參數(shù)資料
型號: LTC3458LEDE
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.7A, 1.5MHz Synchronous Step-Up DC/DC Converter with Output Disconnect
中文描述: 2.1 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO12
封裝: 4 X 3 MM, PLASTIC, MO-229-WGED, DFN-12
文件頁數(shù): 4/16頁
文件大小: 389K
代理商: LTC3458LEDE
LTC3458L
4
3458lf
TYPICAL PERFOR U
3458L G12
3458L G11
3458L G13
3458L G07
3458L G08
FREQUENCY (kHz)
500
E
95
93
91
89
87
85
1300
700
900
1100
1500
TEMPERATURE (
°
C)
–40
R
D
)
0.5
0.3
0.2
0.1
0
60
3458L G09
–15
10
35
85
V
IN
(V)
M
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
3.3V
OUT
5V
OUT
P-CHANNEL
N-CHANNEL
1.8 to 5.5V
at 1MHz
R
ILIM
= 84.5k
V
IN
= 3.3V
V
OUT
= 5V
V
IN
= 3.3V
V
= 5V at 200mA
L = 7.4
μ
H
TEMPERATURE (
°
C)
–45
0.95
F
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
V
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
V
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 R
DS(ON)
(T
A
= 25
°
C unless otherwise specified)
SHDN Pin Threshold and
Hysteresis
SYNC Pin Threshold
FB Voltage
Frequency Accuracy
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