LTC4219 LINER [Linear Technology], LTC4219 Datasheet - Page 3

• Manufacturer Part Number: LTC4219
• Description: 5A Integrated Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
DC Characteristics
V
I
V
V
ΔV
I
ΔV
R
I
Inputs
I
R
V
ΔV
ΔV
R
Outputs
V
V
I
V
V
I
I
I
A
I
I
I
I
DD
OUT
LIM(TH)
IN
OH
TIMER(UP)
TIMER(DN)
TIMER(RATIO)
OFF(IMON)
GATE(UP)
GATE(DN)
GATE(FST)
TH
TIMER(H)
TIMER(L)
DD
DD(UVL)
OUT(PGTH)
INTVCC
OL
IMON
ON
FB
ISET
OUT(PGHYST)
GATE
EN(HYST)
FB(HYST)
/Δt
PARAMETER
Input Supply Range
Input Supply Current
Input Supply Undervoltage Lockout
Output Power Good Threshold
Output Power Good Hysteresis
OUT Pin Leakage Current
GATE Pin Turn-On Ramp Rate
MOSFET + Sense Resistor On Resistance
Current Limit Threshold
EN1, EN2 Pin Input Current
FB Pin Input Resistance
EN1, EN2, FB Pin Threshold Voltage
EN1, EN2 Pin Hysteresis
FB Pin Power Good Hysteresis
I
INTV
PG, FLT Pin Output Low Voltage
PG, FLT Pin Input Leakage Current
TIMER Pin High Threshold
TIMER Pin Low Threshold
TIMER Pin Pull-Up Current
TIMER Pin Pull-Down Current
TIMER Pin Current Ratio I
I
I
Gate Pull-Up Current
Gate Pull-Down Current
Gate Fast Pull-Down Current
SET
MON
MON
Pin Output Resistor
CC
Pin Current Gain
Pin Offset Current
Output Voltage
TIMER(DN)
/I
TIMER(UP)
A
= 25°C. V
CONDITIONS
MOSFET On, No Load
V
LTC4219-12, V
LTC4219-5, V
LTC4219-12
LTC4219-5
V
V
V
V
V
V
V
LTC4219-12
LTC4219-5
V
V
I
I
V
V
V
V
V
I
I
Gate Drive On, V
Gate Drive Off, V
Fast Turn Off, V
The
LOAD
OUT
OUT
OUT
TIMER
TIMER
TIMER
TIMER
DD
OUT
OUT
OUT
FB
FB
FB
IN
IN
DD
OUT
= 1.2V
Rising
= 1.23V
= 0V
= 1.23V, R
Rising
= 5V, 15V
= 2mA
= 5A
= 330mA
l
= V
= V
= V
= 30V
DD
= 0mA, –10mA
Rising
Falling
= 0V
= 1.2V
denotes the specifi cations which apply over the full operating
GATE
GATE
GATE
= 12V unless otherwise noted.
OUT
= 0V, V
= 12V, LTC4219-12
= 5V, LTC4219-5
SET
OUT
GATE
GATE
GATE
Rising
= 20kΩ
Rising
= 18V, V
DD
= V
= 18V, V
= 15V
OUT
OUT
= 12V
OUT
= 12V
= 12V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.65
10.2
0.15
1.21
18.5
MIN
127
–80
–19
190
2.9
4.2
5.0
1.2
2.6
2.8
1.2
0.1
1.4
1.6
53
50
26
15
13
20
50
10
19
1.235
1.235
–100
2.73
10.5
4.35
0.21
TYP
170
–24
250
140
1.6
0.3
5.6
1.5
2.9
3.0
0.4
71
70
36
33
18
29
80
20
20
20
0
0
0
2
2
0
LTC4219
±150
–120
MAX
2.85
10.8
46.5
0.55
1.26
1.28
21.5
±4.5
213
110
±10
–29
340
4.5
6.1
1.8
3.3
3.2
0.8
0.3
2.6
2.7
15
89
90
50
±1
23
37
30
21
3
UNITS
V/ms
3
μA/A
4219f
mΩ
mA
mV
mV
mV
mV
mA
kΩ
kΩ
kΩ
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
%
V
V
V
V
A
A
A
V
V
V
V
V