LTM4612IV#PBF Linear Technology, LTM4612IV#PBF Datasheet - Page 19

• Manufacturer Part Number: LTM4612IV#PBF
• Description: IC BUCK SYNC ADJ 5A 133LGA
• Manufacturer: Linear Technology
• Series: µModuler
• Type: Point of Load (POL) Non-Isolatedr

Specifications of LTM4612IV#PBF

• Design Resources: LTM4612 Spice Model
• Output: 3.3 ~ 15 V
• Number Of Outputs: 1
• Power (watts): 75W
• Mounting Type: Surface Mount
• Voltage - Input: 5 ~ 36 V
• Package / Case: 133-LGA
• 1st Output: 3.3 ~ 15 VDC @ 5A
• Size / Dimension: 0.59" L x 0.59" W x 0.11" H (15mm x 15mm x 2.8mm)
• Power (watts) - Rated: 75W
• Operating Temperature: -40°C ~ 125°C
• Dc To Dc Converter Type: Non-Inverting/Inverting/Step Up/Step Down
• Pin Count: 133
• Input Voltage: 36V
• Output Voltage: 3.3 to 15V
• Switching Freq: 940KHz
• Output Current: 5A
• Package Type: LGA
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 0.6%
• Line Regulation: 0.3%
• Mounting: Surface Mount
• Input Voltage (min): 5V
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Lead Free Status / Rohs Status: Compliant

applicaTions inForMaTion
EXTERNAL 5V SUPPLY
IMPROVES EFFICIENCY—
ESPECIALLY FOR HIGH
INPUT VOLTAGES
22V TO 36V
V
IN
5V TO 36V
V
C
10µF
50V CERAMIC
IN
IN
Figure 19. Typical 5V to 36V
R5
2M
PULL-UP SUPPLY ≤ 5V
C
10µF
50V CERAMIC
IN
PULL-UP SUPPLY ≤ 5V
R4
100k
R4
100k
R
191k
1%
Figure 18. Typical 22V to 36V
fSET
R3
100k
C4
0.01µF
ON/OFF
R3
100k
C4
0.01µF
ON/OFF
PGOOD
RUN
COMP
INTV
DRV
f
TRACK/SS
V
SET
D
V
PGOOD
RUN
COMP
INTV
DRV
f
TRACK/SS
SET
SGND
CC
C1
10µF
50V
CC
D
IN
SGND
LTM4612
CC
C1
10µF
50V
CC
V
, 3.3V at 5A Design with 400kHz Frequency
IN
LTM4612
V
PGND
IN
MARG0
MARG1
PGND
MPGM
PLLIN
V
MARG0
MARG1
FCB
OUT
V
MPGM
PLLIN
CLOCK SYNC
FB
V
FCB
OUT
V
CLOCK SYNC
FB
IN
, 12V at 5A Design
R1
392k
5% MARGIN
MARGIN
CONTROL
R1
392k
5% MARGIN
MARGIN
CONTROL
4612 F18
4612 F19
R
5.23k
FB
C3
22pF
R
22.1k
FB
C3
22pF
REFER TO TABLE 2
REFER TO TABLE 2
C
22µF
16V
OUT1
C
22µF
6.3V
OUT1
+
+
C
220µF
16V
OUT2
C
220µF
6.3V
LTM4612
OUT2
V
12V
5A
OUT
V
3.3V
5A
OUT

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