LTC3458 Linear Technology, LTC3458 Datasheet - Page 5
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LTC3458
Manufacturer Part Number
LTC3458
Description
1.4A/ 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
Manufacturer
Linear Technology
Datasheet
1.LTC3458.pdf
(16 pages)
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TYPICAL PERFOR A CE CHARACTERISTICS
100mV/DIV
200mA/DIV
100mA/DIV
0.5A/DIV
2V/DIV
5V/DIV
2V/DIV
V
SW
OUT
SW
SW
I
I
I
L
L
L
Over-Current with 1.5A I
Fixed Frequency (FF)
Discontinuous Current
Burst Mode Operation Close-Up
V
V
L = 10µH
V
V
L = 10µH
R
V
V
L = 10µH
C
C
IN
OUT
IN
OUT
ILIM
IN
OUT
OUT
FF
= 3.3V
= 3.3V
= 3.3V
= 22pF
= 7V
= 7V
= 7V
= 22µF
= 133k
200ns/DIV
W
2µs/DIV
1µs/DIV
U
LIMIT
0mA
0mA
0mA
200mA/DIV
200mV/DIV
100mV/DIV
200mA/DIV
200mA/DIV
2V/DIV
5V/DIV
2V/DIV
2V/DIV
V
V
SW
OUT
SW
OUT
V
SS
I
I
IN
I
L
L
L
Fixed Frequency (FF)
Continuous Current
Burst Mode Operation
V
V
L = 10µH
C
C
Soft-Start into 50Ω Load
V
V
L = 10µH
V
V
L = 10µH
IN
OUT
IN
OUT
OUT
FF
IN
OUT
= 3.3V
= 22pF
= 3.3V
= 3.3V
= 7V
= 22µF
= 7V
= 7V
200ns/DIV
50µs/DIV
5ms/DIV
www.DataSheet4U.com
LTC3458
0mA
0mA
5
3458f