AOZ6606PI Regulator Datasheet

AOZ6606PI Datasheet, PDF, Equivalent


Part Number

AOZ6606PI

Description

6A Synchronous Buck Regulator

Manufacture

Alpha & Omega Semiconductors

Total Page 16 Pages
Datasheet
Download AOZ6606PI Datasheet


AOZ6606PI
AOZ6606PI
EZBuckTM 6A Synchronous Buck Regulator
General Description
The AOZ6606PI works from 4.5V to 18V input voltage
range, and provides up to 6A of continuous output
current with an output voltage adjustable down to 0.8V.
The AOZ6606PI comes in EPAD-SO8 package and is
rated over a -40°C to +85°C operating ambient
temperature range.
Features
4.5V to 18V operating input voltage range
Synchronous Buck with internal low RDS(ON) (52m/
24m) high-side and low-side MOSFETs
External program soft start
U-PEM (pulse energy mode) enables 86% plus
efficiency with Io=10mA (Vin=12V, Vo=5V)
Adjacent pin short protection
Output voltage adjustable to 0.8V
6A continuous output current
600kHz PWM operation
Cycle-by-cycle current limit
Pre-bias start-up
Extensive protection features
EPAD-SO8 package
Applications
High reliable DC/DC converters
High performance LCD TV
High performance cable modems
Typical Application
VIN
CIN
CVCC
VIN VCC BST
EN
AOZ6606PI
COMP
LX
RC SS
CC CSS
GND
FB
RBST
CBST
L1
3.3H R1
R2
VOUT
COUT
Rev. 1.1 November 2018
Figure 1. 6A Synchronous Buck Regulator, Fs = 600kHz
www.aosmd.com
Page 1 of 15

AOZ6606PI
AOZ6606PI
Ordering Information
Part Number
AOZ6606PI
Ambient Temperature Range
-40°C to +85°C
Package
8-Pin EPAD SO
Environmental
Green Product
AOS Green Products use reduced levels of Halogens, and are also RoHS compliant.
Please visit www.aosmd.com/media/AOSGreenPolicy.pdf for additional information.
Pin Configuration
SS 1
EN 2
VIN 3
GND 4
8
7
LX
6
5
FB
COMP
VCC
BST
Pin Description
Pin Number
1
2
Pin Name
SS
EN
3 VIN
4 GND
5 BST
6 VCC
7 COMP
8
Exposed Pad
FB
LX
Pin Function
Soft Start Pin.
Enable pin. Logic high to enable the device.
Supply voltage input. When VIN rises above the UVLO threshold and EN is logic high, the
device starts up.
Power ground.
Bootstrap. Requires a capacitor connected between LX and BST to form a floating supply
across the high-side switch driver.
Internal LDO output.
External loop compensation pin. Connect a RC network between COMP and GND to com-
pensate the control loop.
Feedback input. The FB pin is used to set the output voltage via a resistive voltage divider
between the output and GND.
Switching node. LX is the drain of the internal low-side power FETs.
Rev. 1.1 November 2018
www.aosmd.com
Page 2 of 16


Features AOZ6606PI EZBuckTM 6A Synchronous Buck R egulator General Description The AOZ66 06PI works from 4.5V to 18V input volta ge range, and provides up to 6A of cont inuous output current with an output vo ltage adjustable down to 0.8V. The AOZ6 606PI comes in EPAD-SO8 package and is rated over a -40°C to +85°C operating ambient temperature range. Features 4.5V to 18V operating input voltage range  Synchronous Buck with interna l low RDS(ON) (52m/ 24m) high-sid e and low-side MOSFETs  External pro gram soft start  U-PEM (pulse energy mode) enables 86% plus efficiency with Io=10mA (Vin=12V, Vo=5V)  Adjacent pin short protection  Output voltage adjustable to 0.8V  6A continuous o utput current  600kHz PWM operation  Cycle-by-cycle current limit  Pr e-bias start-up  Extensive protectio n features  EPAD-SO8 package Applica tions  High reliable DC/DC converter s  High performance LCD TV  High performance cable modems Typical Application VIN CIN CVCC VIN VCC BST EN AOZ6606PI COMP LX RC.
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