UCC27211A-Q1

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)

• 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

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

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

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

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)

• 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