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LTC4215CUFD Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4215CUFD
Description  Hot Swap Controller with I2C Compatible Monitoring
PDF  24 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4215CUFD Datasheet(HTML) 4 Page - Linear Technology

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LTC4215
4
4215fb
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 12V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ΔVFB(HYST)
FB Pin Power Good Hysteresis
●
3
8
15
mV
IFB
Foldback Pin Input Current
FB = 1.8V
●
0±1
µA
VGPIO(TH)
GPIO Pin Input Threshold
VGPIO Rising
●
0.8
1
1.2
V
Other Pin Functions
VGPIO(OL)
GPIO Pin Output Low Voltage
IGPIO = 5mA
●
0.25
0.5
V
IGPIO(OH)
GPIO Pin Input Leakage Current
VGPIO = 15V
●
0±1
µA
ISOURCE
SOURCE Pin Input Current
SOURCE = 15V
●
40
80
120
µA
tP(GATE)
Input (ON, OV, UV,
⎯E⎯N) to GATE Off
Propagation Delay
●
35
µs
tD(GATE)
Turn-On Delay
ON
UV, OV,
⎯E⎯N
Overcurrent Auto-Retry
●
●
●
50
2.5
1
100
5
2
150
75
µs
ms
s
VTIMERL(TH)
Timer Low Threshold
●
0.17
0.2
0.23
V
VTIMERH(TH)
Timer High Threshold
●
1.2
1.235
1.26
V
ITIMER(UP)
TIMER Pin Pull-Up Current
●
–80
–100
–120
µA
ITIMER(DOWN)
TIMER Pin Pulldown Current for OC Auto-Retry
●
1.4
2
2.6
µA
ITIMER(UP/DOWN) TIMER Current Up/Down Ratio
●
40
50
60
µA
ISS
Soft-Start Ramp Pull-Up Current
Ramping
Waiting for GATE to Slew
●
●
–7.5
–0.4
–10
–0.7
–12.5
–1.0
µA
µA
ADC
Resolution (No Missing Codes)
●
8
Bits
Integral Nonlinearity
VDD – SENSE (Note 5)
SOURCE
ADIN
●
●
●
–2
–1.25
–1.25
0.5
0.2
0.2
2
1.25
1.25
LSB
LSB
LSB
Offset Error (Note 4)
VDD – SENSE
SOURCE
ADIN
●
●
●
±2.0
±1.0
±1.0
LSB
LSB
LSB
Total Unadjusted Error
VDD – SENSE
SOURCE
ADIN
●
●
●
±5.5
±5.0
±5.0
LSB
LSB
LSB
Full-Scale Error
VDD – SENSE
SOURCE
ADIN
●
●
●
±5.5
±5.0
±5.0
LSB
LSB
LSB
Full-Scale Voltage (255 • VLSB)VDD – SENSE
SOURCE
ADIN
●
●
●
37.625
15.14
1.205
38.45
15.44
1.23
39.275
15.74
1.255
mV
V
V
RADIN
ADIN Pin Sampling Resistance
VADIN = 1.28V
●
12
MΩ
IADIN
ADIN Pin Input Current
VADIN = 1.28V
●
0
±0.1
µA
Conversion Rate
10
Hz
I2C Interface
VADR(H)
ADR0, ADR1, ADR2 Input High Voltage
●
INTVCC
–0.8
INTVCC
–0.4
INTVCC
–0.2
V
IADR(IN,Z)
ADR0, ADR1, ADR2 Hi-Z Input Current
ADR0, ADR1, ADR2 = 0.8V
ADR0, ADR1, ADR2 = INTVCC – 0.8V
●
●
3
–3
µA
µA
VADR(L)
ADR0, ADR1, ADR2 Input Low Voltage
●
0.2
0.4
0.8
V
IADR(IN)
ADR0, ADR1, ADR2 Input Current
ADR0, ADR1, ADR2 = 0V, INTVCC
●
–80
80
µA



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