LTM4604A
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 unless otherwise noted. See Figure 15.
SYMBOL
V IN(DC)
PARAMETER
Input DC Voltage
CONDITIONS
l
MIN
2.375
TYP
MAX
5.5
UNITS
V
V OUT(DC)
Output Voltage, Total Variation C IN = 10μF, C OUT = 22μF × 3, R FB = 5.69k
with Line and Load V IN = 2.375V to 5.5V, I OUT = 0A to 4A (Note 3)
l
1.482
1.474
1.5
1.5
1.518
1.522
V
V
Input Specifications
V IN(UVLO)
I INRUSH(VIN)
I Q(VIN NOLOAD)
I S(VIN)
Undervoltage Lockout
Threshold
Peak Input Inrush Current at
Start-Up
Input Supply Bias Current
Input Supply Current
I OUT = 0A
I OUT = 0A, C IN = 10μF, C OUT = 22μF × 3,
RUN/SS = 0.01μF, V OUT = 1.5V
V IN = 3.3V
V IN = 5V
V IN = 3.3V, No Switching
V IN = 3.3V, 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 = 5V
V IN = 2.5V, V OUT = 1.5V, I OUT = 4A
V IN = 3.3V, V OUT = 1.5V, I OUT = 4A
V IN = 5V, V OUT = 1.5V, I OUT = 4A
1.75
2
0.7
0.7
60
28
100
35
7
2.9
2.2
1.45
2.3
V
A
A
μA
mA
μA
mA
μA
A
A
A
Output Specification s
I OUT(DC)
Output Continuous Current
Range
V IN = 3.3V, V OUT = 1.5V (Note 3)
4
A
ΔV OUT(LINE)
Line Regulation Accuracy
V OUT = 1.5V, V IN from 2.375V to 5.5V, I OUT = 0A
l
0.1
0.2
%
V OUT
ΔV OUT(LOAD)
V OUT
V OUT(AC)
f S
ΔV OUT(START)
t START
ΔV OUT(LS)
t SETTLE
I OUT(PK)
Load Regulation Accuracy
Output Ripple Voltage
Output Ripple Voltage
Frequency
Turn-On Overshoot
Turn-on Time
Peak Deviation for Dynamic
Load Step
Settling Time for Dynamic
Load Step
Output Current Limit
V OUT = 1.5V, 0A to 4A (Note 3)
V IN = 3.3V
V IN = 5V
I OUT = 0A
V IN = 3.3V, V OUT = 1.5V
V IN = 5V, V OUT = 1.5V
I OUT = 4A, V IN = 5V, V OUT = 1.5V
V OUT = 1.5V, RUN/SS = 10nF, C OUT = 22μF × 3,
I OUT = 0A
V IN = 3.3V
V IN = 5V
C OUT = 22μF × 3, V OUT = 1.5V, I OUT = 1A Resistive Load,
TRACK = V IN and RUN/SS = Float
V IN = 3.3V
V IN = 5V
Load: 0% to 50% to 0% of Full Load,
C OUT = 22μF ×3 Ceramic
V IN = 5V, V OUT = 1.5V
Load: 0% to 50% to 0% of Full Load
V IN = 5V, V OUT = 1.5V
V IN = 3.3V, V OUT = 1.5V
V IN = 5V, V OUT = 1.5V
l
l
0.3
0.3
10
12
1.25
20
20
1.5
1.0
25
10
8
8
0.6
0.6
%
%
mV P-P
mV P-P
MHz
mV
mV
ms
ms
mV
μs
A
A
3
For more information www.linear.com/LTM4604A
4604afa
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