LTM4619IV#PBF Linear Technology, LTM4619IV#PBF Datasheet - Page 7

• Manufacturer Part Number: LTM4619IV#PBF
• Description: IC SWIT REG BUCK 4A ADJ 144LGA
• Manufacturer: Linear Technology
• Series: µModuler
• Type: Point of Load (POL) Non-Isolatedr

Specifications of LTM4619IV#PBF

• Design Resources: LTM4619 Spice Model
• Output: 0.8 ~ 5 V
• Number Of Outputs: 2
• Power (watts): 30W
• Mounting Type: Surface Mount
• Voltage - Input: 4.5 ~ 26.5 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: 30W
• Operating Temperature: -40°C ~ 125°C
• Dc To Dc Converter Type: Step Down
• Pin Count: 144
• Input Voltage: 26.5V
• Output Voltage: 0.8 to 5V
• Switching Freq: 860KHz
• Output Current: 4A
• Package Type: LGA
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 0.8%
• Line Regulation: 0.3%
• Mounting: Surface Mount
• Input Voltage (min): 4.5V
• 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
C
IN
OUT1
OUT2

 
= UVLO THRESHOLD = 1.22V
R1+ R2
R2

 
• V
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
IN
= 4.5V to 26.5V, V
= 4.5V to 26.5V, V
V
IN
R1
R2
MODE/PLLIN
OUT1
OUT1
C
C
SS1
SS2
PGOOD
EXTV
COMP1
COMP2
TK/SS1
TK/SS2
INTV
= 2.5V, V
= 2.5V, V
SGND
RUN1
RUN2
FREQ
CC
CC
*USE EXTV
OUT2
OUT2
INTERNAL
INTERNAL
INTERNAL
Figure 1. Simplified LTM4619 Block Diagram
FILTER
COMP
COMP
= 3.3V)
= 3.3V)
CC
FOR V
IN
≤ 5.5V, OR TIE V
INTERNAL
CONTROL
CONDITIONS
I
I
I
POWER
T
OUT1
OUT1
OUT2
FILTER
A
= 25°C. Use Figure 1 configuration.
= 4A, I
= 4A
= 4A
IN
OUT2
AND EXTV
= 4A
M1
M2
M3
M4
CC
TOGETHER FOR V
1.5µH
1.5µH
L1
L2
IN
60.4k
60.4k
≤ 5.5V
1.5µF
10µF
1.5µF
10µF
4619 BD
MIN
10
+
+
+
R
28k
R
19.1k
TYP
200
200
C
C
SET1
C
SET2
IN
OUT1
OUT2
LTM4619
V
4.5V TO 26.5V*
PGND
SW1
V
2.5V/4A
PGND
V
PGND
SW2
V
3.3V/4A
PGND
V
IN
OUT1
FB1
OUT2
FB2
MAX
UNITS
4619fa
7
µF
µF
µF