SGM6603
90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
GENERAL DESCRIPTION
FEATURES
The SGM6603 is a constant frequency, current mode,
synchronous step-up switching regulator. Its output
currents can go as high as 75mA while using a
single-cell alkaline, and discharge it down to 0.9V. It
can also be used for generating 5V at 400mA from a
3.3V rail or a Li-Ion battery.
● 90% Efficient Synchronous Boost Converter
● Device Quiescent Current: 30µA (TYP)
● Less than 1μA Shutdown Current
● Input Voltage Range: 0.9V to 5.5V
● 3.3V and 5.0V Fixed Output Voltages
● Adjustable Output Voltage Up to 5.5V
High switching frequency minimizes the sizes of
inductor and capacitor. Integrated power MOSFETs
and internal compensation make the SGM6603 simple
to use and fit the total solution into a compact space.
● Output Voltage Clamping: 6V
● Power-Save Mode for Improved Efficiency at Low
Output Power
● Load Disconnect During Shutdown
For light load current, the SGM6603 enters into the
power-save mode to maintain high efficiency.
Anti-ringing control circuitry reduces EMI concerns by
damping the inductor in discontinuous mode. The
SGM6603 provides true output disconnect and this
allows VOUT to go to zero volt during shutdown without
drawing any current from the input source.
● Over-Temperature Protection
● Available in Green SOT-23-6 Package
● -40℃ to +85℃ Operating Temperature Range
APPLICATIONS
Single-Cell Li Battery Powered Products
The output voltage of SGM6603-ADJ can be
programmed by an external resistor divider, and those
of SGM6603-3.3/SGM6603-5.0 are fixed internally on
the chip. The device is available in SOT-23-6 package.
Portable Audio Players
Cellular Phones
Personal Medical Products
It operates over an ambient temperature range of -40℃
to +85℃.
TYPICAL APPLICATION
L1
4.7μH
1
6
Power
Supply
C1
10μF
SW
VOUT
VCC
SGM6603
3
5
EN
R1
FB
C2
10μF
Output voltage
can be adjusted
4
GND
R2
2
Figure 1. Typical Application Circuit
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FEBRUARY 2018 – REV. A. 3
90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
PACKAGE/ORDERING INFORMATION
MODEL
SGM6603
VOUT (V)
PACKAGE
DESCRIPTION
SPECIFIED
TEMPERATURE
RANGE
ORDERING
NUMBER
PACKAGE
MARKING
PACKING
OPTION
Adjustable
SOT-23-6
-40℃ to +85℃
SGM6603-ADJYN6G/TR
SC8XX
Tape and Reel, 3000
3.3
SOT-23-6
-40℃ to +85℃
SGM6603-3.3YN6G/TR
SC9XX
Tape and Reel, 3000
5.0
SOT-23-6
-40℃ to +85℃
SGM6603-5.0YN6G/TR
SCAXX
Tape and Reel, 3000
NOTE: XX = Date Code.
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.
MARKING INFORMATION
SYY X X
Date code - Month ("A" = Jan. "B" = Feb. … "L" = Dec.)
Date code - Year ("A" = 2010, "B" = 2011 …)
Chip I.D.
For example: SC8CA (2012, January)
ABSOLUTE MAXIMUM RATINGS
Input Voltage Range on SW, VOUT, VCC, FB, EN
............................................................................. -0.3V to 6V
Package Thermal Resistance
SOT-23-6, θJA .......................................................... 150℃/W
Junction Temperature .................................................+150℃
Storage Temperature Range ........................ -65℃ to +150℃
Lead Temperature (Soldering, 10s) ............................+260℃
ESD Susceptibility
HBM ............................................................................. 4000V
MM ................................................................................. 250V
RECOMMENDED OPERATING CONDITIONS
Operating Temperature Range ....................... -40℃ to +85℃
OVERSTRESS CAUTION
Stresses beyond those listed may cause permanent damage
to the device. Functional operation of the device at these or
any other conditions beyond those indicated in the operational
section of the specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
reliability.
