LTM4619IV#PBF Linear Technology, LTM4619IV#PBF Datasheet - Page 5

• 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

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
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