Linear Technology EN55022B, Руководство пользователя

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LTM4612
2
4612fc
For more information www.linear.com/LTM4612
PIN CONFIGURATION ABSOLUTE MAXIMUM RATINGS
INTV
CC,
DRV
CC
............................................. –0.3V to 6V
V
OUT
........................................................... –0.3V to 16V
PLLIN, FCB, TRACK/SS, MPGM, MARG0,
MARG1, PGOOD ....................–0.3V to INTV
CC
+ 0.3V
RUN .............................................................–0.3V to 5V
V
FB
, COMP ................................................ –0.3V to 2.7V
V
IN
, V
D
....................................................... –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
(Note 1)
MARG1
DRV
CC
V
FB
PGOOD
SGND
NC
NC
NC
FCB
V
IN
BANK 1
V
D
PGND
BANK 2
V
OUT
BANK 3
f
SET
MARG0
RUN COMP MPGM PLLIN INT
V
CC
TRACK/SS
LGA PACKAGE
133-LEAD (15mm × 15mm × 2.8mm)
TOP VIEW
SGND
12 2 1 4 3 5 6 9 8 10 11 7
A
B
C
D
E
F
G
H
J
K
L
M
T
JMAX
= 125°C,
θ
JA
= 15°C/W,
θ
JC
= 6°C/W
θ
JA
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
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN(DC)
Input DC Voltage
l
5 36 V
V
OUT(DC)
Output Voltage C
IN
= 10µF
×
3, C
OUT
= 300µF; FCB = 0
V
IN
= 24V, V
OUT
= 12V, I
OUT
= 0A
V
IN
= 36V, V
OUT
=12V, I
OUT
= 0A
l
l
11.83
11.83
12.07
12.07
12.31
12.31
V
V
Input Specifications
V
IN(UVLO)
Undervoltage Lockout Threshold I
OUT
= 0A 3.2 4.8 V
I
INRUSH(VIN)
Input Inrush Current at Start-Up I
OUT
= 0A; C
IN
= 10µF
×
2, C
OUT
= 200µF;
V
OUT
= 12V
V
IN
= 24V
V
IN
= 36V
0.6
0.7
A
A
The
l
denotes the specifications which apply over the specified internal
operating temperature range, otherwise specifications are at T
A
= 25°C, V
IN
= 24V, unless otherwise noted (Note 2). Per Typical
Application (front page) configuration.
http://www.linear.com/product/LTM4612#orderinfo