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LTM4603/LTM4603-1
ABSOLUTE MAXIMUM RATINGS
(Note 1)
INTV CC , DRV CC , V OUT_LCL , V OUT (V OUT ≤ 3.3V
with Remote Sense Amp)............................. –0.3V to 6V
PLLIN, TRACK/SS, MPGM, MARG0, MARG1,
PGOOD, f SET .............................. –0.3V to INTV CC + 0.3V
RUN ............................................................. –0.3V to 5V
V FB , COMP ................................................ –0.3V to 2.7V
V IN ............................................................. –0.3V to 20V
V OSNS+ , V OSNS – .......................... –0.3V to INTV CC + 0.3V
Operating Temperature Range (Note 2).... –40°C to 85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range .................. –55°C to 125°C
PIN CONFIGURATION
TOP VIEW
V IN
PGND
V OUT
f SET
MARG0
MARG1
DRV CC
V FB
PGOOD
SGND
V OSNS+ /NC2*
DIFFV OUT /NC3*
V OUT_LCL
V OSNS– /NC1*
LGA PACKAGE
118-LEAD (15mm × 15mm × 2.82mm)
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
*LTM4603-1 ONLY
ORDER INFORMATION
LEAD FREE FINISH
LTM4603EV#PBF
LTM4603IV#PBF
LTM4603EV-1#PBF
LTM4603IV-1#PBF
TRAY
LTM4603EV#PBF
LTM4603IV#PBF
LTM4603EV-1#PBF
LTM4603IV-1#PBF
PART MARKING*
LTM4603V
LTM4603V
LTM4603V-1
LTM4603V-1
PACKAGE DESCRIPTION
118-Lead (15mm × 15mm × 2.82mm) LGA
118-Lead (15mm × 15mm × 2.82mm) LGA
118-Lead (15mm × 15mm × 2.82mm) LGA
118-Lead (15mm × 15mm × 2.82mm) LGA
TEMPERATURE RANGE ?
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
? See Note 2.
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
operating temperature range (Note 2), otherwise specifications are at T A = 25°C, V IN = 12V, per typical application (front page)
configuration.
SYMBOL
V IN(DC)
PARAMETER
Input DC Voltage
CONDITIONS
l
MIN
4.5
TYP
MAX
20
UNITS
V
V OUT(DC)
Output Voltage
C IN = 10μF × 2, C OUT = 2 × 100μF X5R Ceramic
V IN = 5V, V OUT = 1.5V, I OUT = 0A
V IN = 12V, V OUT = 1.5V, I OUT = 0A
l
l
1.478
1.478
1.5
1.5
1.522
1.522
V
V
Input Specification s
V IN(UVLO)
I INRUSH(VIN)
Undervoltage Lockout Threshold
Input Inrush Current at Start-Up
I OUT = 0A
I OUT = 0A. V OUT = 1.5V
V IN = 5V
V IN = 12V
3.2
0.6
0.7
4
V
A
A
2
4603fb
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