DC1477A Linear Technology, DC1477A Datasheet - Page 8

• 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: -

SIMPLIFIED BLOCK DIAGRAM
LTM4609
DECOUPLING REQUIREMENTS
SYMBOL
C
C
8
IN
OUT
SHOWN IN FIGURE 15
TO PGND PLANE AS
ON/OFF
SS
0.1μF
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
= 4.5V to 36V, V
= 4.5V to 36V, V
EXTV
INTV
PGOOD
RUN
STBYMD
COMP
SS
PLLIN
PLLFLTR
FCB
SGND
CC
CC
OUT
OUT
1000pF
0.1μF
100k
= 12V)
= 12V)
FILTER
COMP
INT
INT
Figure 1. Simplifi ed LTM4609 Block Diagram
CONDITIONS
I
I
CONTROLLER
OUT
OUT
T
= 4A
= 4A
A
= 25°C. Use Figure 1 confi guration.
M1
M2
M3
M4
FILTER
INT
CO1
100k
C1
SENSE
SENSE
MIN
R
200
10
PGND
SENSE
V
SW2
SW1
OUT
4609 BD
V
V
FB
IN
+
–
C
OUT
7.15k
C
TYP
300
R
IN
FB
R
L
SENSE
4.5V TO 36V
12V
4A
MAX
UNITS
4609fb
μF
μF