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LTM4603/LTM4603-1
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
I Q(VIN,NOLOAD)
PARAMETER
Input Supply Bias Current
CONDITIONS
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
MIN
TYP
3.8
25
2.5
43
MAX
UNITS
mA
mA
mA
mA
22
μA
I S(VIN)
Input Supply Current
V IN = 12V, V OUT = 1.5V, I OUT = 6A
V IN = 12V, V OUT = 3.3V, I OUT = 6A
V IN = 5V, V OUT = 1.5V, I OUT = 6A
0.92
1.83
2.12
A
A
A
INTV CC
V IN = 12V, RUN > 2V
No Load
4.7
5
5.3
V
Output Specifications
I OUTDC
?V OUT(LINE)
Output Continuous Current Range
Line Regulation Accuracy
V IN = 12V, V OUT = 1.5V (Note 5)
V OUT = 1.5V, I OUT = 0A, V IN = 4.5V to 20V
l
0
6
0.3
A
%
V OUT
?V OUT(LOAD)
V OUT
V OUT(AC)
f S
Δ V OUT(START)
t START
Δ V OUTLS
Load Regulation Accuracy
Output Ripple Voltage
Output Ripple Voltage Frequency
Turn-On Overshoot
Turn-On Time
Peak Deviation for Dynamic Load
V OUT = 1.5V, I OUT = 0A to 6A (Note 5)
V IN = 12V, with Remote Sense Amp
V IN = 12V, LTM4603-1
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 = 3A, 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
10
10
1000
20
20
0.5
0.5
35
35
0.25
0.5
%
%
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% to 10% of Full Load
V IN = 12V
25
μs
I OUTPK
Output Current Limit
C OUT = 2 × 100μF X5R Ceramic
V IN = 12V, V OUT = 1.5V
V IN = 5V, V OUT = 1.5V
8
8
A
A
Remote Sense Am p (LTM4603 Only, Not Supported in the LTM4603-1) (Note 3)
V OSNS+ , V OSNS–
CM Range
Common Mode Input Voltage Range V IN = 12V, RUN > 2V
0
INTV CC – 1
V
DIFFV OUT Range
V OS
AV
GBP
SR
Output Voltage Range
Input Offset Voltage Magnitude
Differential Gain
Gain Bandwidth Product
Slew Rate
V IN = 12V, DIFFV OUT Load = 100k
0
1
3
2
INTV CC – 1
1.25
V
mV
V/V
MHz
V/μs
4603fb
3
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