LTM4606IV-PBF View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTM4606IV-PBF' PDF : 24 Pages View PDF
LTM4606
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full internal
operating temperature range, otherwise specifications are at TA = 25°C. VIN = 12V, unless otherwise noted. Per typical application
(front page) configuration, RFB = 40.2k.
SYMBOL
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
IQ(VIN)
Input Supply Bias Current
IS(VIN)
Input Supply Current
INTVCC
VIN = 12V, RUN > 2V
Output Specifications
VIN = 5V, No Switching
VIN = 5V, VOUT = 1.5V, Switching Continuous
VIN = 12V, No Switching
VIN = 12V, VOUT = 1.5V, Switching Continuous
Shutdown, RUN = 0, VIN = 12V
VIN = 12V, VOUT = 1.5V, IOUT = 6A
VIN = 5V, VOUT = 1.5V, IOUT = 6A
No Load
1.5
mA
27
mA
2.5
mA
25
mA
22
μA
0.96
A
2.18
A
4.7
5
5.3
V
IOUT(DC)
Output Continuous Current Range VIN = 12V, VOUT = 1.5V (Note 4)
0
ΔVOUT(LINE)/VOUT Line Regulation Accuracy
VOUT = 1.5V, FCB = 0V, VIN = 4.5V to 28V,
l
IOUT = 0A
ΔVOUT(LOAD)/VOUT Load Regulation Accuracy
VOUT = 1.5V, FCB = 0V, IOUT = 0A to 6A
VIN = 12V (Note 4)
l
VIN(AC)
Input Ripple Voltage
IOUT = 0A, CIN = 10μF X5R Ceramic x3 and
100μF Electrolytic
VIN = 5V, VOUT = 1.5V
VIN = 12V, VOUT = 1.5V
VOUT(AC)
Output Ripple Voltage
IOUT = 0A, COUT = 22μF X5R Ceramic x3 and
100μF X5R Ceramic
VIN = 5V, VOUT = 1.5V
VIN = 12V, 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
Resistive Load
VIN = 5V
VIN = 12V
ΔVOUT(LS)
Peak Deviation for Dynamic Load
Load: 0% to 50% to 0% of Full Load
COUT = 22μF Ceramic, 470μF x2
VIN = 12V
VOUT = 1.5V
tSETTLE
Settling Time for Dynamic Load Step Load: 0% to 50% to 0% of Full Load,
VIN = 12V
VIN = 12V
IOUT(PK)
Output Current Limit
COUT = 200μF
VIN = 5V, VOUT = 1.5V
VIN = 12V, VOUT = 1.5V
Control Section
6
A
0.05
0.3
%
0.3
%
2
mVP-P
3
mVP-P
8
mVP-P
11
mVP-P
900
kHz
20
mV
20
mV
0.5
ms
0.5
ms
35
mV
25
μs
10
A
10
A
VFB
VRUN
ISS / TRACK
Voltage at VFB Pin
RUN Pin On/Off Threshold
Soft-Start Charging Current
IOUT = 0A, VOUT = 1.5V
VSS/TRACK = 0V
l 0.594 0.6 0.606
V
1
1.5
1.9
V
–1
–1.5
–2
μA
4606f
3
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