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LT8636 Folha de dados(PDF) 6 Page - Analog Devices

Nome de Peças LT8636
Descrição Electrónicos  42V, 5A/7A Peak Synchronous Step-Down Silent Switcher with 2.5關A Quiescent Current
PDF  32 Pages
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Fabricante Electrônico  AD [Analog Devices]
Página de início  http://www.analog.com
Logo AD - Analog Devices

LT8636 Folha de dados(HTML) 6 Page - Analog Devices

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LT8636/LT8637
6
Rev. C
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
Burst Mode Operation Efficiency
vs Inductor Value (LT8636)
Reference Voltage
EN Pin Thresholds
LT8636 Load Regulation
LT8636 Line Regulation
LT8636 No-Load Supply Current
VOUT = 5V
ILOAD = 10mA
L = IHLP3232DZ-01
VIN = 12V
VIN = 24V
INDUCTOR VALUE (µH)
1
2
3
4
5
6
7
8
65
70
75
80
85
90
95
100
vs Inductor Value
8636 G10
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
961
963
965
967
969
971
973
975
977
979
Reference Voltage
8636 G11
EN RISING
EN FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0.95
0.96
0.97
0.98
0.99
1.00
1.01
1.02
1.03
EN Pin Thresholds
8636 G12
VOUT = 5V
VSYNC = 0V
VIN = 12V
LOAD CURRENT (A)
0
1
2
3
4
5
6
–0.15
–0.10
0.05
0
0.05
0.10
0.15
8636 G13
VOUT = 5V
ILOAD = 1A
INPUT VOLTAGE (V)
5
10
15
20
25
30
35
40
45
–0.08
–0.06
–0.04
–0.02
0.00
0.02
0.04
0.06
0.08
0.10
0.12
8636 G15
VOUT = 3.3V
L = 4.7µH
BIAS = VOUT
IN REGULATION
INPUT VOLTAGE (V)
0
5
10 15 20 25 30 35 40 45
1.0
1.5
2.0
2.5
3.0
3.5
4.0
8636 G17
LOAD CURRENT (A)
0
1
2
3
4
5
6
–0.40
–0.30
–0.20
–0.10
0.00
0.10
0.20
0.30
0.40
8636 G14
VOUT = 5V
VSYNC = 0V
VIN = 12V
VOUT = 5V
ILOAD = 1A
INPUT VOLTAGE (V)
5
10
15
20
25
30
35
40
45
–0.15
–0.12
–0.09
–0.06
–0.03
0
0.03
0.06
0.09
0.12
0.15
8636 G16
VOUT = 5V
L = 4.7µH
IN REGULATION
INPUT VOLTAGE (V)
5
10
15
20
25
30
35
40
45
25
50
75
100
125
150
175
200
225
8636 G18
LT8637 Load Regulation
LT8637 Line Regulation
LT8637 No-Load Supply Current



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