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DESCRIPTION
Demonstration circuit DC1194A features the LTM
200mA DC/DC step-down μModule
is preset to deliver a 3.3V output at up to 200mA load
current from an input voltage of up to 36V. The output
voltage may be modified by simply changing one resis-
tor. The LTM8020 data sheet must be read in conjunction
PERFORMANCE SUMMARY
PARAMETER
Input Voltage Range
Output Voltage, V
OUT
Maximum Output Current
Efficiency
Light Load Power Loss
BOARD PHOTO
8020, a
®
®
regulator. The board
CONDITIONS / NOTES
V
= 3.3V, Device 0perating
OUT
R1 = 30.1k
V
= 5V, V
= 3.3V, I
IN
OUT
OUT
V
= 12V, V
= 3.3V, I
IN
OUT
OUT
DEMO MANUAL DC1194A
36V, 200mA DC/DC
µModule Regulator
with this demo manual prior to working on or modifying
demo circuit DC1194A.
Design files for this circuit board are available at
http://www.linear.com/demo
L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of
Linear Technology Corporation. All other trademarks are the property of their respective owners.
VALUE
4.5V to 36V
3.3V
200mA
= 100mA
85% (See Figure 2)
= 100μA
400μW
LTM8020
dc1194af
1
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Related Manuals for Linear DC1194A
Summary of Contents for Linear DC1194A
- Page 1 L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of tor. The LTM8020 data sheet must be read in conjunction Linear Technology Corporation. All other trademarks are the property of their respective owners.
- Page 2 DEMO MANUAL DC1194A DESCRIPTION 1000 1000 1000 (mA) (mA) LOAD DC1194A F01 DC1194A F02 Figure 1. LTM8020EV Efficiency 3.3V Figure 2. LTM8020EV Power Loss 3.3V TO START SHDN CONTROL TO RUN LOAD CURRENT (mA) DC1194A F03 Figure 3. LTM8020EV Typical Minimum V 3.3V...
-
Page 3: Quick Start Procedure
DEMO MANUAL DC1194A QUICK START PROCEDURE Demonstration circuit 1194A is easy to set up to evalu- 1. Connect the power supply (with power off), load, and ate the performance of the LTM8020. Refer to Figure 4 meters as shown in Figure 4. -
Page 4: Parts List
DEMO MANUAL DC1194A PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER’S PART NUMBER Required Circuit Components CAP , 1210 2.2μF 10% 50V X7R TDK C3225X7R1H225K RES, 0402 301k 1% 1/16W VISHAY CRCW0402301KFKED RES, 0402 100k 5% 1/16W VISHAY CRCW0402100KJNED IC, MODULE LINEAR TECH. -
Page 5: 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 6 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 7 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Analog Devices Inc. DC1194A...
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