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LTC3458LEDE 数据表(PDF) 4 Page - Linear Technology

部件名 LTC3458LEDE
功能描述  1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
PDF  16 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3458LEDE 数据表(HTML) 4 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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LTC3458L
4
3458lf
TYPICAL PERFOR A CE CHARACTERISTICS
3458L G12
3458L G11
3458L G13
3458L G07
3458L G08
FREQUENCY (kHz)
500
95
93
91
89
87
85
1300
700
900
1100
1500
TEMPERATURE (
°C)
–40
0.5
0.3
0.2
0.1
0
60
3458L G09
–15
10
35
85
VIN (V)
3458L G10
1600
1400
1200
1000
800
600
400
200
0
1.5
2.5
3.5
4.0
2.0
3.0
4.5
5.0
5.5
3.3VOUT
5VOUT
P-CHANNEL
N-CHANNEL
1.8 to 5.5VIN at 1MHz
RILIM = 84.5k
VIN = 3.3V
VOUT = 5V
VIN = 3.3V
VOUT = 5V at 200mA
L = 7.4
µH
TEMPERATURE (
°C)
–45
0.95
0.97
1.01
1.03
1.05
–15
15
30
90
0.99
–30
0
45
60
75
TEMPERATURE (
°C)
–45
–15
15
30
90
–30
0
45
60
75
TEMPERATURE (
°C)
–45
–15
15
30
90
–30
0
45
60
75
0.5
0.6
0.8
0.9
1.0
0.7
1.20
1.21
1.23
1.24
1.25
1.22
TEMPERATURE (
°C)
–45
–15
15
30
90
–30
0
45
60
75
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
OPERATING
SHUTDOWN
RT = 200k
Efficiency vs Frequency
Maximum Load Current
N-Channel and P-Channel RDS(ON)
(TA = 25°C unless otherwise specified)
SHDN Pin Threshold and
Hysteresis
SYNC Pin Threshold
FB Voltage
Frequency Accuracy



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