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LT8551 Datasheet(PDF) 7 Page - Analog Devices

Part # LT8551
Description  Multiphase Boost Converter Expander
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8551 Datasheet(HTML) 7 Page - Analog Devices

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LT8551
7
Rev 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
SHDN Pin Threshold
VIN UVLO Threshold
VIN Quiescent Current vs VIN
Voltage, Not Switching
VIN Quiescent Current vs
Temperature, Not Switching
SHDN Pin Current vs Voltage
IAMPP–IAMPN Voltage vs (ISP–
ISN) Voltage
Maximum Positive Current Limit
vs Temperature
Maximum Negative Current Limit
vs Temperature
PHS1 Pin Current
RISING
FALLING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
1.10
1.15
1.20
1.25
1.30
8551 G10
FALLING
RISING
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
3.0
3.1
3.2
3.3
3.4
8551 G11
T = 130°C
T = 25°C
T = –50°C
VIN VOLTAGE (V)
5
15
25
35
45
55
65
75
85
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
5.6
8551 G12
VIN = 6V
VIN = 12V
VIN = 80V
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
4.7
4.9
5.1
5.3
5.5
5.7
8551 G13
SHDN PIN VOLTAGE (V)
0
10
20
30
40
50
60
70
0
5
10
15
20
25
30
8551 G14
T = 150°C
T = 25°C
T = –50°C
ILIM = FLOAT
ILIM = REG
ILIM = GND
ISP-ISN VOLTAGE (mV)
–90
–60
–30
0
30
60
90
0.2
0.5
0.8
1.1
1.4
1.7
2.0
2.3
2.6
8551 G15
ILIM = FLOAT
ILIM = REG
ILIM = GND
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
20
30
40
50
60
70
80
90
100
8551 G16
ILIM = FLOAT
ILIM = REG
ILIM = GND
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
–100
–90
–80
–70
–60
–50
–40
–30
–20
8551 G17
PHS1 PIN VOLTAGE (V)
0
1
2
3
4
5
–180
–120
–60
0
60
120
180
8551 G18



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