may not have the brute drive capability required for the intended  
switching MOSFET, limiting the switching performance in the application. In other cases there may be a desire  
to minimize the effect of high frequency switching noise by placing the high current driver physically close to  
the load. Also, newer ICs that target the highest operating frequencies may not incorporate onboard gate drivers  
at all. Their PWM outputs are only intended to drive the high impedance input to a driver such as the  
UCC27423/4/5. Finally, the control IC may be under thermal stress due to power dissipation, and an external  
driver can help by moving the heat from the controller to an external package.  
6
www.ti.com  
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