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, specification or other related things if necessary
without notice at any time.
SG Micro Corp
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FEBRUARY 2018
2
90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
PIN CONFIGURATION
(TOP VIEW)
SW
1
6
VCC
GND
2
5
VOUT
EN
3
4
NC/FB
SOT-23-6
PIN DESCRIPTION
PIN
NAME
1
SW
2
GND
3
EN
Enable Input. (1/VCC enabled, 0/GND disabled)
NC
No Connect. It should be left floating. (SGM6603-3.3/SGM6603-5.0)
FB
Output Voltage Feedback Pin. Voltage feedback for programming the output voltage.
(SGM6603-ADJ)
4
5
VOUT
6
VCC
FUNCTION
Boost and Rectifying Switch Input.
Ground.
Boost Converter Output.
Boost Converter Supply Voltage.
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
ELECTRICAL CHARACTERISTICS
(Full = -40℃ to +85℃, typical values are at TA = +25℃, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
TEMP
MIN
Full
2.5
TYP
MAX
UNITS
5.5
V
DC/DC STAGE
Output Voltage Range
VOUT
RL = 3.3kΩ
Full
0.9
1.3
Minimum Input Voltage Range
for Start-Up
VIN
Input Voltage Range after Start-Up
VIN
+25℃
0.9
Feedback Voltage
VFB
Full
485
500
519
mV
Oscillator Frequency
f
Full
870
1200
1470
kHz
Switch Current Limit
ISW
Full
0.75
1.1
1.45
A
RL = 270Ω
Full
Start-Up Current Limit
1.1
1.4
300
+25℃
mA
Boost Switch-On Resistance
VOUT = 3.3V
Rectifying Switch-On Resistance
VOUT = 3.3V
Output Voltage Accuracy
VCC = 1.2V, IO = 10mA
Full
Line Regulation
VCC = 0.9V to VOUT - 0.5V, IO = 10mA
Full
0.1
+25℃
0.5
Full
0.1
1
VOUT = 3.3V
+25℃
30
45
VOUT = 5V
+25℃
33
55
Load Regulation
VCC
Quiescent Current
VEN = VCC = 1.2V,
IO = 0mA
VOUT
Shutdown Current
VEN = 0V, VCC = 1.2V
V
5.5
+25℃
480
mΩ
+25℃
600
mΩ
3.8
1
%
%
%
+25℃
1
0.9V ≤ VCC ≤ 1.8V
Full
0.12×VCC
1.8V < VCC ≤ 3 .3V
Full
0.5
3.3V < VCC ≤ 4.2V
Full
0.6
4.2V < VCC ≤ 5.0V
Full
0.9V ≤ VCC ≤ 1.8V
Full
0.8×VCC
1.8V < VCC ≤ 3 .3V
Full
2
3.3V < VCC ≤ 4.2V
Full
2.4
4.2V < VCC ≤ 5.0V
Full
2.6
Clamped on GND or VCC
Full
µA
µA
µA
CONTROL STAGE
EN Input Low Voltage
EN Input High Voltage
EN Input Current
VIL
VIH
V
0.6
V
1
µA
Over-Temperature Protection
150
℃
Over-Temperature Hysteresis
20
℃
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs. Input Voltage
Efficiency vs. Input Voltage
100
100
IO = 50mA
80
IO = 100mA
IO = 5mA
70
80
IO = 10mA
70
IO = 5mA
60
60
50
IO = 60mA
90
Efficiency (%)
Efficiency (%)
90
VOUT = 3.3V
0.9
1.3
1.7
2.1
2.5
2.9
50
3.3
VOUT = 5.0V
0.9
1.5
2.1
Output Voltage vs. Output Current
3.36
3.32
3.28
3.24
1
10
100
5.10
5.05
5.00
4.95
4.90
1000
Maximum Output Current (mA)
VOUT = 5V
VOUT = 3.3V
10
1.7
2.5
3.3
4.1
Input Voltage (V)
