UCC27211

Part: UCC27211A — Texas Instruments

Type: High-Side and Low-Side Gate Driver

Description: The UCC27211A is a 120-V boot, 4-A peak, high-frequency high-side and low-side driver designed to drive two N-Channel MOSFETs in a half-bridge or full-bridge configuration, featuring 0.9 Ω pullup and pulldown resistance and fast propagation delays.

Operating Conditions:

• Supply voltage: 8–17 V
• Operating temperature: -40 to +140 °C
• Voltage on HS: -1 to 105 V
• Voltage slew rate on HS: 50 V/ns (max)

Absolute Maximum Ratings:

• Max supply voltage: 20 V
• Max input voltage on LI and HI: 20 V
• Max voltage on HB: 120 V
• Max operating virtual junction temperature: 150 °C
• Max storage temperature: 150 °C

Key Specs:

• Peak pull-up current (LO/HO): 3.7 A (typ, VLO/VHO = 0 V)
• Peak pull-down current (LO/HO): 4.5 A (typ, VLO/VHO = 12 V)
• Output pullup and pulldown resistance: 0.9 Ω
• VDD turnon threshold: 7 V (typ)
• Propagation delay (V LI/HI falling to V LO/HO falling): 16 ns (typ, C LOAD = 0)
• Propagation delay (V LI/HI rising to V LO/HO rising): 20 ns (typ, C LOAD = 0)
• LO/HO rise time: 7.2 ns (typ, C LOAD = 1000 pF)
• LO/HO fall time: 5.5 ns (typ, C LOAD = 1000 pF)
• Input voltage hysteresis: 700 mV (typ)

Features:

• Drives two N-Channel MOSFETs in high-side and low-side configuration with independent inputs
• Maximum boot voltage 120-V DC
• Input pins can tolerate -10 V to +20 V and are independent of supply voltage range
• TTL or Pseudo-CMOS compatible input versions
• Fast propagation delay times (20-ns typical)
• 4-ns delay matching
• Symmetrical Undervoltage Lockout for High-Side and Low-Side Driver
• On-chip 120-V rated bootstrap diode

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:

• SOIC (8) - 4.90 mm × 3.91 mm
• VSON (8) - 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

• 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

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)

1