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AW3611 Datasheet Preview

AW3611 Datasheet

A Synchronous Boost Converter

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AW3611
March 2018 V1.2
A Synchronous Boost Converter with Adjustable Output
Voltage
FEATURES
DESCRIPTION
Input Voltage Range: 2.8V to 4.5V
The AW3611 is a Large current, High-efficiency
l
Adjustable Output Voltage: (VIN+0.5V) to 5.5V
IOUT1.1A at VOUT=5V, VIN3.3V (mode 3)
Up to 92% Efficiency
tia synchronous Boost regulator with adjustable
output voltage. The AW3611 use PWM peak
current mode control method, in Continuous
Conduction Mode (CCM), operate at 2MHz to
reduce external device size, save more PCB
Light Load Burst Mode
Three External Components: 1μH Inductor, Input/
Output Capacitors (Figure 1)
Over Voltage, Short-circuit Protection
True Load Disconnect During Shutdown
2mm x 2mm, DFN-8pin Package
APPLICATION
area. At light load condition, the chip will enter
Burst mode automatically to realize high
n efficiency in all load range.
The AW3611 added input peak current limit
e value adjustable by 1-wire pulse function for
Charge banks application, to adjust the
maximum load ability. The bulk switch circuit is
d integrated to isolate the input port and output
fi port, prevent current from VOUT to VIN.
Cell Phones, Smart Phones, PADs, Wearable
n Power Bank
o USB On-The-Go Device
AW3611 can adjust the output voltage by
applying external resistors to FB pin. Otherwise,
FB should be grounded and the VOUT would be
set to 5V for default.
The AW3611 available in a tiny DFN 8pin
Digital Camera
C
package.
ic TYPICAL APPLICATION CIRCUIT
L1
SW
Vin
inCin
10μF
1μH
VOUT
VIN
AW3611
Cout
22μF
Vout
SYSTEM
LOAD
aw ……
FB
EN
PGND
Figure 1 AW3611 adopts internal divider resistors(5V output) by set FB grounded
All trademarks are the property of their respective owners.
www.awinic.com.cn
1 Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD




AWINIC

AW3611 Datasheet Preview

AW3611 Datasheet

A Synchronous Boost Converter

No Preview Available !

AW3611
March 2018 V1.2
PIN CONFIGURATION AND TOP MARKING
AW3611 TOP VIEW
EN 1
8 FB
AW3611 MARKING
TOP VIEW
AGND 2
9
Exposed
pad
7 VOUT
l
PGND 3
SW 4
PIN DEFINITION
6 VOUT
5 VIN
ia AW3611——AW3611DNR
nt XXXXProduction Tracking Code
No.
1
2
3
Symbol
EN
AGND
PGND
e Description
Enable. When this pin is HIGH, the circuit is enabled. A 1.35MΩ pull-down
fid resistor is integrated.
Analog Ground. Should be connected to PGND.
Power Ground. This is the power return for the IC, COUT capacitor should be
returned with the shortest path possible to these pins
4
5
SW
VIN
n Switching Node, Connected to inductor.
Power Supply, Connect directly to CIN
6, 7
8
9
VOUT
FB
Exposed Pad
o Output terminal, Should be bypassed with a COUT capacitor
Feedback terminal. VFB would be regulated to 1V by the chip if external
C resistors be adopts. Otherwise, this pin should be connected to ground.
Should be connected to AGND and PGND.
ic ORDERING INFORMATION
in Part Number Temperature
AW3611DNR -40℃~85
Package
DFN-8L,
2mm x 2mm
aw
AW3611
Moisture
Marking Sensitivity
Level
3611
XXXX
MSL1
Shipping
R: Tape & Reel
Package Type
DN: DFN
Environmental
Information
RoHS+HF
Delivery
Form
3000 units/
Tape and
Reel
www.awinic.com.cn
2 Copyright © 2018 SHANGHAI AWINIC TECHNOLOGY CO., LTD


Part Number AW3611
Description A Synchronous Boost Converter
Maker AWINIC
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AW3611 Datasheet PDF






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