D Floating Bootstrap or Ground-Reference
High-Side Driver
D Adaptive Dead-Time Control D 50-ns Max Rise/Fall Times With ...
D Floating Bootstrap or Ground-Reference
High-Side Driver
D Adaptive Dead-Time Control D 50-ns Max Rise/Fall Times With 3.3-nF Load D 2.4-A Typical Output Current D 4.5-V to 15-V Supply
Voltage Range D TTL-Compatible Inputs D Internal Schottky Bootstrap Diode D SYNC Control for Synchronous or
Nonsynchronous Operation
D CROWBAR for OVP, Protects Against
Faulted High-Side Power FETs
D Low Supply Current....3 mA Typical D Ideal for High-Current Single or Multiphase
Power Supplies
D −40°C to 125°C Operating Virtual Junction
Temperature Range
D Available in SOIC and TSSOP PowerPAD
Packages
TPS2834, TPS2835 SYNCHRONOUSĆBUCK
MOSFET DRIVERS
WITH DEADĆTIME CONTROL
SLVS223B − NOVEMBER 1999 − REVISED AUGUST 2002
D PACKAGE (TOP VIEW)
ENABLE IN
CROWBAR NC
SYNC DT
PGND
1 2 3 4 5 6 7
14 BOOT 13 NC 12 HIGHDR 11 BOOTLO 10 LOWDR 9 NC 8 VCC
ENABLE IN
CROWBAR NC
SYNC DT
PGND
PWP PACKAGE (TOP VIEW)
1 14
2 13
3 12
4
Thermal Pad
11
5 10
69
78
NC − No internal connection
BOOT NC HIGHDR BOOTLO LOWDR NC VCC
description
The TPS2834 and TPS2835 are
MOSFET drivers for synchronous-buck power stages. These devices are ideal for designing a high-performance power supply using switching controllers that do not include on-chip
MOSFET drivers. The drivers are designed to deliver minimum 2-A peak currents into large capacitive loads. The high-side driver can be configured as ground-reference or as floating-bootstrap. An adaptive dead-time control circuit eliminates shoot-through currents thro...