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UCC27211

High-Side and Low-Side Gate Driver

The UCC27211 is a high-side and low-side gate driver from Texas Instruments. View the full UCC27211 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official UCC27211 datasheet (PDF) — the source this page was extracted from.

UCC27211 Key Specifications

ParameterValue
Channel TypeIndependent
Current - Peak Output (Source, Sink)4A, 4A
DigiKey ProgrammableNot Verified
Driven ConfigurationHalf-Bridge
Gate TypeMOSFET (N-Channel)
High Side Voltage - Max (Bootstrap)120 V
Input TypeNon-Inverting
Logic Voltage - VIL, VIH1.3V, 2.7V
Mounting TypeSurface Mount
Number of Drivers2
Operating Temperature-40°C ~ 140°C (TJ)
Package / Case8-VDFN Exposed Pad
Rise / Fall Time (Typ)7.2ns, 5.5ns
Supplier Device Package8-VSON (4x4)
Supply Voltage8V ~ 17V

UCC27211 Overview

Part: UCC27211A

Type: High-Side and Low-Side Gate Driver

Description: 120-V boot, 4-A peak sink and source high-frequency high-side and low-side driver for two N-channel MOSFETs with independent inputs.

Operating Conditions:

  • Supply voltage: 8 to 17 V
  • Operating temperature: -40 to 140 °C
  • High-side source voltage (VHS): -1 to 105 V

Absolute Maximum Ratings:

  • Max supply voltage: 20 V
  • Max junction/storage temperature: 150 °C

Key Specs:

  • Peak pullup current: 3.7 A typ (HO, LO, V = 0 V)
  • Peak pulldown current: 4.5 A typ (HO, LO, V = 12 V)
  • VDD quiescent current: 0.085 mA typ, 0.17 mA max (VLI = VHI = 0 V)
  • Input threshold voltage (rising): 2.3 V typ, 2.7 V max (TJ = -40°C to 140°C)
  • Input threshold voltage (falling): 1.6 V typ, 1.3 V min (TJ = -40°C to 140°C)
  • VDD turnon UVLO threshold: 7 V typ (6.2 V min, 7.8 V max)
  • Output rise time: 7.2 ns typ (CLOAD = 1000 pF, 10% to 90%)
  • Output fall time: 5.5 ns typ (CLOAD = 1000 pF, 90% to 10%)
  • Propagation delay: 20 ns typ (rising), 16 ns typ (falling) (CLOAD = 0)

Features:

  • Drives two N-channel MOSFETs in high-side and low-side configuration with independent inputs
  • 120-V DC maximum bootstrap voltage with on-chip bootstrap diode
  • 4-A sink and 4-A source output currents
  • 0.9-Ω pullup and pulldown resistance
  • Input pins tolerate -10 V to +20 V independent of supply voltage range
  • TTL-compatible inputs with increased hysteresis
  • Symmetrical undervoltage lockout for high-side and low-side drivers
  • Negative voltage handling on switching node HS (-18 V max, repetitive pulse)

Applications:

  • Power supplies for telecom, datacom, and merchant
  • Half-bridge and full-bridge converters
  • Push-pull converters
  • High-voltage synchronous-buck converters
  • Two-switch forward converters
  • Active-clamp forward converters
  • Class-D audio amplifiers

Package:

  • 8-pin SOIC (4.90 mm × 3.91 mm)
  • 8-pin VSON (4.00 mm × 4.00 mm)
  • 10-pin SON (4.00 mm × 4.00 mm)

UCC27211 Applications

  • 1 · Drives Two N-Channel MOSFETs in High-Side and Low-Side Configuration With Independent Inputs
  • Maximum Boot Voltage 120-V DC
  • 4-A Sink, 4-A Source Output Currents
  • 0.9Ω Pullup and Pulldown Resistance
  • Input Pins Can Tolerate -10 V to +20 V and are Independent of Supply Voltage Range
  • TTL or Pseudo-CMOS Compatible Input Versions
  • 8-V to 17-V VDD Operating Range, (20-V ABS MAX)
  • 7.2-ns Rise and 5.5-ns Fall Time With 1000-pF Load
  • Fast Propagation Delay Times (20-ns typical)
  • 4-ns Delay Matching
  • Symmetrical Undervoltage Lockout for High-Side and Low-Side Driver
  • All Industry Standard Packages Available
  • -SOIC-8
  • -4-mm × 4-mm SON-8
  • -4-mm × 4-mm SON-10
  • Specified from -40 to +140°C

UCC27211 Pin Configuration

UCC27211 Electrical Characteristics

VDD = VHB = 12 V, VHS = VSS = 0 V, no load on LO or HO, TA = TJ = -40°C to 140°C, (unless otherwise noted)

