DC1295B Linear Technology, DC1295B Datasheet - Page 6
![no-image](/images/manufacturer_photos/0/3/388/linear_technology_sml.jpg)
DC1295B
Manufacturer Part Number
DC1295B
Description
BOARD DEMO LTM4606
Manufacturer
Linear Technology
Series
µModuler
Specifications of DC1295B
Main Purpose
DC/DC, Step Down
Outputs And Type
1, Non-Isolated
Power - Output
-
Voltage - Output
1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5V
Current - Output
6A
Voltage - Input
5 ~ 28 V
Regulator Topology
Buck
Frequency - Switching
800kHz
Board Type
Fully Populated
Utilized Ic / Part
LTM4606
Lead Free Status / Rohs Status
Not applicable / Not applicable
LTM4606
Typical perForMance characTerisTics
6
0.2A/DIV
0.5V/DIV
0.5A/DIV
2V/DIV
0.606
0.604
0.602
0.600
0.598
0.596
0.594
V
V
OUT
OUT
I
I
IN
IN
–55
–55°C, Start-Up, I
Short-Circuit Protection,
I
V
V
V
C
SOFT-START = 0.1µF
V
V
C
SOFT-START = 3.9nF
OUT
IN
OUT
OUT
IN
OUT
OUT
FB
= 12V
= 12V
vs Temperature
= 2.5V
= 2× 22µF , 10V CERAMIC
–25
= 1.5V
= 2× 22µF , 10V CERAMIC
= 0A
1× 100µF , 6.3V CERAMIC
1× 100µF , 6.3V CERAMIC
TEMPERATURE (°C)
5
50µs/DIV
1ms/DIV
35
OUT
= 6A
65
95
4606 G16
4606 G13
4606 G10
125
10mV/DIV
0.5V/DIV
0.5A/DIV
1V/DIV
2A/DIV
V
V
OUT
OUT
V
I
I
IN
IN
IN
Input Ripple
Start-Up, I
V
V
C
SOFT-START = 3.9nF
Short-Circuit Protection,
I
V
V
C
SOFT-START = 0.1µF
V
V
C
BW = 300MHz
OUT
IN
OUT
OUT
IN
OUT
OUT
IN
OUT
IN
= 12V
= 12V
= 5V
= 3× 10µF , 25V CERAMIC
= 1.5V
= 1× 22µF , 6.3V CERAMIC
= 2.5V
= 2× 22µF , 10V CERAMIC
= 1V AT 6A
1× 150µF BULK
= 6A
1× 330µF , 4V SANYO POSCAP
1× 100µF , 6.3V CERAMIC
OUT
50µs/DIV
1ms/DIV
2µs/DIV
= 0A
4606 G11
4606 G14
4606 G17
0.5V/DIV
0.5A/DIV
2mV/DIV
V
V
OUT
OUT
4.5
I
28
24
20
16
12
IN
8
0.6
V
Operation Region
Start-Up, I
(Resistive Load)
V
V
C
SOFT-START = 3.9nF
Output Ripple
V
V
C
BW = 300MHz
SEE FREQUENCY ADJUSTMENT SECTION
FOR OPERATIONS OUTSIDE THIS REGION
IN
OUT
OUT
IN
IN
OUT
OUT
1.0
= 12V
= 5V
to V
= 1.5V
= 1× 22µF , 6.3V CERAMIC
= 1V AT 6A
= 2× 22µF , 6.3V CERAMIC
1× 330µF , 4V SANYO POSCAP
1.5
1× 100µF , 6.3V CERAMIC
OUT
2.0
OUT
WITH DEFAULT FREQUENCY
Step-Down
OPERATION REGION
2.5
1ms/DIV
V
2µs/DIV
= 6A
OUT
3.0
(V)
3.5
4.0
4.5
4606 G12
4606 G15
4606 G18
4606fb
5.0