Linear Technology DC2016A Demo Manual
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Linear Technology DC2016A Demo Manual

Ltm8054 36vin, 5.4a buck-boost mmodule regulator
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Description
Demonstration circuit 2016A features the LTM8054, a
synchronous buck-boost μModule regulator that accepts
input voltages lower, higher or the same as the output,
but is also highly efficient due to its four-switch archi-
tecture. The output for DC2016A is 12V and the input
voltage range is 6V to 35V – see the LTM8054 data sheet
for application circuits with input voltages up to 36V.
The maximum output current of DC2016A is 3A and the
switching frequency is 600kHz.
DC2016A supports the adjustable and controllable features
of the LTM8054 including output voltage and current
regulation, switching frequency, RUN threshold, soft-
start period, synchronization and reverse inductor current
inhibit. In most cases, adjustment is made by modifying
the appropriate resistor or capacitor component(s).
BoarD photo
DEMO MANUAL DC2016A
36V
, 5.4A Buck-Boost
IN
μModule Regulator
DC2016A provides output current monitoring and a clock
output. Input current monitoring and regulation requires
the installation of a current sense resistor. The SV
for controller power can be made a diode-OR of power
V
and the output voltage to extend the operating range
IN
of power V
to lower voltages. There are places to mount
IN
optional components that add an LC input filter and also a
unity gain buffer to operate multiple DC2016As in parallel.
The LTM8054 data sheet must be read in conjunction with
this demo manual to properly use or modify DC2016A.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2016A
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
LTM8054
input
IN
dc2016af
1

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Summary of Contents for Linear Technology DC2016A

  • Page 1 In most cases, adjustment is made by modifying L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners.

  • Page 2: Performance Summary

    DEMO MANUAL DC2016A performance summary Specifications are at T = 25°C PARAMETER CONDITIONS UNITS Minimum Input Voltage, V Maximum Input Voltage, V Maximum Output Current, I 12V < V < 35V, CTL = OPEN = 6V, CTL = OPEN Input Turn-On Voltage, V...

  • Page 3: Quick Start Procedure

    DEMO MANUAL DC2016A Quick start proceDure To use DC2016A to evaluate the performance of the the V or V capacitors. See Figure 3 for proper scope LTM8054, refer to Figure 1 for the proper measurement probe technique. Solder terminals near the input or output equipment setup, Figure 2 for the maximum output current capacitors, if necessary.
  • Page 4 DEMO MANUAL DC2016A Quick start proceDure – REMOVABLE CONNECTION IS OPTIONAL FOR PROPER START-UP OPTIONAL – OPTIONAL WITH R7 = OPEN 3.3V – – 0V TO 35VDC – 12VDC 0A TO 3A – – DC2016 F01 Figure 1. Proper Measurement Equipment Setup...
  • Page 5 DEMO MANUAL DC2016A Quick start proceDure R4 = SHORT R4 = 0.015 INPUT VOLTAGE (V) dc2016 F02 Figure 2. Maximum Output Current vs Input Voltage for V = 12V Figure 3. Proper Scope Probe Technique –10 –20 –30 –40 –50 –60...

  • Page 6: Parts List

    DEMO MANUAL DC2016A parts List ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components C1, C2 CAP., 4.7µF, X5R, 50V, 10%, 0805 SAMSUNG, CL21A475KBQNNNE CAP., 0.22µF, X7R, 16V, 10%, 0603 TDK, C1608X7R1C224K080AC CAP., 0.01µF, X7R, 16V, 10%, 0603 MURATA, GRM188R71C103KA01D C5, C6 CAP., 22µF, X5R, 25V, 20%, 0805...

  • Page 7: Schematic Diagram

    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 8 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.
  • Page 9 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Analog Devices Inc. DC2016A...

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