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LTM4601AHV
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the specified operating
temperature range (Note 2). Otherwise specifications are at T A = 25°C, V IN = 12V, per typical application (front page) configuration,
R SET = 40.2k.
SYMBOL
V IN(DC)
PARAMETER
Input DC Voltage
CONDITIONS
l
MIN
4.5
TYP
MAX
28
UNITS
V
V OUT(DC)
Output Voltage Total Variation with
Line and Load
C IN = 10μF × 3, C OUT = 200μF, R SET = 40.2k
V IN = 5V to 28V, I OUT = 0A to 12A (Note 5)
l
1.478
1.5
1.522
V
Input Specifications
V IN(UVLO)
I INRUSH(VIN)
I Q(VIN,NO LOAD)
I S(VIN)
Undervoltage Lockout Threshold
Input Inrush Current at Startup
Input Supply Bias Current
Input Supply Current
I OUT = 0A
I OUT = 0A. V OUT = 1.5V
V IN = 5V
V IN = 12V
V IN = 12V, No Switching
V IN = 12V, V OUT = 1.5V, Switching Continuous
V IN = 5V, No Switching
V IN = 5V, V OUT = 1.5V, Switching Continuous
Shutdown, RUN = 0, V IN = 12V
V IN = 12V, V OUT = 1.5V, I OUT = 12A
V IN = 12V, V OUT = 3.3V, I OUT = 12A
V IN = 5V, V OUT = 1.5V, I OUT = 12A
3.2
0.6
0.7
3.8
38
2.5
42
22
1.81
3.63
4.29
4
V
A
A
mA
mA
mA
mA
μA
A
A
A
INTV CC
V IN = 12V, RUN > 2V
No Load
4.7
5
5.3
V
Output Specification s
I OUTDC
Δ V OUT(LINE)
V OUT
Δ V OUT(LOAD)
V OUT
V OUT(AC)
f S
Δ V OUT(START)
t START
Δ V OUTLS
Output Continuous Current Range
Line Regulation Accuracy
Load Regulation Accuracy
Output Ripple Voltage
Output Ripple Voltage Frequency
Turn-On Overshoot
Turn-On Time
Peak Deviation for Dynamic Load
V IN = 12V, V OUT = 1.5V (Note 5)
V OUT = 1.5V, I OUT = 0A, V IN from 4.5V to 28V
V OUT = 1.5V, I OUT = 0A to 12A, V IN = 12V, with
Remote Sense Amplifier (Note 5)
I OUT = 0A, C OUT = 2 × 100μF X5R Ceramic
V IN = 12V, V OUT = 1.5V
V IN = 5V, V OUT = 1.5V
I OUT = 5A, V IN = 12V, V OUT = 1.5V
C OUT = 200μF, V OUT = 1.5V, I OUT = 0A,
TRACK/SS = 10nF
V IN = 12V
V IN = 5V
C OUT = 200μF, V OUT = 1.5V, TRACK/SS = Open,
I OUT = 1A Resistive Load
V IN = 12V
V IN = 5V
Load: 0% to 50% to 0% of Full Load,
C OUT = 2 × 22μF Ceramic, 470μF 4V Sanyo
POSCAP
V IN = 12V
V IN = 5V
l
l
0
20
18
850
20
20
0.5
0.7
35
35
12
0.3
0.25
A
%
%
mV P-P
mV P-P
kHz
mV
mV
ms
ms
mV
mV
t SETTLE
Settling Time for Dynamic Load Step Load: 0% to 50%, or 50% to 0% of Full Load
V IN = 12V
25
μs
I OUTPK
Output Current Limit
C OUT = 200μF Ceramic
V IN = 12V, V OUT = 1.5V
V IN = 5V, V OUT = 1.5V
17
17
A
A
For more information www.linear.com/LTM4601AHV
4601ahvfc
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