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10
100
1000
Maximum Output Current vs. Input Voltage
Quiescent Current vs. Input Voltage
1000
100
1
Output Current (mA)
Output Current (mA)
0.9
VCC = 3.6V
VOUT = 5.0V
5.15
Output Voltage (V)
Output Voltage (V)
4.5 5.0
5.20
VCC = 2.4V
VOUT = 3.3V
3.40
Quiescent Current (μA)
3.9
Output Voltage vs. Output Current
3.44
1
3.3
Input Voltage (V)
Input Voltage (V)
3.20
2.7
4.9
5.5
800
700
600
500
400
300
200
VOUT = 3.3V
VOUT = 2.5V
VOUT = 5.5V
VOUT = 5.0V
100
0
0.9 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4
Input Voltage (V)
FEBRUARY 2018
5
90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Line Transient Response
Line Transient Response
AC Coupled
AC Coupled
AC Coupled
VIN
VOUT
AC Coupled
VIN = 3V to 3.6V, RL = 25Ω, VOUT = 5V
VIN = 1.8V to 2.4V, RL = 33Ω, VOUT = 3.3V
Time (2ms/div)
Time (2ms/div)
Load Transient Response
Load Transient Response
IOUT
AC Coupled
50mV/div
50mV/div
AC Coupled
VOUT
50mA/div
50mA/div
IOUT
VOUT
VIN = 1.2V, IL = 20mA to 80mA, VOUT = 3.3V
VIN = 3.6V, IL = 20mA to 80mA, VOUT = 5V
Time (2ms/div)
Time (2ms/div)
Output Voltage in Continuous Mode
Output Voltage in Continuous Mode
AC Coupled
20mV/div
VIN = 1.2V, RL = 33Ω, VOUT = 3.3V
Time (1μs/div)
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VOUT
200mA/div
100mA/div
IL
20mV/div
AC Coupled
VOUT
100mV/div
100mV/div
VOUT
500mV/div
500mV/div
VIN
IL
VIN = 3.6V, RL = 25Ω, VOUT = 5V
Time (1μs/div)
FEBRUARY 2018
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Output Voltage in Power-Save Mode
Output Voltage in Discontinuous Mode
VOUT
50mA/div
20mA/div
IL
IL
VIN = 3.6V, RL = 2.5kΩ, VOUT = 5.0V
VIN = 1.2V, RL = 3.3kΩ, VOUT = 3.3V
Time (40μs/div)
Time (400ns/div)
Start-Up after Enable
Start-Up after Enable
VOUT
EN
VIN = 3.6V, RL = 50Ω, VOUT = 5V
IL
Time (200μs/div)
Time (200μs/div)
Efficiency vs. Output Current
Efficiency vs. Output Current
100
80
80
VCC = 1.2V
Efficiency (%)
100
60
VCC = 0.9V
VCC =1.8 V
40
200mA/div
VIN = 2.4V, RL = 33Ω, VOUT = 3.3V
SW
200mA/div
IL
5V/div
VOUT
5V/div
SW
5V/div 2V/div
2V/div 2V/div
EN
Efficiency (%)
50mV/div
VOUT
AC Coupled
10mV/div
AC Coupled
60
VCC = 1.8V
VCC = 2.4V
VCC = 0.9V
40
20
20
VOUT = 3.3V
VOUT = 2.5V
0
0.01
0.1
1
10
Output Current (mA)
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100
1000
0
0.01
0.1
1
10
100
1000
Output Current (mA)
FEBRUARY 2018
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL PERFORMANCE CHARACTERISTICS (continued)
Efficiency vs. Output Current
100
Efficiency (%)
80
VCC = 2.4V
60
VCC = 1.8V
VCC = 3.6V
40
20
VOUT = 5V
0
0.01
0.1
1
10
100
