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LTC3621 데이터시트(PDF) 5 Page - Analog Devices

부품명 LTC3621
상세설명  Quad 17V, 1.25A Parallelable Synchronous Step-Down Regulator with Ultralow Quiescent Current
PDF  20 Pages
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제조업체  AD [Analog Devices]
홈페이지  http://www.analog.com
Logo AD - Analog Devices

LTC3621 데이터시트(HTML) 5 Page - Analog Devices

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LTC3644/LTC3644-2
5
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Line Regulation, No Load
Load Regulation
Oscillator Frequency vs
Temperature
Peak Current Limit vs
Temperature
Reference Voltage vs
Temperature
RDS(ON) vs Input Voltage
TA = 25°C, unless otherwise noted.
PMOS
NMOS
INPUT VOLTAGE (V)
0
2
4
6
8
10 12 14 16 18
0
100
200
300
400
500
3644 G09
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
0.8
0.9
1.0
1.1
1.2
3644 G10
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
1.6
1.8
2.0
2.2
2.4
3644 G11
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
597.0
597.5
598.0
598.5
599.0
599.5
600.0
600.5
601.0
601.5
602.0
3644 G12
VOUT = 2.5V
fSW = 1MHz
L = 3.3µH
FORCED CONTINUOUS MODE
INPUT VOLTAGE (V)
0 1 2 3 4 5 6 7 8 9 1011121314151617
–0.5
–0.3
–0.1
0.1
0.3
0.5
3644 G13
VIN = 12V
VOUT = 2.5V
fSW = 1MHz
L = 3.3µH
FORCED CONTINUOUS MODE
LOAD CURRENT (A)
0
0.25
0.50
0.75
1
1.25
–0.50
–0.25
0
0.25
0.50
Load Regulation
3644 G14



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