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UCC27511A Datasheet Preview

UCC27511A Datasheet

Single-Channel High-Speed Low-Side Gate Driver

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UCC27511A
SLUSD95 – MARCH 2018
UCC27511A Single-Channel High-Speed Low-Side Gate Driver
With 4-A Peak Source and 8-A Peak Sink
1 Features
1 Input Pins Capable of Withstanding –5 V Below
GND pin
• Low-Cost Gate-Driver Device Offering Superior
Replacement of NPN and PNP Discrete Solutions
• Strong Sink Current Offers Enhanced Immunity
Against Miller Turnon
• Split Output Configuration (Allows Easy and
Independent Adjustment of Turnon and Turnoff
Speeds)
• 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)
• Wide Hysteresis (1-V typical) 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
• Input Pin Absolute Maximum Voltage Levels Not
Restricted by VDD Pin Bias Supply Voltage
2 Applications
• Switch-Mode Power Supplies
• DC-to-DC Converters
• Companion Gate-Driver Devices for Digital Power
Controllers
• Solar Power, Motor Control, UPS
• Gate Driver for Emerging Wide Band-Gap Power
Devices (such as GaN)
3 Description
The UCC27511A device is a compact gate driver that
offers superior replacement of NPN and PNP discrete
driver (buffer circuit) solutions. The
UCC27511Asingle-channel low-side, high-speed gate
driver rated for MOSFETs, IGBTs, and emerging
wide-bandgap power devices such as GaN. The
device features fast rise times, fall times, and
propagation delays, making the UCC27511A device
suitable for high-speed applications. Its asymmetrical
4-A peak source and 8-A peak sink currents boost
immunity against parasitic Miller turnon effect. The
split output configuration enables easy and
independent adjustment of rise and fall times using
only two resistors and eliminating the need for an
external diode. Features including wide input
hysteresis and negative input voltage handling
enhance transient immunity.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
UCC27511A
SOT-23 (6)
2.90 mm × 1.60 mm
(1) For all available packages, see the orderable addendum at
the end of the datasheet.
4 Typical Application Diagrams
Non-Inverting Input
VDD
4.5 V to 18 V
C2 V(SOURCE)
V(IN+)
UCC27511A
6 IN+
VDD 1
5 IN±
OUTH 2
4 GND
OUTL 3
R1
R2
L1
D1
Q1
VO
+
C1
Inverting Input
VDD
4.5 V to 18 V
C2 V(SOURCE)
UCC27511A
6 IN+
VDD 1
V ,1±
5 IN±
OUTH 2
R1
4 GND
OUTL 3
R2
L1
D1
Q1
VO
+
C1
Copyright © 2018, Texas Instruments Incorporated
1
Copyright © 2018, Texas Instruments Incorporated
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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UCC27511A Datasheet Preview

UCC27511A Datasheet

Single-Channel High-Speed Low-Side Gate Driver

No Preview Available !

UCC27511A
SLUSD95 – MARCH 2018
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Typical Application Diagrams .............................. 1
5 Revision History..................................................... 2
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 4
7.1 Absolute Maximum Ratings ...................................... 4
7.2 Handling Ratings....................................................... 4
7.3 Recommended Operating Conditions....................... 4
7.4 Thermal Information .................................................. 4
7.5 Electrical Characteristics........................................... 5
7.6 Switching Characteristics .......................................... 6
7.7 Typical Characteristics .............................................. 8
8 Detailed Description ............................................ 11
8.1 Overview ................................................................. 11
8.2 Functional Block Diagram ....................................... 12
8.3 Feature Description................................................. 12
8.4 Device Functional Modes........................................ 17
9 Application and Implementation ........................ 18
9.1 Application Information............................................ 18
9.2 Typical Application ................................................. 19
10 Power Supply Recommendations ..................... 24
11 Layout................................................................... 24
11.1 Layout Guidelines ................................................. 24
11.2 Layout Example .................................................... 25
12 Device and Documentation Support ................. 26
12.1 Receiving Notification of Documentation Updates 26
12.2 Community Resources.......................................... 26
12.3 Trademarks ........................................................... 26
12.4 Electrostatic Discharge Caution ............................ 26
12.5 Glossary ................................................................ 26
13 Mechanical, Packaging, and Orderable
Information ........................................................... 26
5 Revision History
DATE
March 2018
REVISION
*
NOTES
Initial release.
2 Submit Documentation Feedback
Product Folder Links: UCC27511A
Copyright © 2018, Texas Instruments Incorporated


Part Number UCC27511A
Description Single-Channel High-Speed Low-Side Gate Driver
Maker etcTI
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