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LTC3458 Datasheet(PDF) 6 Page - Linear Technology

Part # LTC3458
Description  1.4A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3458 Datasheet(HTML) 6 Page - Linear Technology

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LTC3458
6
3458f
TYPICAL PERFOR A CE CHARACTERISTICS
FF Mode 100-300mA Load Step
Sync Operation at 1.33MHz
Burst Mode Operation 10mA to
50mA Load Step
Auto Mode 10mA to 100mA Load
Step
10mA to 200mA Load Step
Showing UV Trip
Forced BURST to FF Mode
Switch with 50mA Load
BURST
1V/DIV
VOUT
200mV/DIV
LOAD
IL
200mA/DIV
500µs/DIV
100mA
10mA
VOUT
200mV/DIV
VOUT
200mV/DIV
IL
200mA/DIV
IL
500mA/DIV
200µs/DIV
200µs/DIV
FIXED
FREQUENCY
BURST
–4%
SW
5V/DIV
SYNC
2V/DIV
IL
200mA/DIV
500ns/DIV
COMP
500mV/DIV
BURST
500mV/DIV
VOUT
200mV/DIV
VOUT
200mV/DIV
LOAD
IL
200mA/DIV
IL
0.5A/DIV
200µs/DIV
200µs/DIV
50mA
10mA
VIN = 3.3V
VOUT = 7V
ROSC = 200k
VIN = 3.3V
VOUT = 5V
L = 10µH
COUT = 22µF
VIN = 3.3V
VOUT = 5V
L = 10µH
CBURST = 0.015µF
RBURST = 133k
VIN = 3.3V
VOUT = 5V
L = 10µH
CBURST = 0.015µF
RBURST = 133k
VIN = 3.3V
VOUT = 5V
RZ = 33K
CC1 = 270pF
CC2 = 10pF
COUT = 22µF
0mA
0mA
VIN = 3.3V
VOUT = 5V
L = 10µH
RZ = 33k
CC1 = 270pF
CC2 = 10pF
COUT = 22µF
L = 10µH
F = 1MHz



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