ltc4215-1 Linear Technology Corporation, ltc4215-1 Datasheet - Page 3

• Manufacturer Part Number: ltc4215-1
• Description: Hot Swap Controller With Adc And I2c Compatible Monitoring
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
SYMBOL
INTV
INTV
INTV
Current Limit and Circuit Breaker
ΔV
ΔV
t
I
Gate Drive
ΔV
I
I
I
t
V
Comparator Inputs
V
ΔV
I
V
ΔV
I
V
ΔV
I
V
ΔV
I
V
ΔV
V
ΔV
I
V
V
V
D(OC)
SENSE(IN)
GATE(UP)
GATE(DN)
GATE(DN)
PHL(SENSE)
ON(IN)
EN
OV(IN)
UV(IN)
FB
GS(POWERBAD)
ON(TH)
EN(TH)
OV(TH)
UV(TH)
UV(RTH)
FB
GPIO1(TH)
GPIO2(TH)
GPIO3(TH)
SENSE(TH)
SENSE
GATE
ON(HYST)
EN(HYST)
OV(HYST)
UV(HYST)
UV(RHYST)
FB(HYST)
CC
CC(UVL)
CC(HYST)
Fast
PARAMETER
Internal Regulator Voltage
INTV
INTV
Circuit Breaker Threshold (V
Current Limit Voltage (V
OC Fault Filter
SENSE± Pin Input Current
External N-channel Gate Drive (V
(Note 3)
External N-channel Gate Pull-Up Current
External N-channel Gate Pull-Down Current
Pull-Down Current from GATE to SOURCE During
OC/UVLO
(V
Gate-Source Voltage for Power Bad Fault
ON Pin Threshold Voltage
ON Pin Hysteresis
ON Pin Input Current
EN Input Threshold
EN Hysteresis
EN Pin Input Current
OV Pin Threshold Voltage
OV Pin Hysteresis
OV Pin Input Current
UV Pin Threshold Voltage
UV Pin Hysteresis
UV Pin Input Current
UV Pin Reset Threshold Voltage
UV Pin Reset Threshold Hysteresis
Foldback Pin Power Good Threshold
FB Pin Power Good Hysteresis
Foldback Pin Input Current
GPIO1 Pin Input Threshold
GPIO2 Pin Input Threshold
GPIO3 Pin Input Threshold
DD
C
C
– SENSE) High to GATE Low
Undervoltage Lockout
Undervoltage Lockout Hysteresis
DD
– V
DD
SENSE
– V
GATE
SENSE
)
– V
)
SOURCE
A
= 25°C. V
)
The
CONDITIONS
V
INTV
V
V
Start-Up Timer Expired
ΔV
V
V
Gate On, V
Gate Off, V
V
V
V
V
V
V
EN = 3.5V
V
V
V
V
V
FB Rising
FB = 1.8V
V
V
V
DD
FB
FB
SENSE
DD
DD
DD
SOURCE
ON
ON
EN
OV
OV
UV
UV
UV
GPIO1
GPIO2
GPIO3
l
SENSE
DD
= 1.3V
= 0V
= Rising
≥ 3.3V
= 2.9V to 15V
– SENSE = 100mV, V
– SENSE = 100mV, C
Rising
= 1.2V
Rising
= 1.8V
Rising
= 1.8V
Falling
CC
denotes the specifi cations which apply over the full operating
= 12V unless otherwise noted.
Rising
Rising
Rising
= 12V
Rising
= 50mV
= 2.9V – 15V
GATE
GATE
= 0V
= 15V
AS
AS
= 4V
= 10nF
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
1.210
1.215
1.215
1.215
1.215
2.55
22.5
0.33
MIN
–15
300
2.9
6.5
4.7
0.8
3.8
0.8
20
22
65
15
10
60
50
10
60
60
3
1
1
1.235
1.235
1.235
1.235
1.235
LTC4215-1
2.64
TYP
–20
450
128
128
125
3.1
5.9
0.5
4.3
0.2
0.2
0.4
0.2
1.6
1.6
55
25
25
10
75
20
20
30
80
1
0
0
8
1
1.255
1.255
1.255
1.255
MAX
2.79
27.5
1.26
0.47
–30
700
180
200
100
210
3.4
6.5
1.6
4.7
1.2
75
29
13
90
30
35
±1
±1
40
±1
±1
15
±1
1
2
2
UNITS
42151f
3
mV
mV
mV
mV
mV
mA
mA
mV
mV
mV
mV
mV
mV
μA
μA
μA
μA
μA
μA
μA
μs
μs
V
V
V
V
V
V
V
V
V
V
V
V
V