1000
Output Current (mA)
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL APPLICATION CIRCUITS
L1
4.7μH
1
6
Power
Supply
SW
VOUT
VCC
SGM6603
C1
2×4.7μF
3
5
EN
C2
10μF
R1
FB
VCC
Boost Output
4
R2
GND
2
Figure 2. Power Supply Solution for Maximum Output Power Operating from a Single or Dual Alkaline Cell
L1
4.7μH
1
6
Power
Supply
SW
VOUT
VCC
SGM6603
C1
4.7μF
3
5
EN
C2
10μF
R1
FB
VCC
Boost Output
4
R2
GND
2
Figure 3. Power Supply Solution Having Small Total Solution Size
L1
4.7μH
1
6
Power
Supply
C1
4.7μF
SW
VOUT
5
C2
10μF
VCC
SGM6603
3
EN
FB
GND
2
LED Current
Up to 30mA
D1
4
R1
Figure 4. Power Supply Solution for Powering White LEDs in Lighting Applications
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL APPLICATION CIRCUITS (continued)
C3
0.1µF
VCC2 ~ 2×VCC
Unregulated
Auxiliary Output
DS1
C4
1µF
L1
4.7μH
1
6
Power
Supply
SW
VOUT
VCC
SGM6603
C1
2×4.7μF
3
5
EN
R1
FB
VCC
Boost Output
C2
10μF
4
R2
GND
2
Figure 5. Power Supply Solution with Auxiliary Positive Output Voltage
C3
0.1µF
L1
4.7μH
1
6
Power
Supply
C1
2×4.7μF
DS1
SW
VOUT
3
C4
1µF
5
VCC
SGM6603
EN
GND
R1
FB
VCC2 ~ -VCC
Unregulated
Auxiliary Output
C2
10μF
VCC
Boost Output
4
R2
2
Figure 6. Power Supply Solution with Auxiliary Negative Output Voltage
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FEBRUARY 2018
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
TYPICAL APPLICATION CIRCUITS (continued)
L1
4.7μH
1
6
Power
Supply
SW
VOUT
5
C2
10μF
VCC
SGM6603-3.3
C1
10μF
3
NC
EN
VOUT
3.3V
4
GND
2
Figure 7a. Basic Application Circuit for the Fixed Output Versions
L1
4.7μH
1
6
Power
Supply
C1
10μF
SW
VOUT
5
C2
10μF
VCC
SGM6603-5.0
3
NC
EN
VOUT
5.0V
4
GND
2
Figure 7b. Basic Application Circuit for the Fixed Output Versions
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
APPLICATION INFORMATION
Design Procedure
The SGM6603 DC/DC converter is intended for
systems powered by a single-cell, up to triple-cell
alkaline, NiCd, and NiMH battery with a typical terminal
voltage between 0.9V and 5.5V. It can also be used in
systems powered by one-cell Li-Ion or Li-Polymer with
a typical voltage between 2.5V and 4.2V.
Programming Output Voltage
In Figure 1, the output voltage of the SGM6603 DC/DC
converter can be adjusted with an external resistor
divider. The typical value of the voltage at the FB pin is
500mV. The maximum recommended value for the
output voltage is 5.5V. R1 and R2 are calculated using
Equation 1:
R1 = R2 ×（
VOUT
VOUT
− 1 ）= R2 × (
− 1)
VFB
500mV
(1)
R2 is recommended to be 100kΩ. For example, if an
output voltage of 3.3V is needed, a 560kΩ resistor
should be chosen for R1.
