LTM4609IV#PBF Linear Technology, LTM4609IV#PBF Datasheet - Page 21

• Manufacturer Part Number: LTM4609IV#PBF
• Description: IC BUCK/BOOST SYNC ADJ 4A 141LGA
• Manufacturer: Linear Technology
• Series: µModuler
• Type: Point of Load (POL) Non-Isolatedr

Specifications of LTM4609IV#PBF

• Design Resources: LTM4609 Spice Model
• Output: 0.8 ~ 34 V
• Number Of Outputs: 1
• Power (watts): 136W
• Mounting Type: Surface Mount
• Voltage - Input: 4.5 ~ 36 V
• Package / Case: 141-LGA
• 1st Output: 0.8 ~ 34 VDC @ 4A
• Size / Dimension: 0.59" L x 0.59" W x 0.11" H (15mm x 15mm x 2.8mm)
• Power (watts) - Rated: 136W
• Operating Temperature: -40°C ~ 85°C
• Efficiency: 98%
• Dc To Dc Converter Type: Non-Inverting/Inverting/Step Up/Step Down
• Pin Count: 141
• Input Voltage: 36V
• Output Voltage: 0.8 to 34V
• Switching Freq: 200 TO 400KHz
• Output Current: 4A
• Package Type: LGA
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: -0.50%
• Line Regulation: 0.02%/V
• Mounting: Surface Mount
• Input Voltage (min): 4.5V
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• 3rd Output: -
• 2nd Output: -
• Lead Free Status / Rohs Status: Compliant

TYPICAL APPLICATIONS
Figure 17. Boost Mode Operation with 5V to 12V Input with Low Switching Noise (Optional)
5V TO 12V
12V TO 36V
V
IN
V
1.5k
IN
R1
R3
1k
1.5k
R1
R3
1k
Figure 16. Buck Mode Operation with 12V to 36V Input
4.7μF
35V
ON/OFF
0.1μF
C3
10μF
50V
×2
ON/OFF
0.1μF
C3
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
CC
CC
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
V
LTM4609
CC
IN
CC
PGND
V
LTM4609
PLLIN
IN
PGND
SENSE
SENSE
R
PLLIN
SENSE
V
SW1
SW2
FCB
OUT
V
FB
SENSE
SENSE
R
+
–
SENSE
V
SW1
SW2
FCB
CLOCK SYNC
OUT
V
FB
+
–
3.3μH
L1
R
7.15k
CLOCK SYNC
FB
4.7μH
R2
8mΩ
L1
R
7.15k
FB
4609 TA03
SWITCHING NOISE
R2
9mΩ
2Ω
OPTIONAL
FOR LOW
4609 TA02
+
2200pF
100μF
25V
V
12V
10A
OUT
22μF
25V
×2
+
LTM4609
330μF
25V
V
12V
4A
OUT
21
4609fb