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UCC27611DRVT

更新时间： 2024-02-10 21:57:44
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4-A and 6-A High-Speed 5-V Drive, Optimized Single-Gate Driver

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UCC27611DRVT 数据手册

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UCC27611  
www.ti.com  
SLUSBA5A –DECEMBER 2012  
4-A and 6-A High-Speed 5-V Drive, Optimized Single-Gate Driver  
Check for Samples: UCC27611  
1
FEATURES  
APPLICATIONS  
•
Enhancement Mode Gallium Nitride FETs  
(eGANFETs)  
•
•
•
•
•
Switch-Mode Power Supplies  
DC-to-DC Converters  
•
•
•
4.0-V to 18-V Single Supply Range VDD Range  
Drive Voltage VREF Regulated to 5 V  
Synchronous Rectification  
Solar Inverters, Motor Control, UPS  
Envelope Tracking Power Supplies  
4-A Peak Source and 6-A Peak Sink Drive  
Current  
•
•
1-Ω and 0.35-Ω Pull-Up and Pull-Down  
Resistance (maximize high slew-rate dV and dt  
immunity)  
DESCRIPTION  
The UCC27611 is a single-channel, high-speed, gate  
driver optimized for 5-V drive, specifically addressing  
enhancement mode GaN FETs. The drive voltage  
VREF is precisely controlled by internal linear  
regulator to 5 V. The UCC27611 offers asymmetrical  
rail-to-rail peak current drive capability with 4-A  
source and 6-A sink. Split output configuration allows  
individual turn-on and off time optimization depending  
on FET. Package and pinout with minimum parasitic  
inductances reduce the rise and fall time and limit the  
ringing. Additionally, the short propagation delay with  
minimized tolerances and variations allows efficient  
operation at high frequencies. The 2-Ω and 0.3-Ω  
pull-up and pull-down resistance boosts immunity to  
hard switching with high slew rate dV and dt.  
Split Output Configuration (allows turn-on and  
off optimization for individual FETs)  
•
•
Fast Propagation Delays (14-ns typical)  
Fast Rise and Fall Times (9-ns and 4-ns  
typical)  
•
•
TTL and CMOS Compatible Inputs  
(independent of supply voltage allow easy  
interface to digital and analog controllers)  
Dual Input Design offering Drive Flexibility  
(both inverting and non-inverting  
configurations)  
•
•
•
Output Held Low when Inputs are Floating  
VDD Under Voltage Lockout (UVLO)  
The independence from VDD input signal thresholds  
ensure TTL and CMOS low-voltage logic  
compatibility. For safety reason when the input pins  
are in a floating condition, the internal input pull-up  
and down resistors hold the output LOW. Internal  
circuitry on VREF pin provides an under voltage  
lockout function that holds output LOW until VREF  
supply voltage is within operating range. UCC27611  
is offered in a small 2 mm x 2 mm WSON-6 package  
(DRV) with exposed thermal and ground pad which  
improves the package power handling capability. The  
UCC27611 operates over wide temperature range  
from -40°C to 140°C.  
Optimized Pinout Compatible with eGANFET  
Footprint for Easy Layout  
•
•
2 mm x 2 mm WSON-6 Package with Exposed  
Thermal and Ground Pad, (minimized parasitic  
inductances to reduce gate ringing)  
Operating Temperature Range of -40°C to  
140°C  
Typical Application Diagram  
Non-Inverting Input  
Inverting Input  
4.5 V to 18  
VDD  
V
4.5 V to 18 V  
VREF  
VREF  
VSOURCE  
VSOURCE  
VDD  
C3  
C3  
C2  
C2  
L1  
L1  
UCC27611  
UCC27611  
D1  
D1  
1
2
3
VDD  
VREF  
OUTH  
OUTL  
6
5
4
VOUT  
1
2
3
VDD  
VREF  
OUTH  
OUTL  
6
5
4
VOUT  
Q1  
Q1  
R1  
R1  
IN-  
IN-  
IN-  
+
+
C1  
R2  
R2  
C1  
IN+  
IN+  
VREF  
IN+  
GND  
7
GND  
7
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, Texas Instruments Incorporated  
 
 
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UCC27611DRVT 替代型号

型号 品牌 替代类型 描述 数据表
UCC27611DRVR TI

完全替代

 4-A and 6-A High-Speed 5-V Drive, Optimized Single-Gate Driver

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UCC27624QDGNRQ1 TI

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具有 4V UVLO、30V VDD 和低传播延迟的汽车类 5A/5A 双通道栅极驱

UCC27624QDRQ1 TI

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UCC27710 TI

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