LTM4600
ABSOLUTE MAXIMUM RATINGS
PIN CONFIGURATION
(Note 1)
TOP VIEW
FCB, EXTV , PGOOD, RUN/SS, V .......... –0.3V to 6V
CC
OUT
V , SV , f ............................................ –0.3V to 20V
IN
V
IN ADJ
COMP
SGND
RUN/SS
FCB
, COMP............................................. –0.3V to 2.7V
OSET
V
IN
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –55°C to 125°C
PGOOD
PGND
V
OUT
LGA PACKAGE
104-LEAD (15mm × 15mm × 2.8mm)
T
= 125°C, θ = 15°C/W, θ = 6°C/W,
JA JC
JMAX
θ
DERIVED FROM 95mm × 76mm PCB WITH 4 LAYERS
JA
WEIGHT = 1.7g
ORDER INFORMATION
LEAD FREE FINISH
LTM4600EV#PBF
LTM4600IV#PBF
PART MARKING
LTM4600EV
PACKAGE DESCRIPTION
TEMPERATURE RANGE
104-Lead (15mm × 15mm × 2.8mm) LGA
104-Lead (15mm × 15mm × 2.8mm) LGA
–40°C to 85°C
–40°C to 85°C
LTM4600IV
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
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 –40°C to 85°C
temperature range, otherwise specifications are at TA = 25°C, VIN = 12V. External CIN = 120μF, COUT = 200μF/Ceramic per typical
application (front page) configuration.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
l
l
V
V
Input DC Voltage
Output Voltage
4.5
20
V
IN(DC)
FCB = 0V
OUT(DC)
V
= 5V or 12V, V
= 1.5V, I = 0A
OUT
1.478
1.470
1.50
1.50
1.522
1.530
V
V
IN
OUT
Input Specifications
V
Under Voltage Lockout Threshold
Input Inrush Current at Startup
I
I
= 0A
3.4
4
V
IN(UVLO)
OUT
I
= 0A. V
= 1.5V, FCB = 0
OUT
INRUSH(VIN)
OUT
V
= 5V
= 12V
0.6
0.7
A
A
IN
IN
V
I
Input Supply Bias Current
I
= 0A, EXTV Open
Q(VIN)
OUT CC
V
= 12V, V
= 12V, V
= 1.5V, FCB = 5V
1.2
42
mA
mA
mA
mA
μA
IN
IN
IN
IN
OUT
OUT
V
V
V
= 1.5V, FCB = 0V
= 5V, V
= 5V, V
= 1.5V, FCB = 5V
= 1.5V, FCB = 0V
1.0
52
OUT
OUT
Shutdown, RUN = 0.8V, V = 12V
35
75
IN
4600fc
2