LTC4210 LINER [Linear Technology], LTC4210 Datasheet - Page 3

• Manufacturer Part Number: LTC4210
• Description: Dual Supply Hot Swap Controller for Advanced Mezzanine Card
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are T
SYMBOL
Supplies
V
I
V
ΔV
HYST)
Current Limit
ΔV
ΔV
I
Integrated Switch
R
Gate Drive
ΔV
I
I
I
Current Sense
G
V
ΔV
V
R
V
Comparator Inputs
V
V
V
DD
AUX(ACL)
GATE(UP)
GATE(DN)
GATE(FPD)
DD
DD(UVLO)
12IMON
12IMON(CLP)
12IMON(MIN)
PG(TH)
PG(HYST)
TMR(TH)
DS(ON)
12IMON
12IMON
DD(UVLO,
SENSE(CB)
SENSE(ACL)
GATE
SENSE(MAX)
PARAMETER
Input Supply Range
Input Supply Current
Input Supply Undervoltage Lockout
Input Supply Undervoltage Lockout
Hysteresis
Circuit Breaker Trip Sense Voltage,
(V
Active Current Limit Sense Voltage,
(V
AUXOUT Active Current Limit
Switch Resistance
(V
External N-Channel Gate Drive
(V
External N-Channel Gate Pull-Up Current
External N-Channel Gate Pull-Down Current
External N-Channel Gate Fast Pull-Down
Current
12IMON Pin Gain Ratio
ΔV
12IMON Pin Output Voltage
12IMON Pin Maximum Input Sense Voltage
12IMON Pin Clamp Voltage
12IMON Pin Output Resistance
12IMON Pin Minimum Output Voltage
Power Good Threshold Voltage
Power Good Hysteresis
TIMER Pin Threshold Voltage
12VIN
12VIN
AUXIN
12VGATE
12IMON
– V
– V
– V
/Δ(V
– V
12VSENSE
12VSENSE
AUXOUT
12VOUT
12VIN
)/I
)
)
– V
)
AUXOUT
12VSENSE
)
A
= 25°C, V
CONDITIONS
V
AUXIN
12V
V
AUXIN
12V
V
V
V
V
AUXIN
12V
V
I
(Note 3)
Gate Drive On, V
Gate Drive Off
V
Fast Turn Off
V
(V
(V
(V
(V
(V
V
V
V
V
V
V
AUXOUT
CC
CC
CC
AUXIN
12VIN
CC
AUXOUT
12VGATE
12VGATE
12VOUT
AUXOUT
12VOUT
AUXOUT
TIMER
TIMER
12VIN
12VIN
12VIN
12VIN
12VIN
The
IN
IN
IN
Rising
CC
Rising
Rising
Rising
Falling
– V
– V
– V
– V
– V
= 3.3V, V
= 150mA (Note 4)
●
Falling
= 0V
Falling
= 17V, V
= 17V, V
denotes the specifi cations which apply over the full operating
12VSENSE
12VSENSE
12VSENSE
12VSENSE
12VSENSE
12VGATE
12VOUT
12VOUT
AUXIN
) = (75mV, 25mV)
) = 75mV, V
) = 150mV, V
) = 0V
) = 0V
= 0V
= 3.3V, V
= 12V
= 12V
CC
LTC4223-1/LTC4223-2
CC
= 2.7V
12VIN
= 2.7V
=12V, unless otherwise specifi ed. (Note 2)
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
1.198
MIN
47.5
2.25
82.5
0.15
165
115
2.7
2.7
2.3
2.4
9.4
4.5
0.5
2.9
2.8
10
40
70
70
54
–7
90
30
10
20
5
2.475
2.885
1.235
2.45
10.3
TYP
110
110
110
240
–10
160
165
0.8
0.4
0.6
2.5
9.7
0.3
6.2
3.2
0.2
50
60
33
60
16
1
0
1.272
MAX
52.5
10.6
2.97
0.25
180
150
150
330
–14
250
215
130
110
2.6
2.6
0.5
7.9
2.7
3.5
14
10
66
36
30
6
6
2
1
1
2
UNITS
422312f
3
V/V
mA
mA
mA
mV
mV
mV
mV
mV
mA
mA
mA
mV
mV
mV
mV
kΩ
μA
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V