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Analog Devices SCP-LT8362-I-EVALZ Demo Manual
Analog Devices SCP-LT8362-I-EVALZ Demo Manual

Analog Devices SCP-LT8362-I-EVALZ Demo Manual

Signal chain power lt8362 low iq inverting regulator

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DESCRIPTION
Demonstration circuit SCP-LT8362-I-EVALZ features the
LT8362 in a Cuk configuration. It operates with a switching
frequency of 2MHz and is designed to convert a 4.5V to
42V source to –15V, with up to 1A output current (depend-
ing on input voltage).
Like all boards in the Signal Chain Power series, this board
is designed to be easily plugged into other SCP boards to
form a complete signal chain power system, enabling fast
evaluation of low power signal chains. To evaluate this
board, some universal SCP hardware is required, namely:
SCP-INPUT-EVALZ
SCP-OUTPUT-EVALZ
SCP-1X5BKOUT-EVALZ
SCP-THRUBRD-EVALZ
Table 1. Performance Summary
SYMBOL
PARAMETER
V
Max Input Voltage
IN(MAX)
V
Max Output Voltage
OUT(MAX)
I
Switch Current Limit
SW(LIM)
BOARD PHOTO
DEMO MANUAL SCP-LT8362-I-EVALZ
LT8362 Low I
SCP-FILTER-EVALZ
SCP-1X2BKOUT-EVALZ
SCP-5X1-EVALZ
NOTES
Figure 1. Photo of SCP-LT8362-I-EVALZ
DEMO MANUAL
SCP-LT8362-I-EVALZ
Signal Chain Power
Inverting Regulator
Q
To properly evaluate SCP series demo boards, you will
need the SCP Configurator companion software. SCP
Configurator can help you choose the right board and to-
pology for your design.
Note that this Demo Manual does not cover details im-
portant to the operation and configuration regarding the
LT8362. Please refer to the
plete description of the part.
Design files for this circuit board are available.
All registered trademarks and trademarks are property of their respective owners.
LT8362 datasheet
for a com-
MIN
TYP
MAX
48
–48
2
UNITS
V
V
A
Rev. 0
1

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Summary of Contents for Analog Devices SCP-LT8362-I-EVALZ

  • Page 1 Signal Chain Power LT8362 Low I Inverting Regulator DESCRIPTION Demonstration circuit SCP-LT8362-I-EVALZ features the To properly evaluate SCP series demo boards, you will LT8362 in a Cuk configuration. It operates with a switching need the SCP Configurator companion software. SCP frequency of 2MHz and is designed to convert a 4.5V to...
  • Page 2 If using a dynamic load to measure output volt- ware configuration. age, make sure the load is initially set to zero. 1. The SCP-LT8362-I-EVALZ ships with a default output 3. Check for proper output voltage. The output should be voltage of –12V. To change the output voltage, see regulated at the programmed value (±5%).
  • Page 3 Molex part # 0510650300 with crimp pin # 50212- ing on input voltage). 8000. The output of the SCP-LT8362-I-EVALZ is resistor-pro- To use an active run signal, use a 1.00M for either pull-up grammable from –5V to –40V. The board can be also con- or pull-down resistors R1 and R3, short R13 with 0W, and figured to drive VIOC-capable LDO regulators.
  • Page 4 DEMO MANUAL SCP-LT8362-I-EVALZ MODE PIN CONFIGURATION The SCP-LT8362-I-EVALZ is configured by default for Burst Mode at light loads for efficiency. The MODE pin can also be configured to burst with spread spectrum, if de- sired. The table below shows the various configurations possible with the MODE pin.
  • Page 5 DEMO MANUAL SCP-LT8362-I-EVALZ PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER ANALOG DEVICES 08_051143b CAP MULTILAYER CER, X7R TAIYO YUDEN HMK316B7105KL-T C11, C12 CAP CER 0.1UF 50V 10% X5R 0402 YAGEO CC0402KRX5R9BB104 CAP ALUM 33UF 50V 20% 6.6X6.6MM UNITED CHEMI CON...
  • Page 6 DEMO MANUAL SCP-LT8362-I-EVALZ SCHEMATIC DIAGRAM AGND Rev. 0...
  • Page 7 Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
  • Page 8 Board until you have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. (“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY.