LTM4612 Ver la hoja de datos (PDF) - Linear Technology
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LTM4612 Datasheet PDF : 24 Pages
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LTM4612
ABSOLUTE MAXIMUM RATINGS
(Note 1)
INTVCC, DRVCC ............................................. –0.3V to 6V
VOUT........................................................... –0.3V to 16V
PLLIN, FCB, TRACK/SS, MPGM, MARG0,
MARG1, PGOOD, fSET ...........–0.3V to INTVCC + 0.3V
RUN ............................................................. –0.3V to 5V
VFB, COMP ................................................ –0.3V to 2.7V
VIN, VD....................................................... –0.3V to 36V
Internal Operating Temperature Range (Note 2)
E and I Grades ...................................–40°C to 125°C
MP Grade...........................................–55°C to 125°C
Junction Temperature ........................................... 125°C
Storage Temperature Range...................–55°C to 125°C
PIN CONFIGURATION
TOP VIEW
A
VIN B
BANK 1 C
D
E
PGND
BANK 2
F
G
H
J
VOUT K
BANK 3 L
M
VD
SGND
fSET
MARG0
MARG1
DRVCC
VFB
PGOOD
SGND
NC
NC
NC
FCB
1 2 3 4 5 6 7 8 9 10 11 12
LGA PACKAGE
133-LEAD (15mm × 15mm × 2.8mm)
TJMAX = 125°C, θJA = 15°C/W, θJC = 6°C/W
θJA DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS
WEIGHT = 1.7g
ORDER INFORMATION
LEAD FREE FINISH
TRAY
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTM4612EV#PBF
LTM4612EV#PBF
LTM4612V
133-Lead (15mm × 15mm × 2.8mm) LGA –40°C to 125°C
LTM4612IV#PBF
LTM4612IV#PBF
LTM4612V
133-Lead (15mm × 15mm × 2.8mm) LGA –40°C to 125°C
LTM4612MPV#PBF
LTM4612MPV#PBF LTM4612MPV
133-Lead (15mm × 15mm × 2.8mm) LGA –55°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at TA = 25°C, VIN = 24V, unless otherwise noted. Per Typical Application
(front page) configuration.
SYMBOL
VIN(DC)
VOUT(DC)
PARAMETER
Input DC Voltage
Output Voltage
Input Specifications
VIN(UVLO)
IINRUSH(VIN)
Undervoltage Lockout Threshold
Input Inrush Current at Start-Up
CONDITIONS
CIN = 10μF × 3, COUT = 300μF; FCB = 0
VIN = 24V, VOUT = 12V, IOUT = 0A
VIN = 36V, VOUT=12V, IOUT = 0A
IOUT = 0A
IOUT = 0A; CIN = 10μF × 2, COUT = 200μF;
VOUT = 12V
VIN = 24V
VIN = 36V
MIN TYP MAX UNITS
l
5
36
V
l 11.89 12.07 12.25
V
l 11.89 12.07 12.25
V
3.2
4.8
V
0.6
A
0.7
A
4612f
2
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