DC1477A Linear Technology, DC1477A Datasheet - Page 21

• Manufacturer Part Number: DC1477A
• Description: BOARD EVAL LTM4609
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1477A

• Main Purpose: DC/DC, Step Up or Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 30V
• Current - Output: 10A
• Voltage - Input: 10 ~ 36V
• Regulator Topology: Buck-Boost
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4609
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Power - Output: -

TYPICAL APPLICATIONS
Figure 17. Boost Mode Operation with 5V to 12V Input with Low Switching Noise (Optional)
5V TO 12V
12V TO 36V
V
IN
V
1.5k
IN
R1
R3
1k
1.5k
R1
R3
1k
Figure 16. Buck Mode Operation with 12V to 36V Input
4.7μF
35V
ON/OFF
0.1μF
C3
10μF
50V
×2
ON/OFF
0.1μF
C3
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
CC
CC
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
V
LTM4609
CC
IN
CC
PGND
V
LTM4609
PLLIN
IN
PGND
SENSE
SENSE
R
PLLIN
SENSE
V
SW1
SW2
FCB
OUT
V
FB
SENSE
SENSE
R
+
–
SENSE
V
SW1
SW2
FCB
CLOCK SYNC
OUT
V
FB
+
–
3.3μH
L1
R
7.15k
CLOCK SYNC
FB
4.7μH
R2
8mΩ
L1
R
7.15k
FB
4609 TA03
SWITCHING NOISE
R2
9mΩ
2Ω
OPTIONAL
FOR LOW
4609 TA02
+
2200pF
100μF
25V
V
12V
10A
OUT
22μF
25V
×2
+
LTM4609
330μF
25V
V
12V
4A
OUT
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