 English |
|
|
|
|
|
|
|
| AOZ5007 Datasheet, PDF (1/16 Pages) Alpha & Omega Semiconductors – High-Current, High-Performance DrMOS Power Module | |||
| |||
|
AOZ5007
High-Current, High-Performance
DrMOS Power Module
General Description
The AOZ5007 is a high efficiency synchronous buck
power stage module consisting of two asymmetrical
MOSFETs and an integrated driver. The MOSFETs are
individually optimized for operation in the synchronous
buck configuration. The high side MOSFET has low
capacitance and gate charge for fast switching with low
duty cycle operation. The low side MOSFET has ultra low
RDS(ON) to minimize conduction losses.
The AOZ5007 is available with two PWM options.
AOZ5007QI is intended for use with TTL compatible
PWM inputs. AOZ5007QI-01 has lower thresholds on the
PWM signal and can operate with 3 V inputs. All other
parameters are identical for the two versions. Both
versions are tri-state compatible that allows both power
MOSFETs to be turned off.
A number of features are provided making the AOZ5007
a highly versatile power module. The boot supply diode is
integrated in the driver. The low side MOSFET can be
driven into diode emulation mode to provide
asynchronous operation when required. The pinout is
optimized for low inductance routing of the converter
keeping the parasitics and their effects to the minimum.
Features
ï¬ Fully complies with Intel DrMOS Rev 4.0 specifications
ï¬ 4.5 V to 25 V input voltage range
ï¬ 4.5 V to 5.5 V driver supply range
ï¬ Up to 50 A output current
ï¬ Up to 1.5 MHz PWM operation
ï¬ Tri state PWM input
ï¬ Undervoltage protection
ï¬ Integrated boot supply diode
ï¬ Diode Emulation mode of operation
ï¬ Thermal shutdown alarm with flag
ï¬ Small 6x6 QFN-40L package
Applications
ï¬ Servers
ï¬ Notebook computers
ï¬ VRMs for motherboards
ï¬ Point of load DC/DC converters
ï¬ Memory and graphic cards
ï¬ Video gaming consoles
Typical Application Circuit
+5V
PWM
Controller
CGND
VDRV
VCIN
PWM
SMOD
DISB
THDN
AOZ5007
Drive Logic
and
Dead Time
Control
VIN
BOOT
Cboot
VSWH
CGND
PGND
VIN
5V to 25V
Lout
VOUT
Cin
Cout
PGND
Rev. 1.1 October 2011
www.aosmd.com
Page 1 of 16
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese