LTM4609IV#PBF Linear Technology, LTM4609IV#PBF Datasheet - Page 22

• 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

LTM4609
TYPICAL APPLICATIONS
22
0.1μF
R4
324k
C1
2-PHASE OSCILLATOR
V
GND
SET
+
LTC6908-1
5V TO 36V
OUT1
OUT2
MOD
V
8V TO 36V
IN
V
IN
1.5k
R1
R3
1k
10μF
50V
10μF
50V
Figure 20. Two-Phase Parallel, 12V at 8A Design
10μF
50V
×2
ON/OFF
0.1μF
R5
100k
C3
5.1V
Figure 19. 32V at 2A Design
0.1μF
C3
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
CC
CC
V
LTM4609
IN
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
PGOOD
RUN
COMP
INTV
PLLFLTR
EXTV
STBYMD
SS
SGND
PGND
PLLIN
CC
CC
CC
CC
SENSE
SENSE
V
V
LTM4609
LTM4609
R
IN
IN
SENSE
PGND
PGND
V
SW1
SW2
FCB
OUT
V
FB
PLLIN
PLLIN
+
–
CLOCK SYNC
CLOCK SYNC 0° PHASE
CLOCK SYNC 180° PHASE
SENSE
SENSE
SENSE
SENSE
R
R
4.7μH
SENSE
SENSE
V
V
L1
4609 TA06
SW1
SW2
SW1
SW2
R
2.55k
FCB
FCB
OUT
OUT
V
V
FB
FB
FB
+
–
+
–
R2
9mΩ
4609 TA05
3.3μH
3.3μH
L1
L2
R2
8mΩ
R
3.57k
R3
8mΩ
+
FB
*
220μF
50V
V
32V
2A
OUT
*R
WHERE N IS THE NUMBER
OF PARALLELED MODULES.
V
OUT
FB
C2
22μF
25V
×2
C4
22μF
25V
×2
IS SELECTED USING
0.8V
+
+
100k
N
R
FB
330μF
25V
330μF
25V
R
FB
V
12V
8A
OUT
4609fa