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Description
Demonstration circuit 2106A-B is a high efficiency, high
density, µModule regulator with 4.5V to 16V input range.
The output voltage is adjustable from 0.5V to 1.8V, and it
can supply 130A maximum load current. The demo board
has 1×
LTM
4676
and 3× LTM4630 µModule regulators.
®
The LTM4676 is a dual 13A or single 26A step-down
regulator with PMBus power system management, and the
LTM4630 is a dual 18A or single 36A step-down regulator.
Please see LTM4676 and LTM4630 data sheets for more
detailed information.
DC2106A-B powers up to default settings and produces
power based on configuration resistors without the need
for any serial bus communication. This allows easy evalu-
ation of the DC/DC converter. To fully explore the extensive
power system management features of the part, download
the GUI software LTpowerPlay™ onto your PC and use
DEMO MANUAL DC2106A-B
High Efficiency, PolyPhase
Step-Down μModule Regulator with
PMBus Power System Management
LTC's I
the board. LTpowerPlay allows the user to reconfigure the
part on the fly and store the configuration in EEPROM,
and view telemetry of voltage, current, temperature and
fault status.
GUI Download
The software can be downloaded from:
http://www.linear.com/ltpowerplay
For more details and instructions of LTpowerPlay, please
refer to LTpowerPlay GUI for LTM4676 Quick Start Guide.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2106A-B
L, LT, LTC, LTM, Linear Technology, the Linear logo, Dust Networks, Dust and PolyPhase are
registered trademarks and LTpowerPlay is a trademark of Linear Technology Corporation. All
other trademarks are the property of their respective owners.
Figure 1. LTM4676/DC2106A-B Demo Circuit
2
C/SMBus/PMBus dongle DC1613A to connect to
LTM4676EY
, DC/DC
®
dc2106abf
1
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Related Manuals for Linear DC2106A-B
Summary of Contents for Linear DC2106A-B
- Page 1 L, LT, LTC, LTM, Linear Technology, the Linear logo, Dust Networks, Dust and PolyPhase are the GUI software LTpowerPlay™ onto your PC and use registered trademarks and LTpowerPlay is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners.
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Page 2: Performance Summary
3. Connect the DVMs to the input and outputs. Set default (+) lead. switch position: SW1: ON; SW2: ON. Connecting a PC to DC2106A-B 4. Turn on the input power supply and check for the proper output voltages. V should be 1V ±1%. - Page 3 DEMO MANUAL DC2106A-B Quick start proceDure Figure 2. Proper Measurement Equipment Setup Figure 3. Measuring Output Voltage Ripple dc2106abf...
- Page 4 DEMO MANUAL DC2106A-B Quick start proceDure Figure 4. Demo Setup with PC Efficiency vs Load Current = 12V = 1V OUT0 350kHz LOAD CURRENT (A) Figure 5. Efficiency vs Load Current at V = 12V dc2106abf...
- Page 5 DEMO MANUAL DC2106A-B Quick start proceDure (20MHz BW) [50mV/DIV] (20MHz BW) [10mV/DIV] OUT0 OUT0 97.5A TO 130A LOAD STEP Figure 6. Output Voltage V vs Load Current Figure 7. Output Voltage Ripple at V = 12V, OUT0 RANGE = 0)
- Page 6 LTC3883, LTC2974 and LTC2978. The software supports a variety of different tasks. You can use LTpowerPlay to http://linear.com/ltpowerplay evaluate Linear Technology ICs by connecting to a demo To access technical support documents for LTC Digital board system. LTpowerPlay can also be used in an offline Power Products visit Help.
- Page 7 Quick start proceDure 2. Launch the LTpowerPlay GUI. a. The GUI should automatically identify the DC2106A-B. The system tree on the left hand side should look like this: b. A green message box shows for a few seconds in the...
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Page 8: Parts List
DEMO MANUAL DC2106A-B parts List ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components CIN1, CIN2, CIN4, CIN5, CIN6, CIN7, CIN8, CIN9, CAP., X5R, 10µF, 35V, 10%, 1210 AVX, 1210DD106KAT2A CIN10, CIN11, CIN12, CIN13, CIN14, CIN15, CIN16, CIN17, CIN18, CIN19 CIN3 CAP., 150µF, 35V, ALUMINUM ELECTR.,... - Page 9 DEMO MANUAL DC2106A-B parts List ITEM QTY REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER RES., CHIP, 2Ω, 1%, 0603 VISHAY CRCW06032R00FKEA RES., CHIP, 1M, 1%, 0603 VISHAY CRCW06031M00FKEA R89, R92 RES., CHIP, 20k, 1%, 0603 VISHAY CRCW060320K0FKEA RES., CHIP, 154k, 1%, 0603 VISHAY CRCW0603154KFKEA RES., CHIP, 3.3Ω, 1%, 0603...
- Page 10 DEMO MANUAL DC2106A-B schematic Diagram dc2106abf...
- Page 11 DEMO MANUAL DC2106A-B schematic Diagram dc2106abf...
- Page 12 DEMO MANUAL DC2106A-B schematic Diagram dc2106abf...
- Page 13 DEMO MANUAL DC2106A-B schematic Diagram dc2106abf...
- Page 14 DEMO MANUAL DC2106A-B schematic Diagram dc2106abf...
- Page 15 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
- Page 16 Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions: This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety measures typically found in finished commercial goods.
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