Inductor Selection
A boost converter normally requires two main passive
components for storing energy during the conversion. A
boost inductor and a storage capacitor at the output are
required. To select the boost inductor, it is
recommended to keep the possible peak inductor
current below the current limit threshold of the power
switch in the chosen configuration. The highest peak
current through the inductor and the switch depends on
the output load, the input (VCC), and the output voltage
(VOUT). Estimation of the maximum average inductor
current is done using Equation 2:
IL = IO ×
VOUT
VCC × 0.8
The second parameter for choosing the inductor is the
desired current ripple in the inductor. Normally, it is
advisable to work with a ripple of less than 20% of the
average inductor current. A smaller ripple reduces the
magnetic hysteresis losses in the inductor, as well as
output voltage ripple and EMI. But in the same way,
regulation time rises at load changes. In addition, a
larger inductor increases the total system costs. With
these parameters, it is possible to calculate the value
for the inductor by using Equation 3:
L=
VCC × ( VOUT − VCC )
ΔIL × f × VOUT
(3)
Parameter f is the switching frequency and ΔIL is the
ripple current in the inductor. In typical applications, a
4.7µH inductance is recommended. The device has
been optimized to operate with inductance values
between 2.2µH and 10µH. Nevertheless, operation with
higher inductance values may be possible in some
applications. Detailed stability analysis is then
recommended. Care must be taken because load
transients and losses in the circuit can lead to higher
currents as estimated in Equation 3. Also, the losses in
the inductor which include magnetic hysteresis losses
and copper losses are a major parameter for total
circuit efficiency.
Input Capacitor
At least a 10µF input capacitor is recommended to
improve transient behavior of the regulator and EMI
behavior of the total power supply circuit. A ceramic
capacitor or a tantalum capacitor with a 100nF ceramic
capacitor in parallel, placed close to the IC, is
recommended.
(2)
For example, for an output current of 75mA at 3.3V, at
least an average current of 340mA flows through the
inductor at a minimum input voltage of 0.9V.
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90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
SGM6603
APPLICATION INFORMATION (continued)
Output Capacitor
The major parameter necessary to define the output
capacitor is the maximum allowed output voltage ripple
of the converter. This ripple is determined by two
parameters of the capacitor, the capacitance and the
ESR. It is possible to calculate the minimum
capacitance needed for the defined ripple, supposing
that the ESR is zero, by using Equation 4:
CMIN =
I O × ( VOUT − VCC )
f × ΔV × VOUT
(4)
Parameter f is the switching frequency and ΔV is the
maximum allowed ripple.
With a chosen ripple voltage of 10mV, a minimum
capacitance of 4.5µF is needed. In this value range,
ceramic capacitors are a good choice. The ESR and
the additional ripple created are negligible. It is
calculated using Equation 5:
ΔVESR = IO × RESR
(5)
The total ripple is the sum of the ripple caused by the
capacitance and the ripple caused by the ESR of the
capacitor. Additional ripple is caused by load transients.
This means that the output capacitor has to completely
supply the load during the charging phase of the
inductor.
The value of the output capacitance depends on the
speed of the load transients and the load current during
the load change. With the calculated minimum value of
4.5µF and load transient considerations, the
recommended output capacitance value is in the range
of 4.7μF to 22µF.
Care must be taken on capacitance loss caused by
derating due to the applied DC voltage and the
frequency characteristic of the capacitor. For example,
larger form factor capacitors (in 1206 size) have their
self resonant frequencies in the same frequency range
as the SGM6603 operating frequency. So the effective
capacitance of the capacitors used may be significantly
lower. Therefore, the recommendation is to use smaller
capacitors in parallel instead of one larger capacitor.
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Layout Considerations
As for all switching power supplies, the layout is an
important step in the design, especially at high-peak
currents and high switching frequencies. If the layout is
not carefully done, the regulator could show stability
problems as well as EMI problems. Therefore, use wide
and short traces for the main current path and for the
power ground tracks. The input capacitor, output
capacitor, and the inductor should be placed as close
as possible to the IC. Use a common ground node for
power ground and a different one for control ground to
minimize the effects of ground noise. Connect these
ground nodes at any place close to the ground pin of
the IC.
The feedback divider should be placed as close as
possible to the ground pin of the IC. To lay out the
control ground, it is recommended to use short traces
as well, separated from the power ground traces. This
avoids ground shift problems, which can occur due to
superimposition of power ground current and control
ground current.
