LTM4614EV#PBF Linear Technology, LTM4614EV#PBF Datasheet - Page 7

• Manufacturer Part Number: LTM4614EV#PBF
• Description: IC UMODULE DC/DC DUAL 4A 144LGA
• Manufacturer: Linear Technology
• Series: µModuler
• Type: Point of Load (POL) Non-Isolatedr

Specifications of LTM4614EV#PBF

• Design Resources: LTM4614 Spice Model
• Output: 0.8 ~ 5 V
• Number Of Outputs: 2
• Power (watts): 12W
• Mounting Type: Surface Mount
• Voltage - Input: 2.38 ~ 5.5 V
• Package / Case: 144-LGA
• 1st Output: 0.8 ~ 5 VDC @ 4A
• 2nd Output: 0.8 ~ 5 VDC @ 4A
• Size / Dimension: 0.59" L x 0.59" W x 0.11" H (15mm x 15mm x 2.8mm)
• Power (watts) - Rated: 12W
• Operating Temperature: -40°C ~ 125°C
• Efficiency: 95%
• Dc To Dc Converter Type: Step Down
• Pin Count: 144
• Input Voltage: 5.5V
• Output Voltage: 1.49V
• Switching Freq: 1250KHz
• Output Current: 4A
• Package Type: LGA
• Output Type: Fixed
• Switching Regulator: Yes
• Load Regulation: 1.5%
• Line Regulation: 0.3%
• Mounting: Surface Mount
• Input Voltage (min): 2.375V
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• Lead Free Status / Rohs Status: Compliant

SIMPLIFIED BLOCK DIAGRAM
DECOUPLING REQUIREMENTS
SYMBOL
C
C
IN
OUT
SUPPLY
TRACK
4.99k
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
5.76k
= 2.375V to 5.5V, V
= 2.375V to 5.5V, V
C
SSEXT
Figure 1. Simplifi ed LTM4614 Block Diagram of Each Switching Regulator Channel
PGOOD
RUN/SS
TRACK
COMP
INTERNAL
COMP
R
1M
OUT
OUT
SS
C
1000pF
SS
= 1.5V)
= 1.5V)
CONTROL, DRIVE
POWER FETS
FB
R
5.76k
FB
CONDITIONS
I
I
OUT
OUT
T
A
= 4A
= 4A
= 25°C. Use Figure 1 confi guration for each channel.
4.7μF
6.3V
M1
M2
SW
470pF
L
C2
R1
4.99k
4.7μF
6.3V
V
GND
4614 F01
OUT
V
IN
MIN
22
66
22μF
6.3V
100μF
X5R
TYP
100
V
1.5V
4A
V
2.375V TO 5.5V
OUT
LTM4614
IN
MAX
UNITS
4614fa
7
μF
μF