PARAMETERPARAMETERTEST CONDITIONMINTYPMAXUNIT
SUPPLY CURRENTSSUPPLY CURRENTSSUPPLY CURRENTSSUPPLY CURRENTSSUPPLY CURRENTSSUPPLY CURRENTSSUPPLY CURRENTS
I DDV DD quiescent currentV(LI) = V(HI) = 0 V0.050.0850.17mA
I DDOV DD operating currentf = 500 kHz, C = 02.12.66.5mA
Boot voltage quiescentLOAD2.12.56.5mA
I HBcurrentV(LI) = V(HI) = 0 V0.0150.0650.1mA
I HBOBoot voltage operating currentf = 500 kHz, C LOAD = 01.52.55.1mA
I HBSHB to V SS quiescent currentV(HS) = V(HB) = 115 V0.00051μA
I HBSOHB to V SS operating currentf = 500 kHz, C LOAD = 00.071.2mA
INPUTINPUTINPUTINPUTINPUTINPUTINPUT
V HITInput voltage threshold1.92.32.7V
V LITInput voltage threshold1.31.61.9V
V IHYSInput voltage hysteresis700mV
R INInput pulldown resistance68k Ω
UNDER-VOLTAGE LOCKOUT (UVLO)UNDER-VOLTAGE LOCKOUT (UVLO)UNDER-VOLTAGE LOCKOUT (UVLO)UNDER-VOLTAGE LOCKOUT (UVLO)UNDER-VOLTAGE LOCKOUT (UVLO)UNDER-VOLTAGE LOCKOUT (UVLO)UNDER-VOLTAGE LOCKOUT (UVLO)
V DDRV DD turnon threshold6.277.8V
V DDHYSHysteresis0.5V
V HBRV HB turnon threshold5.66.77.9V
V HBHYSHysteresis1.1V
BOOTSTRAP DIODEBOOTSTRAP DIODEBOOTSTRAP DIODEBOOTSTRAP DIODEBOOTSTRAP DIODEBOOTSTRAP DIODEBOOTSTRAP DIODE
V FLow-current forward voltageI VDD-HB = 100 μA0.650.8V
V FIHigh-current forward voltageI VDD-HB = 100 mA0.850.95V
R DDynamic resistance, Δ VF/ Δ II VDD-HB = 100 mA and 80 mA0.30.50.85Ω
LO GATE DRIVERLO GATE DRIVERLO GATE DRIVERLO GATE DRIVERLO GATE DRIVERLO GATE DRIVERLO GATE DRIVER
V LOLLow-level output voltageI LO = 100 mA0.050.10.19V
V LOHHigh level output voltageI LO = -100 mA, V LOH = V DD - V LO0.10.160.29V
Peak pull-up current (1)V LO = 0 V3.7A
Peak pull-down current (1)V LO = 12 V4.5A
HO GATE DRIVERHO GATE DRIVERHO GATE DRIVERHO GATE DRIVERHO GATE DRIVERHO GATE DRIVERHO GATE DRIVER
V HOLLow-level output voltageI HO = 100 mA0.050.10.19V
V HOHHigh-level output voltageI HO = -100 mA, V HOH = V HB - V HO0.10.160.29V
Peak pull-up current (1)V HO = 0 V3.7A
Peak pull-down current (1)V HO = 12 V4.5A

VDD = VHB = 12 V, VHS = VSS = 0 V, no load on LO or HO, TA = TJ = -40°C to 140°C, (unless otherwise noted)

UCC27211 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted) (1)

MINMAXUNIT
Supply voltage range, V DD (2) , V HB - V HSSupply voltage range, V DD (2) , V HB - V HS-0.320V
Input voltages on LI and HI, V LI , V HIInput voltages on LI and HI, V LI , V HI-1020V
Output voltageDC-0.3V DD + 0.3V
Output voltageRepetitive pulse < 100 ns (3)-2V DD + 0.3V
Output voltageDCV HS - 0.3V HB + 0.3V
Output voltageRepetitive pulse < 100 ns (3)V HS - 2V HB + 0.3V
VoltageDC-1115V
VoltageRepetitive pulse < 100 ns (3)-(24 V - VDD)115V
Voltage on HB, V HBVoltage on HB, V HB-0.3120V
Operating virtual junction temperature range, T JOperating virtual junction temperature range, T J-40150°C
Storage temperature, T STGStorage temperature, T STG-65150°C

all voltages are with respect to V SS; currents are positive into and negative out of the specified terminal. -40°C < T J = TA < 140°C (unless otherwise noted)

MINNOMMAXUNIT
Supply voltage range, V DD , V HB - V HS81217V
Voltage on HS, V HS-1105V
Voltage on HS, V HS (repetitive pulse < 100 ns)-(24 V - VDD)110V
Voltage on HB, V HBV HS + 8, V DD - 1V HS + 17, 115V
Voltage slew rate on HS50V/ns
Operating junction temperature-40140°C

UCC27211 Thermal Information

THERMAL METRIC (1)UCC27211A - D (SOIC) - 8 PINSUCC27211A - DRM (SON) - 8 PINSUNIT
R θ JAJunction-to-ambient thermal resistance111.837.7°C/W
R θ JC(top)Junction-to-case (top) thermal resistance56.947.2°C/W
R θ JBJunction-to-board thermal resistance53.09.6°C/W
ψ JTJunction-to-top characterization parameter7.82.8°C/W
ψ JBJunction-to-board characterization parameter52.39.4°C/W
R θ JC(bot)Junction-to-case (bottom) thermal resistancen/a3.6°C/W

UCC27211 Typical Application

  • Power Supplies for Telecom, Datacom, and Merchant
  • Half-Bridge and Full-Bridge Converters
  • Push-Pull Converters
  • High Voltage Synchronous-Buck Converters
  • Two-Switch Forward Converters
  • Active-Clamp Forward Converters
  • Class-D Audio Amplifiers

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
UCC27211ATexas InstrumentsVSON-8 4.0x4.0mm
UCC27211A-Q1Texas Instruments—
UCC27211ADTexas InstrumentsSOIC-8
UCC27211ADRTexas InstrumentsSOIC-8
UCC27211ADRMRTexas Instruments8-VDFN Exposed Pad
UCC27211ADRMTTexas Instruments8-VDFN Exposed Pad

Other Integrated Circuits

All Integrated Circuits datasheetsAll Texas Instruments datasheets (2,434)

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