DC1084A-A Linear Technology, DC1084A-A Datasheet - Page 19

• Manufacturer Part Number: DC1084A-A
• Description: LTM4602EV1 UMODULE DEMO BOARD
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1084A-A

• 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: 4.5 ~ 20 V
• Regulator Topology: Buck
• Frequency - Switching: 800kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4602
• Lead Free Status / Rohs Status: Not applicable / Not applicable

APPLICATIONS INFORMATION
GND
V
5V TO 20V
IN
REFER TO
TABLE 1
V
OUT
Figure 20. V
66.5k
R
5V TO 3.3V AT 5A WITH f
SET
Figure 21. Typical Application, 5V to 20V Input, 0.6V to 5V Output, 6A Max
7V TO 20V AT 5A WITH f
RUN/SOFT-START
RUN/SOFT-START
+
C3
10μF
25V
C3
10μF
25V
100pF
C3
C
150μF
BULK
IN
7V TO 20V
4.5V TO 7V
IN
C1
10μF
25V
V
C1
10μF
25V
IN
V
C4
OPT
to V
IN
C
10μF
×2
CER
ADJ
ADJ
IN
OUT
= 30.1k
= 15k
EXTV
FCB
RUN/SS
COMP
EXTV
FCB
RUN/SS
COMP
EXTV
SV
f
V
COMP
FCB
PGOOD
SGND
Step-Down Ratio for 12V
ADJ
OSET
IN
CC
CC
SGND
CC
SGND
V
V
IN
IN
LTM4602
LTM4602
(MULTIPLE PINS)
(MULTIPLE PINS)
5V to 3.3V at 5A
12V to 5V at 5A
PGND
PGND
LTM4602
f
ADJ
f
ADJ
PGND
V
PGOOD
IN
PGOOD
V
V
V
30.1k
OSET
SV
4602 F20a
V
C1, C3: TDK C3216X5R1E106MT
C2: TAIYO YUDEN, JMK316BJ226ML
C4: SANYO POSCAP, 6TPE330MIL
OSET
SV
4602 F20b
OUT
C1, C3: TDK C3216X5R1E106MT
C2: TAIYO YUDEN, JMK316BJ226ML
C4: SANYO POSCAP, 6TPE330MIL
R1
(MULTIPLE PINS)
15k
OUT
R1
IN
IN
RUN/SS
OPEN DRAIN
OPEN DRAIN
IN
V
OUT
to 5V
C5
100pF
C5
100pF
OUT
4602 F21
3.3V AT 5A
5V AT 5A
R
22.1k
1%
R
13.7k
1%
C
REFER TO
TABLE 2
and 5V
SET
V
V
SET
OUT1
OUT
OUT
IN
C2
22μF
C2
22μF
+
EFFICIENCY = 94%
AT 5A LOAD
EFFICIENCY = 92.5%
AT 5A LOAD
to 3.3V
+
C
REFER TO
TABLE 2
+
0.6V TO 5V
REFER TO STEP-DOWN
RATIO GRAPH
OUT2
C4
330μF
6.3V
C4
330μF
6.3V
OUT
V
6A
GND
OUT
LTM4602
19
4602fa