LTM4601A View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTM4601A' PDF : 28 Pages View PDF
LTM4601A/LTM4601A-1
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the – 40°C to 85°C
temperature range, otherwise specifications are at TA = 25°C, VIN = 12V. Per typical application (front page) configuration.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP
MAX UNITS
IQ(VIN,NOLOAD) Input Supply Bias Current
IS(VIN)
Input Supply Current
INTVCC
VIN = 12V, RUN > 2V
Output Specifications
VIN = 12V, No Switching
VIN = 12V, VOUT = 1.5V, Switching Continuous
VIN = 5V, No Switching
VIN = 5V, VOUT = 1.5V, Switching Continuous
Shutdown, RUN = 0, VIN = 12V
VIN = 12V, VOUT = 1.5V, IOUT = 12A
VIN = 12V, VOUT = 3.3V, IOUT = 12A
VIN = 5V, VOUT = 1.5V, IOUT = 12A
No Load
3.8
mA
38
mA
2.5
mA
42
mA
22
μA
1.81
A
3.63
A
4.29
A
4.7
5
5.3
V
IOUTDC
Output Continuous Current Range VIN = 12V, VOUT = 1.5V (Note 5)
0
ΔVOUT(LINE)
VOUT
Line Regulation Accuracy
VOUT = 1.5V, IOUT = 0A, VIN from 4.5V to 20V l
ΔVOUT(LOAD)
VOUT
Load Regulation Accuracy
VOUT = 1.5V, 0A to 12A (Note 5)
VIN = 12V, with Remote Sense Amplifier
l
VIN = 12V (LTM4601A-1)
l
VOUT(AC)
Output Ripple Voltage
IOUT = 0A, COUT = 2×, 100μF X5R Ceramic
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
fS
Output Ripple Voltage Frequency IOUT = 5A, VIN = 12V, VOUT = 1.5V
ΔVOUT(START)
Turn-On Overshoot,
TRACK/SS = 10nF
COUT = 200μF, VOUT = 1.5V, IOUT = 0A
VIN = 12V
VIN = 5V
tSTART
Turn-On Time, TRACK/SS = Open
COUT = 200μF, VOUT = 1.5V, IOUT = 1A Resisitive
Load
VIN = 12V
VIN = 5V
ΔVOUTLS
Peak Deviation for Dynamic Load
Load: 0% to 50% to 0% of Full Load,
COUT = 2 × 22μF Ceramic, 470μF 4V Sanyo
POSCAP
VIN = 12V
VIN = 5V
tSETTLE
Settling Time for Dynamic Load Step Load: 0% to 50%, or 50% to 0% of Full Load
VIN = 12V
IOUTPK
Output Current Limit
COUT = 200μF, Table 2
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
Remote Sense Amp (Note 3) (LTM4601A Only, Not Supported in the LTM4601A-1)
VOSNS+, VOSNS– Common Mode Input Voltage Range VIN = 12V, RUN > 2V
0
CM Range
12
A
0.3
%
0.25
%
1
%
20
mVP-P
18
mVP-P
850
kHz
20
mV
20
mV
0.5
ms
0.5
ms
35
mV
35
mV
25
μs
17
A
17
A
INTVCC – 1
V
DIFFVOUT Range
VOS
AV
GBP
Output Voltage Range
Input Offset Voltage Magnitude
Differential Gain
Gain-Bandwidth Product
VIN = 12V, DIFF OUT Load = 100k
0
INTVCC
V
1.25
mV
1
V/V
3
MHz
4601afb
3
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