LTM4609IV#PBF Linear Technology, LTM4609IV#PBF Datasheet - Page 8
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LTM4609IV#PBF
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
SIMPLIFIED BLOCK DIAGRAM
LTM4609
DECOUPLING REQUIREMENTS
SYMBOL
C
C
8
IN
OUT
SHOWN IN FIGURE 15
TO PGND PLANE AS
ON/OFF
SS
0.1μF
PARAMETER
External Input Capacitor Requirement
(V
External Output Capacitor Requirement
(V
IN
IN
= 4.5V to 36V, V
= 4.5V to 36V, V
EXTV
INTV
PGOOD
RUN
STBYMD
COMP
SS
PLLIN
PLLFLTR
FCB
SGND
CC
CC
OUT
OUT
1000pF
0.1μF
100k
= 12V)
= 12V)
FILTER
COMP
INT
INT
Figure 1. Simplifi ed LTM4609 Block Diagram
CONDITIONS
I
I
CONTROLLER
OUT
OUT
T
= 4A
= 4A
A
= 25°C. Use Figure 1 confi guration.
M1
M2
M3
M4
FILTER
INT
CO1
100k
C1
SENSE
SENSE
MIN
R
200
10
PGND
SENSE
V
SW2
SW1
OUT
4609 BD
V
V
FB
IN
+
–
C
OUT
7.15k
C
TYP
300
R
IN
FB
R
L
SENSE
4.5V TO 36V
12V
4A
MAX
UNITS
4609fb
μF
μF