Linear Technology LTM8026 Demo Board, 36V, 5A CVCC Step-Down µModule Regulator with Adjustable Current Limit DC1696A DC1696A Scheda Tecnica
Codici prodotto
DC1696A
LTM8026
1
8026fb
Typical applicaTion
FeaTures
DescripTion
36V
IN
, 5A CVCC Step-Down
µModule Regulator
is a 36V
IN
, 5A constant-voltage, constant-
current (CVCC) step-down µModule
®
regulator. Included in
the package are the switching controller, power switches,
inductor and support components. Operating over an
input voltage range of 6V to 36V, the LTM8026 supports
an output voltage range of 1.2V to 24V. CVCC operation
allows the LTM8026 to accurately regulate its output
current up to 5A over the entire output range. The output
current can be set by a control voltage, a single resistor or
a thermistor. Only resistors to set the output voltage and
frequency and the bulk input and output filter capacitors
are needed to finish the design.
The low profile package (2.82mm) enables utilization of
The low profile package (2.82mm) enables utilization of
unused space on the bottom of PC boards for high density
point-of-load regulation. The LTM8026 is packaged in a
thermally-enhanced, compact (11.25mm × 15mm) and
low profile (2.82mm) overmolded land grid array (LGA)
package suitable for automated assembly by standard sur-
face mount equipment. The LTM8026 is RoHS compliant.
Typical Application
applicaTions
n
Complete Step-Down Switch Mode Power Supply
n
Constant-Voltage Constant-Current Operation
n
Selectable Output Current Up to 5A
n
Parallelable for Increased Output Current, Even
from Different Voltage Sources
n
Wide Input Voltage Range: 6V to 36V
n
1.2V to 24V Output Voltage
n
Selectable Switching Frequency: 100kHz to 1MHz
n
(e4) RoHS Compliant Package with Gold Pad Finish
n
Programmable Soft-Start
n
Tiny, Low Profile (11.25mm × 15mm × 2.82mm)
Surface Mount LGA Package
n
SuperCap Charging
n
General Purpose Industrial
n
Extreme Short-Circuit Protection or Accurate Output
Current Limit
n
µController-Based Battery Charging
n
High Power LED Drive
n
Multiple Input, Single Output Voltage Conversion
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.
Protected by U.S. Patents including 7199560, 7321203 and others pending.
V
IN
RUN
510k
SS
LTM8026
SYNC
330µF
100µF
8026 TA01a
10µF
V
IN
6V TO 36V
V
OUT
2.5V
5A
COMP
V
OUT
V
REF
CTL_I
CTL_T
RT
GND
90.9k
9.09k
ADJ
+
V
OUT
vs I
OUT
, 12V
IN
OUTPUT CURRENT (A)
0
0
OUTPUT VOLTAGE (V)
0.5
1.0
1.5
2.0
2.5
3.0
1
2
3
6
4
5
8026 TA01b