DC1198A-A Linear Technology, DC1198A-A Datasheet - Page 8

• 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

SIMPLIFIED BLOCK DIAGRAM
LTM4605
DECOUPLING REQUIREMENTS
SYMBOL
C
C
8
IN
OUT
ON/OFF
SS
0.1μF
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
= 4.5V to 20V, V
= 4.5V to 20V, V
EXTV
INTV
PGOOD
RUN
STBYMD
COMP
SS
PLLIN
PLLFLTR
FCB
CC
CC
OUT
OUT
FILTER
COMP
INT
INT
= 12V)
= 12V)
100k
0.1μF
1000pF
Figure 1. Simplifi ed LTM4605 Block Diagram
CONTROLLER
CONDITIONS
I
I
OUT
OUT
T
= 5A
= 5A
A
= 25°C. Use Figure 1 confi guration.
M1
M2
M3
M4
FILTER
INT
CO1
100k
C1
SENSE
SENSE
R
PGND
SGND
SENSE
V
SW2
SW1
4605 BD
OUT
V
V
MIN
200
10
FB
IN
+
–
C
OUT
7.15k
TO PGND PLANE AS
SHOWN IN FIGURE 13
C
R
IN
FB
R
L
TYP
300
SENSE
4.5V TO 20V
12V
5A
MAX
UNITS
4605fc
μF
μF