LTM4619IV#PBF Linear Technology, LTM4619IV#PBF Datasheet - Page 5
LTM4619IV#PBF
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
50mV/DIV
Typical perForMance characTerisTics
50mV/DIV
1A/DIV
1A/DIV
V
V
I
I
OUT
OUT
OUT
OUT
6V
f = 780kHz
C
C
1.2V Output Transient Response
6V
f = 780kHz
C
C
3.3V Output Transient Response
OUT
OUT
OUT
OUT
IN
IN
1.2V
3.3V
2× 22µF, 6.3V X5R CERAMIC
1× 330µF, 6.3V SANYO POSCAP
2× 22µF, 6.3V X5R CERAMIC
1× 330µF, 6.3V SANYO POSCAP
OUT
OUT
0.5A/DIV
AT 2A/µs LOAD STEP
AT 2A/µs LOAD STEP
1V/DIV
V
OUT
100µs/DIV
100µs/DIV
I
IN
V
C
AND 1× 100µF 6.3V CERAMIC CAPs
Short Circuit, I
IN
OUT
= 12V, V
= 2× 22µF 10V,
OUT
= 2.5V, I
50µs/DIV
4619 G07
4619 G04
OUT
OUT
= 0A
50mV/DIV
= 0A
0.5A/DIV
1A/DIV
1V/DIV
V
I
OUT
OUT
V
I
IN
IN
6V
f = 780kHz
C
C
1.5V Output Transient Response
Start-Up, I
V
C
AND 1× 100µF 6.3V CERAMIC CAPs
C
USE RUN PIN TO CONTROL START-UP
OUT
OUT
IN
OUT
SOFTSTART
4619 G10
IN
= 12V, V
1.5V
2× 22µF, 6.3V X5R CERAMIC
1× 330µF, 6.3V SANYO POSCAP
= 2× 22µF 10V
OUT
OUT
= 0.1µF
AT 2A/µs LOAD STEP
OUT
= 2.5V, I
100µs/DIV
20ms/DIV
= 0A
0.5A/DIV
1V/DIV
OUT
V
OUT
I
= 0A
IN
V
C
AND 1× 100µF 6.3V CERAMIC CAPs
Short Circuit, I
IN
OUT
= 12V, V
= 2× 22µF 10V,
(Refer to Figures 18 and 19)
4619 G05
4619 G08
OUT
= 2.5V, I
50µs/DIV
50mV/DIV
OUT
0.5A/DIV
1A/DIV
1V/DIV
V
OUT
I
OUT
OUT
= 4A
V
I
IN
IN
= 4A
6V
f = 780kHz
C
C
2.5V Output Transient Response
Start-Up, I
V
I
C
AND 1× 100µF 6.3V CERAMIC CAPs
C
USE RUN PIN TO CONTROL START-UP
OUT
OUT
OUT
IN
OUT
SOFTSTART
IN
= 12V, V
2.5V
= 4A RESISTIVE LOAD
2× 22µF, 6.3V X5R CERAMIC
1× 330µF, 6.3V SANYO POSCAP
= 2× 22µF 10V,
OUT
4619 G11
OUT
= 0.1µF
AT 2A/µs LOAD STEP
OUT
= 2.5V,
100µs/DIV
20ms/DIV
= 4A
LTM4619
4619 G06
4619 G09
4619fa
5