LTC4261 LINER [Linear Technology], LTC4261 Datasheet - Page 4

• Manufacturer Part Number: LTC4261
• Description: Negative Voltage Hot Swap Controllers with ADC and I2C Monitoring
• Manufacturer: LINER [Linear Technology]

LTC4261/LTC4261-2
temperature range, otherwise specifi cations are at I
SYMBOL
Timer
V
V
I
I
Output Pins
V
I
ADC
INL
V
R
I
I
V
V
I
V
V
I
V
I
ELECTRICAL CHARACTERISTICS
4
TMR(UP)
TMR(DN)
PWRGD
ADIN
2
ADR(IN)
SDAO,ALERT(IN)
SDAI,SCL(IN)
ADR(H)
ADR(L)
ALERT(OL)
TMR(H)
TMR(L)
PWRGD
OS
SDAO(OL)
SDAI,SCL(TH)
ADIN
C Interface
PARAMETER
TMR Pin High Threshold
TMR Pin Low Threshold
TMR Pin Pull-Up Current
TMR Pin Pull-Down Current
PG, PGIO Pins Output Low
PG, PGIO Pins Leakage Current
Resolution (No Missing Codes)
Integral Nonlinearity
Offset Error
Full-Scale Voltage
Total Unadjused Error
Conversion Rate
ADIN, ADIN2 Pins Input Resistance
ADIN, ADIN2 Pins Input Current
ADR0, ADR1 Input High Threshold
ADR0, ADR1 Input Low Threshold
ADR0, ADR1 Input Current
ALERT Pin Output Low Voltage
SDAO Pin Output Low Voltage
SDAO, ALERT Input Current
SDAI, SCL Input Threshold
SDAI, SCL Input Current
IN
CONDITIONS
V
V
Turn-On and Auto-Retry (Except OC) Delays,
V
Power Good, PGI Check and OC Auto-Retry
Delays, V
Delays Except PGI Check or OC Auto-Retry,
V
PGI Check and OC Auto-Retry Delays,
V
I
I
PG, PGIO = 80V
(Note 5)
SENSE
ADIN2/OV, ADIN
SENSE
ADIN2/OV, ADIN
SENSE
ADIN2/OV, ADIN
SENSE
ADIN2/OV, ADIN
ADIN, ADIN2 = 1.28V
ADIN, ADIN2 = 2.56V
ADR0, ADR1 = 0V, 5V
ADR0, ADR1 = 0.8V, (INTV
I
I
SDAO, ALERT = 5V
SDAI, SCL = 5V
PG
PG
ALERT
SDAO
TMR
TMR
TMR
TMR
TRM
= 5mA, T
, I
, I
PGIO
PGIO
Rising
Falling
= 0.2V
= 2.56V
= 2.56V
= 4mA
= 4mA
The
TMR
= 3mA
= 500µA
●
A
= 0.2V
= 25°C. (Note 2)
denotes the specifi cations which apply over the full operating
CC
– 0.8V)
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
INTV
2.514
– 0.8
2.43
–3.5
62.8
MIN
±10
5.5
0.3
1.6
40
–7
10
6
3
2
CC
INTV
±0.25
2.560
– 0.5
2.56
0.15
±0.5
TYP
–10
0.8
7.3
0.5
0.2
0.2
1.8
75
–5
12
64
10
5
0
0
0
0
CC
INTV
±1.25
±1.75
±1.25
2.606
MAX
– 0.3
2.69
–6.5
±2.5
65.2
±1.8
±1.6
110
–13
±10
±80
1.6
0.4
0.8
0.4
0.4
20
±2
±5
±2
7
9
2
CC
UNITS
42612fb
LSB
LSB
LSB
LSB
MΩ
Bits
mV
mA
mV
µA
µA
µA
µA
µA
µA
µA
µA
µA
Hz
%
%
V
V
V
V
V
V
V
V
V