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LTM4608A
ABSOLUTE MAXIMUM RATINGS
(Note 1)
PIN CONFIGURATION
7
V IN , SV IN ...................................................... –0.3V to 6V
CLKOUT ....................................................... –0.3V to 2V
PGOOD, PLLLPF, CLKIN, PHMODE, MODE . –0.3V to V IN
I TH , I THM , RUN, FB, TRACK,MGN, BSEL...... –0.3V to V IN
V OUT , SW ...................................... –0.3V to (V IN + 0.3V)
Internal Operating Temperature Range
(Note 2) .................................................. –55°C to 125°C
Storage Temperature Range .................. –55°C to 125°C
1
2
3
CLKIN
4
PHMODE
5
MODE
PGOOD 6
BSEL
MGN
8
A
GND
B
TOP VIEW
C D E
V IN
SW
FB
F
G
GND
RUN
SGND
CLKOUT
PLLLPF
SV IN
I THM
TRACK
I TH
9
10
11
GND
V OUT
LGA PACKAGE
68-LEAD (15mm × 9mm × 2.82mm)
T JMAX = 125°C, θ JA = 25°C/W, θ JCbottom = 7°C/W, θ JCtop = 50°C/W, WEIGHT = 1.0g
ORDER INFORMATION
LEAD FREE FINISH
TRAY
PART MARKING* PACKAGE DESCRIPTION
TEMPERATURE RANGE (NOTE 2)
LTM4608AEV#PBF
LTM4608AIV#PBF
LTM4608AEV#PBF
LTM4608AIV#PBF
LTM4608AV
LTM4608AV
68-Lead (15mm × 9mm × 2.82mm) LGA
68-Lead (15mm × 9mm × 2.82mm) LGA
–40°C to 125°C
–40°C to 125°C
LTM4608AMPV#PBF
LTM4608AMPV#PBF LTM4608AMPV
68-Lead (15mm × 9mm × 2.82mm) 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 specified internal
operating temperature range (Note 2), otherwise specifications are at T A = 25°C. V IN = 5V unles s otherwise n oted.   Se e Figure 1.
SYMBOL
V IN(DC)
PARAMETER
Input DC Voltage
CONDITIONS
l
MIN
2.7
TYP
MAX
5.5
UNITS
V
V OUT(DC)
Output Voltage, Total Variation
with Line and Load
C IN = 10μF × 1, C OUT = 100μF Ceramic,
100μF POSCAP, R FB = 6.65k, MODE = 0V
V IN = 2.7V to 5.5V, I OUT = I OUT(DC)MIN to
I OUT(DC)MAX (Note 3)
l
1.472
1.464
1.49
1.49
1.508
1.516
V
V
Input Specifications
V IN(UVLO)
Undervoltage Lockout Threshold
SV IN Rising
SV IN Falling
2.05
1.85
2.2
2.0
2.35
2.15
V
V
4608afd
2
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