LTM4603 Просмотр технического описания (PDF) - Linear Technology
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LTM4603 Datasheet PDF : 24 Pages
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LTM4603/LTM4603-1
ELECTRICAL CHARACTERISTICS The ● 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
IS(VIN)
Input Supply Current
INTVCC
Output Specifications
VIN = 12V, RUN > 2V
VIN = 12V, VOUT = 1.5V, IOUT = 6A
VIN = 12V, VOUT = 3.3V, IOUT = 6A
VIN = 5V, VOUT = 1.5V, IOUT = 6A
No Load
0.85
A
1.78
A
2.034
A
4.7
5
5.3
V
IOUTDC
Output Continuous Current Range VIN = 12V, VOUT = 1.5V
0
(See Output Current Derating Curves
for Different VIN, VOUT and TA)
VOUT(NOM) – VOUT(ΔLINE) Line Regulation Accuracy
VOUT(NOM)
VOUT = 1.5V, IOUT = 0A, VIN = 4.5V to 20V ●
VOUT(NOM) – VOUT(ΔLOAD) Load Regulation Accuracy
VOUT(NOM)
VOUT = 1.5V, IOUT = 0A to 6A
VIN = 12V, with Remote Sense Amp
●
VIN = 12V, LTM4603-1
●
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 = 3A, VIN = 12V, VOUT = 1.5V
ΔVOUT(START)
Turn-On Overshoot,
TRACK/SS = 10nF
COUT = 2×, 100µF/X5R/Ceramic,
VOUT = 1.5V, IOUT = 0A
VIN = 12V
VIN = 5V
tSTART
Turn-On Time, TRACK/SS = Open
COUT = 2×, 100µF/X5R/Ceramic,
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% to 10% of Full Load
VIN = 12V
IOUTPK
Output Current Limit
COUT = 2×, 100µF/X5R/Ceramic
VIN = 12V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
Remote Sense Amp (LTM4603 Only, Not Supported in the LTM4603-1) (Note 3)
VOSNS+, VOSNS–
Common Mode Input Voltage Range VIN = 12V, RUN > 2V
0
CM Range
6
A
0.3
%
10
10
1000
0.25
%
0.5
%
mVP-P
mVP-P
kHz
20
mV
20
mV
0.5
ms
0.7
ms
35
mV
35
mV
25
µs
8
A
8
A
INTVCC – 1
V
DIFFVOUT Range
VOS
AV
Output Voltage Range
Input Offset Voltage Magnitude
Differential Gain
VIN = 12V, DIFF OUT Load = 100k
0
INTVCC
V
1.25
mV
1
V/V
GBP
Gain Bandwidth Product
3
MHz
SR
RIN
CMRR
Slew Rate
Input Resistance
Common Mode Rejection Ratio
VOSNS+ to GND
2
V/µs
20
kΩ
100
dB
4603f
3
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