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DEMO MANUAL DC1194A
LTM8020
36V, 200mA DC/DC
μModule Regulator
DESCRIPTION
Demonstration circuit DC1194A features the LTM ? 8020, a
200mA DC/DC step-down μModule ? regulator. The board
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
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.
PARAMETER
Input Voltage Range
Output Voltage, V OUT
Maximum Output Current
Efficiency
Light Load Power Loss
CONDITIONS / NOTES
V OUT = 3.3V, Device 0perating
R1 = 30.1k
V IN = 5V, V OUT = 3.3V, I OUT = 100mA
V IN = 12V, V OUT = 3.3V, I OUT = 100μA
VALUE
4.5V to 36V
3.3V
200mA
85% (See Figure 2)
400μW
BOARD PHOTO
dc1194af
1
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