DC1392A Linear Technology, DC1392A Datasheet - Page 7

• Manufacturer Part Number: DC1392A
• Description: BOARD DEMO LTM4604A
• Manufacturer: Linear Technology
• Series: µModuler

Specifications of DC1392A

• Design Resources: LTM4604A Spice Model LTM4604 Gerber Files DC1392 Design File
• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Power - Output: -
• Voltage - Output: 0.8V, 1.2V, 1.5V, 1.8V, 2.5V, or 3.3V
• Current - Output: 4A
• Voltage - Input: 2.375 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 1.25MHz
• Board Type: Fully Populated
• Utilized Ic / Part: LTM4604A
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

BLOCK DIAGRAM
DECOUPLING REQUIREMENTS
SYMBOL
C
C
IN
SUPPLY
OUT
TRACK
4.99k
5.76k
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
RUN/SS
C
PGOOD
COMP
TRACK
SSEXT
= 2.375V to 5.5V, V
= 2.375V to 5.5V, V
C
1000pF
SS
INTERNAL
COMP
OUT
OUT
R
1M
Figure 1. Simplifi ed LTM4604A Block Diagram
SS
= 1.5V)
= 1.5V)
CONTROL,
R
5.76k
DRIVE
FB
FB
CONDITIONS
I
I
OUT
OUT
T
A
= 4A
= 4A
= 25°C. Use Figure 1 Confi guration.
10μF
6.3V
×2
M1
M2
SW
L
C2
470pF
R1
4.99k
MIN
10
22
10μF
6.3V
4604A BD
V
V
GND
IN
OUT
LTM4604A
TYP
100
10μF
6.3V
22μF
6.3V
×3
MAX
V
2.375V TO 5.5V
V
1.5V
4A
IN
OUT
UNITS
4604af
7
μF
μF