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DC2105A-A

Description
eval board buck reg ltc3630a
CategoryDevelopment board/suite/development tools   
File Size299KB,8 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance  
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DC2105A-A Overview

eval board buck reg ltc3630a

DC2105A-A Parametric

Parameter NameAttribute value
Datasheets
DC2105A Demo Manual
LTC3630A
Design Resources
DC2105A Design Files
DC2105A Schematic
Standard Package1
CategoryProgrammers, Development Systems
FamilyEvaluation Boards - DC/DC & AC/DC (Off-Line) SMPS
Main PurposeDC/DC, Step Dow
Outputs and Type1, Non-Isolated
Power - Outpu-
Voltage - Outpu1.8V, 3.3V or 5V
Current - Outpu500mA
Voltage - Inpu4 V ~ 76 V
Regulator TopologyBuck
Frequency - Switching-
Board TypeFully Populated
Supplied ContentsBoard
Utilized IC / PLTC3630A
Dynamic CatalogLTC3630AEMSE and LTC3630EMSE Demonstration Boards
Associated ProducLTC3630AMPMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AIMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AHMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AEMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AEDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AIDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AHDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AMPDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AMPMSE#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AMPDHC#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AIMSE#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AIDHC#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AHMSE#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AHDHC#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630AEMSE#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630AEDHC#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630HDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630EDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630IMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630EMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630MPMSE#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOPLTC3630MPDHC#PBF-ND - IC REG BUCK SYNC ADJ 0.5A 16DFNLTC3630EMSE#TRPBF-ND - IC REG BUCK SYNC ADJ 0.5A 16MSOP
DEMO MANUAL DC2105A
LTC3630AEMSE/LTC3630EMSE
High Efficiency High Voltage 500mA
Synchronous Step-Down Converter
Description
Demonstration circuit 2105A is a 500mA output DC/DC
power supply. There are two versions: DC2105A-A is a
board featuring
LTC
®
3630A,
with 4V to 76V input range;
DC2105A-B is a board featuring LTC3630, with 4V to 65V
input range. The LTC3630A/LTC3630 operates in a high
efficiency Burst Mode
®
operation and includes internal
high and low side switches. The board provides jumper
selected output voltages of 1.8V, 3.3V, 5V and an option
for additional voltages. LTC3630A/LTC3630 has internal
soft-start and a provision for increasing soft-start time.
Included on the board is an ON/OFF jumper that can also
be configured as a precision undervoltage lockout. Ad-
ditional PC pads are included for programming current
limit to optimize efficiency and for reducing output voltage
ripple and reducing component size. A terminal (FBO)
is available to allow multiple boards to be paralleled for
increasing output current.
Output voltage between 800mV and V
IN
can be pro-
grammed using optional resistors, although higher voltage
output capacitors will be required.
The LTC3630A/LTC3630 data sheet gives a complete de-
scription of the operation and application information.
The data sheet must be read in conjunction with this
demo manual.
Design files for this circuit board are available at
http://www.linear.com/demo/DC2105A
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.
performance summary
PARAMETER
Input Voltage Range for DC2105A-A
Input Voltage Range for DC2105A-B
1.8V Output
3.3V Output
5V Output
Maximum Output Current
Typical Output Voltage Ripple
Specifications are at T
A
= 25°C
VALUE
4V to 76V
4V to 65V
1.8V ±2%
3.3 V ±2%
5V ±2%
500mA
75mV
P-P
CONDITION
LTC3630A
LTC3630
V
IN
= 20V, V
OUT
Load = 100mA
V
IN
= 20V, V
OUT
Load = 100mA
V
IN
= 20V, V
OUT
Load = 100mA
V
IN
= 20V, V
OUT
= 5V
V
IN
= 20V, V
OUT
= 5V
dc2105af
1

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