Thermal Information
Implementation of integrated circuits in low-profile and
fine-pitch surface-mount packages typically requires
special attention to power dissipation. Many
system-dependent issues such as thermal coupling,
airflow, added heat sinks and convection surfaces, and
the presence of other heat-generating components
affect the power-dissipation limits of a given
component.
Three basic approaches
performance follow.
for
enhancing
thermal
1. Improving the power dissipation capability of the
PCB design.
2. Improving the thermal coupling of the component to
the PCB.
3. Introducing airflow in the system.
FEBRUARY 2018
13
SGM6603
90% Efficient Synchronous
Step-Up Converter with 1.1A Switch
REVISION HISTORY
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
FEBRUARY 2018 ‒ REV.A.2 to REV.A.3
Update the Typical Performance Characteristics
Efficiency vs. Input Voltage (VOUT = 3.3V, VOUT = 5.0V) ........................................................................................................................................ 5
APRIL 2015 ‒ REV.A.1 to REV.A.2
Update the Electrical Characteristics
VIH (0.9V ≤ VCC ≤ 1.8V) 1.5V - 0.8VCC................................................................................................................................................................... 4
JANUARY 2015 ‒ REV.A to REV.A.1
Update the Electrical Characteristics
Switch Current Limit ............................................................................................................................................................................................ 4
Add dot on pin 1 SOT-23-6 ............................................................................................................................................................................ 3, 14
Changes from Original (JANUARY 2013) to REV.A
Changed from product preview to production data ............................................................................................................................................. All
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PACKAGE INFORMATION
PACKAGE OUTLINE DIMENSIONS
SOT-23-6
D
e1
e
2.59
E
E1
0.99
b
0.95
0.69
RECOMMENDED LAND PATTERN (Unit: mm)
L
A
A1
θ
A2
Symbol
Dimensions
In Millimeters
MIN
MAX
c
0.2
Dimensions
In Inches
MIN
MAX
A
1.050
1.250
0.041
0.049
A1
0.000
0.100
0.000
0.004
A2
1.050
1.150
0.041
0.045
b
0.300
0.500
0.012
0.020
c
0.100
0.200
0.004
0.008
D
2.820
3.020
0.111
0.119
E
1.500
1.700
0.059
0.067
E1
2.650
2.950
0.104
0.116
e
0.950 BSC
0.037 BSC
e1
1.900 BSC
0.075 BSC
SG Micro Corp
www.sg-micro.com
L
0.300
0.600
0.012
0.024
θ
0°
8°
0°
8°
TX00034.000
PACKAGE INFORMATION
TAPE AND REEL INFORMATION
REEL DIMENSIONS
TAPE DIMENSIONS
P2
W
P0
Q1
Q2
Q1
Q2
Q1
Q2
Q3
Q4
Q3
Q4
Q3
Q4
B0
Reel Diameter
A0
P1
K0
Reel Width (W1)
DIRECTION OF FEED
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF TAPE AND REEL
Reel
Diameter
Reel Width
W1
(mm)
A0
(mm)
B0
(mm)
K0
(mm)
P0
(mm)
P1
(mm)
P2
(mm)
W
(mm)
Pin1
Quadrant
SOT-23-6
7″
9.5
3.17
3.23
1.37
4.0
4.0
2.0
8.0
Q3
SG Micro Corp
www.sg-micro.com
TX10000.000
DD0001
Package Type
PACKAGE INFORMATION
CARTON BOX DIMENSIONS
NOTE: The picture is only for reference. Please make the object as the standard.
KEY PARAMETER LIST OF CARTON BOX
Length
(mm)
Width
(mm)
Height
(mm)
Pizza/Carton
7″ (Option)
368
227
224
8
7″
442
410
224
18
SG Micro Corp
www.sg-micro.com
DD0002
Reel Type
TX20000.000
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