1

2

3

5

4

VDD

GND

IN+

OUT

IN-

UCC27517A

Q1

IN+

4.5 V to 18 V

Non-Inverting Input

V+

C1

R1

1

2

3

5

4

VDD

GND

IN+

OUT

IN-

UCC27517A

Inverting Input

VIN-

Q1

R1

4.5 V to 18 V

V+

C1

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UCC27517A

SLUSBQ0C – AUGUST 2013 – REVISED AUGUST 2015

UCC27517A Single-Channel High-Speed Low-Side Gate Driver

with Negative Input Voltage Capability (with 4-A Peak Source and Sink)

1 Features

3 Description

The UCC27517A single-channel, high-speed, low-

1

•

Low-Cost Gate-Driver Device Offering Superior

side gate driver device is capable of effectively

Replacement of NPN and PNP Discrete Solutions

driving MOSFET and IGBT power switches. Using a

•

4-A Peak-Source and Sink Symmetrical Drive

design

that

inherently

minimizes

shoot-through

•

Ability to Handle Negative Voltages (-5 V) at

current, the UCC27517A is capable of sourcing and

sinking high peak-current pulses into capacitive loads

Inputs

offering rail-to-rail drive capability and extremely small

•

Fast Propagation Delays (13-ns typical)

propagation delay typically 13 ns.

•

Fast Rise and Fall Times (9-ns and 7-ns typical)

The UCC27517A device is capable of handling –5 V

•

4.5 to 18-V Single-Supply Range

at input.

•

Outputs Held Low During VDD UVLO (ensures

The UCC27517A provides 4-A source and 4-A sink

glitch-free operation at power up and power down)

(symmetrical drive) peak-drive current capability at

•

TTL and CMOS Compatible Input-Logic Threshold

VDD = 12 V.

(independent of supply voltage)

The UCC27517A is designed to operate over a wide

•

Hysteretic-Logic Thresholds for High-Noise

VDD range of 4.5 V to 18 V and wide temperature

Immunity

range of –40°C to 140°C. Internal Undervoltage

•

Dual Input Design (choice of an inverting (IN- pin)

Lockout (UVLO) circuitry on VDD pin holds output low

or non-inverting (IN+ pin) driver configuration)

outside VDD operating range. The capability to

operate at low voltage levels such as below 5 V,

–

Unused Input Pin can be Used for Enable or

along with best-in-class switching characteristics, is

Disable Function

especially suited for driving emerging wide band-gap

•

Output Held Low when Input Pins are Floating

power-switching

devices

such

as

GaN

power

•

Input Pin Absolute Maximum Voltage Levels Not

semiconductor devices.

Restricted by VDD Pin Bias Supply Voltage

Device Information(1)

•

Operating Temperature Range of –40°C to

PART NUMBER

PACKAGE

BODY SIZE (NOM)

+140°C

UCC27517A

SOT-23 (5)

2.90 mm × 1.60 mm

•

5-Pin DBV (SOT-23) Package Option

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

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)

Typical Application Diagrams

1

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.