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LTC4151 Datasheet(PDF) 10 Page - Analog Devices

Part # LTC4151
Description  High Power Negative Voltage Hot Swap Controller with Energy Monitor
PDF  82 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC4151 Datasheet(HTML) 10 Page - Analog Devices

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LTC4284
10
Rev. B
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
GATE Fast Pull-Down Current vs
GATE Voltage
Current Limit Voltage Error vs
ILIM Code
Current Limit Foldback Profiles
TMR Pull-Up Current vs DRNS
Voltage
TMR Pull-Up Current vs SENSE
Input Voltage
ADIO Output Low Voltage vs Load
Current
PGIO Output Low Voltage vs Load
Current
VREF Output Voltage vs Load
Current
ADC Full-Scale Error vs
Temperature
VILIM(FAST) = 30mV
SENSE INPUT = 40mV
GATE VOLTAGE (V)
0
2
4
6
8
10
12
0
0.4
0.8
1.2
1.6
4284 G07
CURRENT
LIMIT
100% VILIM
98% VILIM
50% VILIM
20% VILIM
10% VILIM
VDRNS (V)
0
0.6
1.2
1.8
2.4
3
0
100
200
300
400
4284 G10
∆VSENSE1 =
∆VSENSE1 =
∆VSENSE1 =
∆VSENSE1 =
∆VSENSE1 =
TA = –40°C
TA = 25°C
TA = 85°C
TA = 125°C
LOAD CURRENT (mA)
0
5
10
15
20
0
0.20
0.40
0.60
0.80
1.00
4284 G13
VILIM1 AND VILIM2
50 UNITS
ILIM CODE
0
2
4
6
8
10
12
14
16
–2
–1
0
1
2
4284 G08
VILIM = 15mV
VDRAIN > VD,FET(TH)
POWER GOOD LATCHED
CURRENT LIMIT
VDRNS = 1.8V
VDRNS = 1.2V
VDRNS = 0.6V
VDRNS = 0V
∆VSENSE1 (mV)
0
2
4
6
8
10
12
14
16
0
50
100
150
200
250
4284 G11
LOAD CURRENT (µA)
–400
–200
0
200
400
600
1.022
1.023
1.024
1.025
1.026
4284 G14
VILIM = 15mV
VRTNS = 1.8V
FB = 00
01
10
11
LPFB = 0
LPFB = 1
POWER GOOD LATCHED
VRTNS – VDRNS (V)
0
0.3
0.6
0.9
1.2
1.5
1.8
0
5
10
15
20
4284 G09
TA = –40°C
TA = 25°C
TA = 85°C
TA = 125°C
LOAD CURRENT (mA)
0
5
10
15
20
0
0.20
0.40
0.60
0.80
4284 G12
TEMPERATURE (°C)
–50 –25
0
25
50
75
100 125
–0.2
–0.1
0
0.1
0.2
0.3
4284 G15



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