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DESCRIPTION
Demonstration circuit DC1623A features the LTM
low-EMI EN55022 Class B certified step-down μModule
regulator, pre-configured for a 3.3V output from a 5.5V
to 36V input. The circuit supports other features of the
LTM8033 including synchronization to an external clock,
current sharing with another LTM8033 μModule regula-
tor, and burst mode operation for improved efficiency
PERFORMANCE SUMMARY
PARAMETER
Input Voltage Range
Output Voltage V
OUT
Maximum Output Current
Typical Switching Frequency
BOARD PHOTO
DEMO MANUAL DC1623A
36V
, 3A Low EMI Step-Down
IN
®
8033, a
at light loads. The LTM8033 data sheet must be read in
®
conjunction with this quick start guide prior to working
on or modifying demo circuit DC1623A.
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.
(T
= 25°C)
A
CONDITIONS
R2 = 93.1k
LTM8033:
µModule Regulator
5.5V to 36V
3.3V ±3%
VALUE
3A
425kHz
dc1623af
1
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Summary of Contents for Linear Technology LTM8033
- Page 1 LTM8033 μModule regula- L, LT, LTC, LTM, μModule, Linear Technology and the Linear logo are registered trademarks of tor, and burst mode operation for improved efficiency Linear Technology Corporation. All other trademarks are the property of their respective owners.
-
Page 2: Quick Start Procedure
Demonstration circuit DC1623A is an easy way to evalu- 3. Turn on the power at the input. ate the performance of the LTM8033. Refer to Figure 1 4. Check for the proper output voltage. for proper measurement equipment setup and follow the... - Page 3 DEMO MANUAL DC1623A QUICK START PROCEDURE Figure 1. Measurement Equipment Setup Figure 2. Measuring Input or Output Ripple dc1623af...
- Page 4 DEMO MANUAL DC1623A PARTS LIST ITEM REFERENCE PART DESCRIPTION MANUFACTURER/PART NUMBER Required Circuit Components CAP , 0805, 0.22μF 50V X5R TAIYO YUDEN, UMK212BJ224MG-T CAP , 1210, 100μF 10V X5R TAIYO YUDEN, LMK325BJ107MM-T CAP , 1206, 4.7μF 50V X5R TAIYO YUDEN UMK316BJ475KL-T CAP , 1210, 10μF 10% 50V X7R MURATA GRM32ER71H106K RES, 0603, 10k 5% 1/10W...
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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. DC1623A...
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