LTM4606 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTM4606' PDF : 24 Pages View PDF
LTM4606
TYPICAL PERFORMANCE CHARACTERISTICS
–55°C, Start-Up, IOUT = 6A
Start-Up, IOUT = 0A
Start-Up, IOUT = 6A
(Resistive Load)
VOUT
0.5V/DIV
IIN
0.5A/DIV
VIN = 12V
1ms/DIV
VOUT = 1.5V
COUT = 2x 22μF, 10V CERAMIC
1x 100μF, 6.3V CERAMIC
SOFT-START = 3.9nF
VOUT
0.5V/DIV
VOUT
0.5V/DIV
4606 G17
IIN
0.5A/DIV
VIN = 12V
1ms/DIV
VOUT = 1.5V
COUT = 1x 22μF, 6.3V CERAMIC
1x 330μF, 4V SANYO POSCAP
SOFT-START = 3.9nF
4606 G09
IIN
0.5A/DIV
VIN = 12V
1ms/DIV
VOUT = 1.5V
COUT = 1x 22μF, 6.3V CERAMIC
1x 330μF, 4V SANYO POSCAP
SOFT-START = 3.9nF
4606 G10
Short-Circuit Protection,
IOUT = 0A
Short-Circuit Protection,
IOUT = 6A
VOUT
2V/DIV
IIN
0.2A/DIV
VIN = 12V
50μs/DIV
VOUT = 2.5V
COUT = 2x 22μF, 10V CERAMIC
1x 100μF, 6.3V CERAMIC
SOFT-START = 0.1μF
VOUT
1V/DIV
IIN
2A/DIV
4606 G11
VIN = 12V
50μs/DIV
VOUT = 2.5V
COUT = 2x 22μF, 10V CERAMIC
1x 100μF, 6.3V CERAMIC
SOFT-START = 0.1μF
4606 G12
VIN to VOUT Step-Down
Operation Region
28
SEE FREQUENCY ADJUSTMENT SECTION
FOR OPERATIONS OUTSIDE THIS REGION
24
20
OPERATION REGION
16
WITH DEFAULT FREQUENCY
12
8
4.5
0.6 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VOUT (V)
4606 G13
VFB vs Temperature
0.606
Input Ripple
0.604
0.602
0.600
VIN
10mV/DIV
0.598
0.596
0.594
–55
–25 5 35 65
TEMPERATURE (°C)
95 125
4606 G18
VIN = 5V
2μs/DIV
VOUT = 1V AT 6A
CIN = 3x 10μF, 25V CERAMIC
1x 150μF BULK
BW = 300MHz
6
Output Ripple
VOUT
2mV/DIV
4606 G14
VIN = 5V
2μs/DIV
VOUT = 1V AT 6A
COUT = 2x 22μF, 6.3V CERAMIC
1x 100μF, 6.3V CERAMIC
BW = 300MHz
4606 G15
4606f
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