DC1041A-A Linear Technology, DC1041A-A Datasheet - Page 9

• Manufacturer Part Number: DC1041A-A
• Description: BOARD EVAL LTM4601
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1041A-A

• Design Resources: LTM4601 Spice Model LTM4601 Gerber Files DC1041 Design File DC1041 Schematic
• 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: 12A
• Voltage - Input: 4.5 ~ 20V
• Regulator Topology: Buck
• Frequency - Switching: 850kHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4601A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

DECOUPLING REQUIREMENTS
SIMPLIFIED BLOCK DIAGRAM
SYMBOL
C
C
IN
OUT
C
40.2k
<0.9V = OFF
R
SS
MAX = 5V
>2V = ON
SET
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
TRACK/SS
V
OUT_LCL
= 4.5V to 20V, V
= 4.5V to 20V, V
MARG1
MARG0
PGOOD
INTV
MPGM
DRV
COMP
PLLIN
SGND
RUN
f
V
SET
CC
CC
FB
INTERNAL
OUT
OUT
COMP
Figure 1. Simplifi ed LTM4601/LTM4601-1 Block Diagram
39.2k
= 1.5V)
= 1.5V)
4.7μF
60.4k
(50Ω, LTM4601-1)
CONDITIONS
I
I
OUT
OUT
50k
1M
POWER CONTROL
T
= 12A, 3× 10μF Ceramics
= 12A
A
50k
= 25°C, V
50k
V
OUT
5.1V
ZENER
IN
= 12V. Use Figure 1 confi guration.
10k
INTV
LTM4601/LTM4601-1
CC
–
+
Q1
Q2
10k
10k
22μF
1.5μF
10k
MIN
100
20
PGND
V
V
DIFFV
C
+
OSNS
OSNS
OUT
4601 F01
OUT
+
–
+
TYP
200
C
30
IN
V
4.5V TO 20V
V
1.5V
12A
IN
OUT
MAX
NOT INCLUDED
IN THE LTM4601-1
V
V
DIFFV
OSNS
OSNS
OUT
–
+
= NC1
= NC2
= NC3
UNITS
4601fb
9
μF
μF