LTC4261 Datasheet, PDF (7/32 Pages) Linear Technology – Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring

LTC4261/LTC4261-2
TYPICAL PERFORMANCE CHARACTERISTICS I_IN = 5mA, T_A = 25°C, unless otherwise noted
OV Threshold vs Temperature
1.785
1.780
1.775
1.770
1.765
1.760
1.755
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
42612 G08
Current Limit Propagation Delay
(t_PHL(SENSE)) vs V_SENSE
1000
C_GATE = 1pF
100
0
100 200 300 400 500
V_SENSE (mV)
42612 G13
ADC Full-Scale Error vs
Temperature (ADIN Pin)
3
2
1
0
–1
–2
–3
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
42612 G16
OV Hysteresis vs Temperature
50
45
40
35
30
25
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
42612 G11
PG, PGIO Output Low
vs Load Current
6
5
T_A = 85°C
4
T_A = 25°C
3
2
T_A = –40°C
1
0
0
2
4
6
8
10
LOAD CURRENT (mA)
42612 G14
ADC INL vs Code (ADIN Pin)
1.0
0.5
0
–0.5
–1.0
0
256
512
768
1024
CODE
42612 G17
Current Limit Voltage
vs Temperature
52.0
51.5
51.0
50.5
50.0
49.5
49.0
–50 –25 0
25 50
TEMPERATURE (°C)
75 100
42612 G08
ADC Total Unadjusted Error
vs Code (ADIN Pin)
1.0
0.5
0
–0.5
–1.0
0
256
512
768
1024
CODE
42612 G15
ADC DNL vs Code (ADIN Pin)
1.0
0.5
0
–0.5
–1.0
0
256
512
768
1024
CODE
42612 G18
42612fb
7