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SGM6623 Datasheet Preview

SGM6623 Datasheet

Miniature Boost Converter

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SGM6623
4.4A, Miniature Boost Converter
GENERAL DESCRIPTION
The SGM6623 is a general-purpose miniature boost
DC/DC switching regulator with high-efficiency for
battery-backup and standby power systems. The
acceptable input voltage range is between 0.8V and
12V that can be converted to a regulated 3.3V to 13V
output voltage with efficiency as high as 90%. SGM6623
can be used as backup charger for systems with 1- to
4-cell batteries. It operates at a 600kHz nominal
switching frequency, allowing the use of small and
low-profile inductor for compact design. It also has several
built-in protection features, such as cycle-by-cycle over-
current limit, soft-start, thermal shutdown and open loop
over-voltage protection.
The SGM6623 is available in a Green SOT-23-6 package.
FEATURES
0.8V to 12V Input Voltage Range
3.3V to 13V Wide Output Voltage Range
4.4A Current Limited Integrated Switch
Up to 90% Efficiency
600kHz Nominal Fixed Switching Frequency with
Pulse Skipping at Light Loads
Built-In Soft-Start Function
Open Loop Over-Voltage Protection
Enable Input Pin
47μA Typical Quiescent Current (to VS Pin)
0.4μA Typical Supply Current in Shutdown
Available in a Green SOT-23-6 Package
APPLICATIONS
Cell Phones
Portable Equipment
Hand-Held Instruments
1-, 2-, 3- or 4-Cell Battery Systems
TYPICAL APPLICATION
VIN
0.8V to 12V
CIN
4.7μF
L
3.3μH
SW
VOUT
D1
12V/200mA
COUT
100μF
ON
VS
OFF
EN
SGM6623
FB
GND
R1
88.7kΩ
R2
10kΩ
VIN
0.8V to 12V
CIN
4.7μF
OFF
VVS
3V to 12V
L
3.3μH
SW
ON
EN
SGM6623
VS
FB
CVS
1μF
GND
VOUT
D1
12V/200mA
COUT
100μF
R1
88.7kΩ
R2
10kΩ
Figure 1. Typical Application Circuits
SG Micro Corp
www.sg-micro.com
JULY 2020 – REV. A. 2




SG Micro

SGM6623 Datasheet Preview

SGM6623 Datasheet

Miniature Boost Converter

No Preview Available !

SGM6623
4.4A, Miniature Boost Converter
PACKAGE/ORDERING INFORMATION
MODEL
SGM6623
PACKAGE
DESCRIPTION
SOT-23-6
SPECIFIED
TEMPERATURE
RANGE
-40to +85
ORDERING
NUMBER
SGM6623YN6G/TR
PACKAGE
MARKING
CB4XX
PACKING
OPTION
Tape and Reel, 3000
MARKING INFORMATION
NOTE: XX = Date Code.
YYY X X
Date Code - Week
Date Code - Year
Serial Number
Green (RoHS & HSF): SG Micro Corp defines "Green" to mean Pb-Free (RoHS compatible) and free of halogen substances. If
you have additional comments or questions, please contact your SGMICRO representative directly.
ABSOLUTE MAXIMUM RATINGS
Voltages on EN and FB ....................................... -0.3V to 6V
Voltages on SW and VS ................................. -0.3V to 14.5V
Package Thermal Resistance
SOT-23-6, θJA .......................................................... 190/W
Junction Temperature .................................................+150
Storage Temperature Range........................ -65to +150
Lead Temperature (Soldering, 10s) ............................+260
ESD Susceptibility
HBM............................................................................. 3000V
CDM ............................................................................ 1000V
RECOMMENDED OPERATING CONDITIONS
Operating Ambient Temperature Range ........ -40to +85
Operating Junction Temperature Range...... -40to +125
OVERSTRESS CAUTION
Stresses beyond those listed in Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to
absolute maximum rating conditions for extended periods
may affect reliability. Functional operation of the device at any
conditions beyond those indicated in the Recommended
Operating Conditions section is not implied.
ESD SENSITIVITY CAUTION
This integrated circuit can be damaged by ESD if you don’t
pay attention to ESD protection. SGMICRO recommends that
all integrated circuits be handled with appropriate precautions.
Failure to observe proper handling and installation procedures
can cause damage. ESD damage can range from subtle
performance degradation to complete device failure. Precision
integrated circuits may be more susceptible to damage
because very small parametric changes could cause the
device not to meet its published specifications.
DISCLAIMER
SG Micro Corp reserves the right to make any change in
circuit design, or specifications without prior notice.
SG Micro Corp
www.sg-micro.com
JULY 2020
2



Part Number SGM6623
Description Miniature Boost Converter
Maker SG Micro
Total Page 3 Pages
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