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UCC27512DRSR PDF预览

UCC27512DRSR

更新时间: 2024-01-02 10:13:10
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德州仪器 - TI 驱动器栅极栅极驱动
页数 文件大小 规格书
33页 1615K
描述
Single-Channel High-Speed Low-Side Gate Driver (with 4-A Peak Source and 8-A Peak Sink)

UCC27512DRSR 数据手册

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UCC27511  
UCC27512  
www.ti.com  
SLUSAW9D FEBRUARY 2012REVISED MAY 2013  
Single-Channel High-Speed Low-Side Gate Driver  
(with 4-A Peak Source and 8-A Peak Sink)  
Check for Samples: UCC27511, UCC27512  
1
FEATURES  
APPLICATIONS  
Low-Cost Gate-Driver Device Offering Superior  
Replacement of NPN and PNP Discrete  
Solutions  
Switch-Mode Power Supplies  
DC-to-DC Converters  
Companion Gate-Driver Devices for Digital  
Power Controllers  
4-A Peak Source and 8-A Peak Sink  
Asymmetrical Drive  
Solar Power, Motor Control, UPS  
Strong Sink Current Offers Enhanced  
Immunity Against Miller Turnon  
Gate Driver for Emerging Wide Band-Gap  
Power Devices (such as GaN)  
Split Output Configuration (allows easy and  
independent adjustment of turnon and turnoff  
speeds) in the UCC27511  
DESCRIPTION  
The UCC27511 and UCC27512 single-channel high-  
speed low-side gate-driver device is capable of  
effectively driving MOSFET and IGBT power  
switches. Using a design that inherently minimizes  
shoot-through current, UCC27511 and UCC27512  
are capable of sourcing and sinking high peak-current  
pulses into capacitive loads offering rail-to-rail drive  
capability and extremely small propagation delay  
typically 13 ns.  
Fast Propagation Delays (13-ns typical)  
Fast Rise and Fall Times (9-ns and 7-ns  
typical)  
4.5 to 18-V Single Supply Range  
Outputs Held Low During VDD UVLO (ensures  
glitch-free operation at power up and power  
down)  
TTL and CMOS Compatible Input-Logic  
Threshold, (independent of supply voltage)  
The UCC27511 and UCC27512 provides 4-A source,  
8-A sink (asymmetrical drive) peak-drive current  
capability. Strong sink capability in asymmetrical drive  
boosts immunity against parasitic, Miller turnon effect.  
The UCC27511 device also features a unique split  
output configuration where the gate-drive current is  
sourced through OUTH pin and sunk through OUTL  
pin. This unique pin arrangement allows the user to  
apply independent turnon and turnoff resistors to the  
OUTH and OUTL pins respectively and easily control  
the switching slew rates.  
Hysteretic-Logic Thresholds for High-Noise  
Immunity  
Dual-Input Design (choice of an inverting (IN-  
pin) or non-inverting (IN+ pin) driver  
configuration)  
Unused Input Pin can be Used for Enable  
or Disable Function  
Output Held Low when Input Pins are Floating  
UCC27511 and UCC27512 are designed to operate  
over a wide VDD range of 4.5 to 18 V and wide  
temperature range of –40°C to +140°C. Internal  
Undervoltage Lockout (UVLO) circuitry on VDD pin  
holds output low outside VDD operating range. The  
capability to operate at low voltage levels such as  
Input Pin Absolute Maximum Voltage Levels  
Not Restricted by VDD Pin Bias Supply  
Voltage  
Operating Temperature Range of –40°C to  
+140°C  
below  
5 V, along with best-in-class switching  
6-Pin DBV (SOT-23) and 6-Pin DRS (3mm × 3  
mm WSON with exposed thermal pad)  
Package Options  
characteristics, is especially suited for driving  
emerging wide band-gap power-switching devices  
such as GaN power-semiconductor devices.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2012–2013, Texas Instruments Incorporated  
 
 

UCC27512DRSR 替代型号

型号 品牌 替代类型 描述 数据表
UCC27512DRST TI

完全替代

Single-Channel High-Speed Low-Side Gate Driver (with 4-A Peak Source and 8-A Peak Sink)
UCC27512MDRSTEP TI

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