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LTC3621 Datasheet(PDF) 7 Page - Analog Devices

Part # LTC3621
Description  17V, 1A Synchronous Step-Down Regulator with 3.5μA Quiescent Current
PDF  20 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC3621 Datasheet(HTML) 7 Page - Analog Devices

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LTC3621/LTC3621-2
7
Rev. D
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
RDS(ON) vs Temperature
Load Regulation
Line Regulation
Efficiency vs Load at 1MHz
VIN Supply Current
vs Temperature
Switch Leakage
vs Temperature
Oscillator Frequency
vs Supply Voltage
Reference Voltage
vs Temperature
RDS(ON) vs Input Voltage
TJ = 25°C, unless otherwise noted.
SUPPLY VOLTAGE (V)
2
3621 G10
7
12
17
2.30
2.35
2.45
2.50
2.40
2.25
2.20
2.15
2.05
2.00
2.10
INPUT VOLTAGE (V)
100
300
500
700
200
400
600
4
8
12
16
3621 G12
20
2
0
6
10
14
18
TOP FET
BOTTOM FET
TEMPERATURE (°C)
–50
100
150
250
300
350
600
450
0
50
75 100 125
3621 G13
200
500
550
400
–25
25
150
TOP FET
BOTTOM FET
LOAD CURRENT (mA)
0
–5
500
5
3621 G14
1000
1500
4
3
2
1
0
–1
–2
–3
–4
VIN = 12V
VOUT = 3.3V
FORCED CONTINUOUS MODE
INPUT VOLTAGE (V)
0
–0.5
4
3
2
1
0.5
3621 G15
8
7
6
5
11
10
9
12
17
16
15
14
13
0.3
0.1
–0.1
–0.3
TEMPERATURE (°C)
–50
4
5
6
25
75
3521 G17
3
2
–25
0
50
100 125 150
1
0
SLEEP
SHUTDOWN
TEMPERATURE (°C)
–100
–50
599.5
600.0
600.5
3521 G11
599.0
598.5
0
50
100
150
598.0
597.5
TEMPERATURE (°C)
–50
–3
3
0
12
15
18
50
30
3621 G18
9
6
0
–25
75 100
25
150
125
21
24
27
BOTTOM FET
TOP FET
LOAD CURRENT (A)
3621 G16
100
90
80
70
60
50
40
30
20
10
0
0.0001
0.001
0.1
1
0.01
VIN = 12V
VOUT = 2.5V
VOUT = 3.3V
VOUT = 5V



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