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LTC3458LEDE 데이터시트(PDF) 5 Page - Linear Technology

부품명 LTC3458LEDE
상세설명  1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
PDF  16 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC3458LEDE 데이터시트(HTML) 5 Page - Linear Technology

  LTC3458LEDE Datasheet HTML 1Page - Linear Technology LTC3458LEDE Datasheet HTML 2Page - Linear Technology LTC3458LEDE Datasheet HTML 3Page - Linear Technology LTC3458LEDE Datasheet HTML 4Page - Linear Technology LTC3458LEDE Datasheet HTML 5Page - Linear Technology LTC3458LEDE Datasheet HTML 6Page - Linear Technology LTC3458LEDE Datasheet HTML 7Page - Linear Technology LTC3458LEDE Datasheet HTML 8Page - Linear Technology LTC3458LEDE Datasheet HTML 9Page - Linear Technology Next Button
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background image
LTC3458L
5
3458lf
TYPICAL PERFOR A CE CHARACTERISTICS
SW
1V/DIV
IL
100mA/DIV
SW
1V/DIV
SW
5V/DIV
IL
200mA/DIV
VOUT
100mV/DIV
IL
200mA/DIV
SW
5V/DIV
VOUT
100mV/DIV
IL
200mA/DIV
SS
200mV/DIV
VOUT
2V/DIV
2V/DIV
VIN
IL
200mA/DIV
SW
2V/DIV
IL
0.5A/DIV
0mA
500ns/DIV
1
µs/DIV
500ns/DIV
50
µs/DIV
2ms/DIV
2
µs/DIV
VIN = 3.3V
VOUT = 5V
L = 7.4
µH
VIN = 3.3V
VOUT = 5V
L = 7.4
µH
VIN = 2.25V
VOUT = 5V
L = 7.4
µH
RILIM = 84.5k
VIN = 3.3V
VOUT = 5V
L = 7.4
µH
COUT = 22µF
CFF = 22pF*
RILIM = 84.5k
*CFF: FEED FORWARD CAPACITOR CONECTED BETWEEN VOUT AND FB.
GND
0mA
0mA
0mA
0mA
VIN = 3.3V
VOUT = 5V
L = 7.4
µH
COUT = 22µF
CFF = 22pF
RILIM = 84.5k
VIN = 3.3V
VOUT = 5V
L = 7.4
µH
CSS = 0.1µF
3458L G14
3458L G15
3458L G16
3458L G17
3458L G18
3458L G19
Fixed Frequency (FF)
Discontinuous Current
Fixed Frequency (FF)
Continuous Current
Over-Current with 2A ILIMIT
Burst Mode Operation
Burst Mode Operation Close-Up
Soft-Start into 20
Ω Load
(TA = 25°C unless otherwise specified)



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