AOZ5636QI Module Datasheet

AOZ5636QI Datasheet, PDF, Equivalent


Part Number

AOZ5636QI

Description

High-Performance DrMos Power Module

Manufacture

Alpha & Omega Semiconductors

Total Page 15 Pages
Datasheet
Download AOZ5636QI Datasheet


AOZ5636QI
AOZ5636QI
High-Current, High-Performance
DrMos Power Module
General Description
The AOZ5636QI 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 is optimized
to achieve low capacitance and gate charge for fast
switching with low duty cycle operation. The Low-Side
MOSFET has ultra low ON resistance to minimize
conduction loss.
The AOZ5636QI uses a PWM input for accurate control
of the power MOSFETs switching activities, is compatible
with 3V and 5V (CMOS) logic and supports Tri-State
PWM.
A number of features are provided making the
AOZ5636QI a highly versatile power module. The boot-
strap switch is integrated in the driver. The Low-Side
MOSFET can be driven into diode emulation mode to
provide asynchronous operation and improve light-load
performance. The pin-out is also optimized for low para-
sitics, keeping their effects to a minimum.
Features
4.5V to 20V power supply range
4.5V to 5.5V driver supply range
50A continuous output current
- Up to 70A with 10ms ON pulse
- Up to 110A with 10us ON pulse
Up to 2MHz switching operation
3V / 5V PWM / Tri-State input compatible
Under-Voltage Lockout protection
SMOD# control for Diode Emulation / CCM operation
Low Profile 5x5 QFN-31L package
Applications
Memory and graphic cards
VRMs for motherboards
Point of load DC/DC converters
Video gaming console
Typical Application
VCC
VIN
BOOT
4.5V ~ 20V
THWN
PWM
Controller
DISB#
SMOD#
Driver
Logic
and
Delay
PWM
AGND
CVCC
5V
VCC
HS
Driver
LS
Driver
PVCC
PGND
CPVCC
CBOOT
VSWH
GL
CIN
L1
VOUT
COUT
PGND
Rev. 1.0 November 2018
www.aosmd.com
Page 1 of 15

AOZ5636QI
AOZ5636QI
Ordering Information
Part Number
AOZ5636QI
Ambient Temperature Range
-40°C to +125°C
Package
QFN5x5-31L
Environmental
RoHS
All AOS products are offered in packages with Pb-free plating and compliant to RoHS standards.
Please visit www.aosmd.com/media/AOSGreenPolicy.pdf for additional information.
Pin Configuration
31 30 29 28 27 26 25 24
PWM 1
SMOD# 2
VCC 3
AGND 4
BOOT 5
NC 6
PHASE 7
VIN 8
PGND
VIN
GL
PGND
23 VSWH
22 VSWH
21 VSWH
20 VSWH
19 VSWH
18 VSWH
17 VSWH
16 VSWH
9 10 11
12 13 14 15
QFN5x5-31L
(Top View)
Rev. 1.0 November 2018
www.aosmd.com
Page 2 of 15


Features AOZ5636QI High-Current, High-Performance DrMos Power Module General Descriptio n The AOZ5636QI is a high efficiency sy nchronous buck power stage module consi sting of two asymmetrical MOSFETs and a n integrated driver. The MOSFETs are in dividually optimized for operation in t he synchronous buck configuration. The High-Side MOSFET is optimized to achiev e low capacitance and gate charge for f ast switching with low duty cycle opera tion. The Low-Side MOSFET has ultra low ON resistance to minimize conduction l oss. The AOZ5636QI uses a PWM input for accurate control of the power MOSFETs switching activities, is compatible wit h 3V and 5V (CMOS) logic and supports T ri-State PWM. A number of features are provided making the AOZ5636QI a highly versatile power module. The bootstrap s witch is integrated in the driver. The Low-Side MOSFET can be driven into diod e emulation mode to provide asynchronou s operation and improve light-load perf ormance. The pin-out is also optimized for low parasitics, keep.
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