DC1297B Linear Technology, DC1297B Datasheet - Page 6

• Manufacturer Part Number: DC1297B
• Description: BOARD EVAL LTM4612
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1297B

• Design Resources: LTM4612 Spice Model LTM4612 Gerber Files DC1297B Design Files DC1297B Schematic
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: -
• Voltage - Output: 3.3V, 5V ,12V
• Current - Output: 5A
• Voltage - Input: 5 ~ 36 V
• Regulator Topology: Buck
• Frequency - Switching: 850kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4612
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

LTM4612
Typical perForMance characTerisTics
6
5V/DIV
1A/DIV
V
OUT
I
IN
36
24
30
18
12
0
6
3.3
SOFT-START CAPACITOR: 3.9nF
C
1 × 47µF OSCON CAPACITOR
Start-Up with 24V
I
V
OUT
IN
SEE FREQUENCY ADJUSTMENT SECTION
FOR OPERATIONS OUTSIDE THIS REGION
IN
4
= 3 × 10µF CERAMIC CAPACITORS AND
to V
= 5A, T
OPERATING REGION
WITH DEFAULT FREQUENCY
OUT
6
A
Step-Down Ratio
500µs/DIV
= –55°C
8
V
OUT
IN
(V)
10
to 12V
12
OUT
4612 G13
at
14 15
4612 G10
50mV/DIV
0.2A/DIV
5V/DIV
V
OUT
I
IN
C
2 × 47µF CERAMIC CAPACITORS
V
V
C
Short-Circuit with 24V
at I
Input Ripple
OUT
IN
OUT
IN
= 24V
= 3 × 10µF 50V CERAMIC 1 × 100µF BULK
OUT
= 2 × 22µF CERAMIC CAPACITORS AND
= 12V AT 5A RESISTIVE LOAD
= 0A
50µs/DIV
1µs/DIV
IN
to 12V
OUT
4612 G14
4612 G11
10mV/DIV
2A/DIV
5V/DIV
V
OUT
I
IN
C
2 × 47µF CERAMIC CAPACITORS
Short-Circuit with 24V
at I
Output Ripple
V
V
C
2 × 47µF 16V CERAMIC
OUT
IN
OUT
OUT
= 24V
OUT
= 2 × 22µF CERAMIC CAPACITORS AND
= 12V AT 5A RESISTIVE LOAD
= 2 × 22µF 16V CERAMIC AND
= 5A
20µs/DIV
1µs/DIV
IN
to 12V
OUT
4612 G15
4612 G12
4612fb