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UCC27201D-UCC27201DDA-UCC27201DG4-UCC27201DR-UCC27201DRMR-UCC27201DRMT
120V Boot, 3-A Peak, High Frequency, High-Side/Low-Side Driver 8-SOIC -40 to 140
12 V
VDD
VSS
Secondary
Side
Circuit
UCC2720x
Low
Drive
High
PWM
Control
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UCC27200, UCC27201SLUS746C –DECEMBER 2006–REVISED APRIL 2016
UCC2720x, 120-V Boot, 3-A Peak, High Frequency, High-Side and Low-Side Driver Features Drives Two N-Channel MOSFETsin High-Side
and Low-Side Configuration Negative Voltage Handlingon HS (–5V) Maximum Boot Voltageof 120V Maximum VDD Voltage On-Chip 0.65-V VF, 0.6-Ω Greater than1 MHzof 20-ns Propagation Delay 3-A Sink and 3-A Source 8-ns Rise and 7-ns Fall 1-ns Delay Matching Undervoltage Lockout
Driver Specified from –40°C
Applications Power Supplies for Telecom,
Merchant Markets Half-Bridge Applications and Full-Bridge
Converters Isolated Bus Architecture Two-Switch Forward Converters Active-Clamp Forward Converters High-Voltage Synchronous-Buck Converters Class-D Audio Amplifiers
DescriptionThe UCC2720x familyof high-frequency N-channel
MOSFET drivers includea 120-V bootstrap diode and
high-side and low-side drivers with independent
inputs for maximum control flexibility. This allows for
N-channel MOSFET control
two-switch forward,
converters. The low-side gate
drivers are independentlytons between the turnon on-chip bootstrap diode
discrete diodes. Undervoltage for
both the high-side and the the
outputs lowif the drive
Simplified Application
