DC1198A-A Linear Technology, DC1198A-A Datasheet - Page 5
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DC1198A-A
Manufacturer Part Number
DC1198A-A
Description
BOARD EVAL LTM4605
Manufacturer
Linear Technology
Series
µModuler
Specifications of DC1198A-A
Design Resources
LTM4605 Spice Model LTM460(5,7) Gerber Files DC1198 Design Files DC1198A-(A,B) Schematic
Main Purpose
DC/DC, Step Up or Down
Outputs And Type
1, Non-Isolated
Power - Output
-
Voltage - Output
12V
Current - Output
5A
Voltage - Input
4.5 ~ 20V
Regulator Topology
Buck-Boost
Frequency - Switching
300kHz
Board Type
Fully Populated
Utilized Ic / Part
LTM4605
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
TYPICAL PERFORMANCE CHARACTERISTICS
200mV/DIV
2A/DIV
100
100
90
80
70
60
50
40
30
20
10
V
95
90
85
80
75
70
65
60
I
0
OUT
OUT
0.01
Effi ciency vs Load Current
6V
Effi ciency vs Load Current
3.3μH Inductor (CCM)
0
Transient Response from
6V
LOAD STEP: 0A TO 3A AT CCM
OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND
2x 180μF ELECTROLYTIC CAPS
2x 15mΩ SENSING RESISTORS
IN
IN
to 12V
to 12V
3
LOAD CURRENT (A)
LOAD CURRENT (A)
0.1
OUT
OUT
200μs/DIV
6
18V
12V
5V
1
IN
IN
IN
9
TO 5V
TO 5V
TO 5V
CCM
DCM
BURST
4605 G01
OUT
4605 G04
OUT
OUT
4605 G07
10
12
200mV/DIV
2A/DIV
100
100
90
80
70
60
50
40
30
20
10
V
95
90
85
80
75
70
65
60
55
50
I
0
OUT
OUT
0.01
Effi ciency vs Load Current
12V
Effi ciency vs Load Current
1.5μH Inductor (CCM)
0
Transient Response from
12V
LOAD STEP: 0A TO 3A AT CCM
OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND
2x 180μF ELECTROLYTIC CAPS
2x 15mΩ SENSING RESISTORS
IN
IN
to 12V
to 12V
3
LOAD CURRENT (A)
LOAD CURRENT (A)
0.1
OUT
OUT
200μs/DIV
6
18V
12V
5V
1
IN
IN
IN
TO 3.3V
TO 3.3V
TO 3.3V
9
CCM
DCM
BURST
(Refer to Figure 16)
OUT
4605 G02
4605 G05
OUT
OUT
4605 G08
10
12
100mV/DIV
2A/DIV
100
95
85
75
65
55
45
35
25
15
95
90
85
80
75
70
65
60
55
50
V
I
OUT
OUT
0.01
0
Effi ciency vs Load Current
18V
Effi ciency vs Load Current
1.5μH Inductor (CCM)
Transient Response from
18V
LOAD STEP: 0A TO 4A AT CCM
OUTPUT CAPS: 4x 22μF CERAMIC CAPS AND
2x 180μF ELECTROLYTIC CAPS
2x 15mΩ SENSING RESISTORS
IN
IN
to 12V
0.1
to 12V
3
LOAD CURRENT (A)
LOAD CURRENT (A)
OUT
OUT
200μs/DIV
LTM4605
1
6
18V
12V
5V
IN
IN
IN
TO 2.5V
CCM
DCM
SKIP CYCLE
10
TO 2.5V
TO 2.5V
9
OUT
4605 G03
4605 G06
OUT
OUT
4605fc
5
4605 G09
100
12