LTC4216
3
4216fa
For more information www.linear.com/LTC4216
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25癈. V
CC
= 3.3V, unless otherwise noted. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
擵
CB(TH)
Circuit Breaker Trip Voltage Threshold
(V
SENSEP
V
SENSEN
)
V
SENSEP
= 0.4V, 3.3V
l
22.5
21.5
25
25
27.5
28.5
mV
mV
擵
ACL(TH)
Analog Current Limit Voltage Threshold
(V
SENSEP
V
SENSEN
)
l
32
40
48
mV
I
SENSEP(IN)
SENSEP Pin Input Current
V
SENSEP
= V
SENSEN
= V
CC
= 6V
V
SENSEP
= V
SENSEN
= 0V, V
CC
= 6V
l
l
20
70
7
250
20
礎
礎
I
SENSEN(IN)
SENSEN Pin Input Current
V
SENSEN
= V
SENSEP
= V
CC
= 6V
V
SENSEN
= V
SENSEP
= 0V, V
CC
= 6V
l
l
5
10
10
15
15
礎
礎
I
GATE(UP)
GATE Pull Up Current
Gate Drive On, V
GATE
= 0V, V
ON
= 2V
l
16
20
26
礎
I
GATE(DN)
GATE Pull Down Current
Gate Drive Off, V
GATE
= 5V, V
ON
= 0.6V
V
SENSEP
- V
SENSEN
= 55mV, V
GATE
= 5V
V
SENSEP
- V
SENSEN
= 100mV, V
GATE
= 5V
l
l
l
100
1
15
600
5
50
1500
20
100
礎
mA
mA
擵
GATE
External N-Channel Gate Drive
(V
GATE
V
SENSEN
)
2.3V d V
CC
< 3V
3V d V
CC
d 6V
l
l
4.0
4.5
5.0
6.2
7.9
7.9
V
V
V
GATE(TH)
GATE Pin Threshold Voltage
V
GATE
Falling
l
0.15
0.2
0.3
V
V
SS(CLP)
SS Pin Clamp Voltage
After End of SS Timing Cycle
l
1.3
1.65
2.0
V
V
SS(TH)
SS Pin Threshold Voltage
V
SS
Falling
l
0.15
0.2
0.35
V
I
SS(UP)
SS Pull Up Current
V
ON
= 2V, V
SS
= 1.2V, V
FB
= 2V
V
ON
= 2V, V
FB
= 0V
l
l
7
0.3
10
1
13
2
礎
礎
I
SS(DN)
SS Pull Down Current
V
ON
= 0V, V
SS
= 2V
8
mA
V
FB(TH)
FB Pin Threshold Voltage
V
FB
Falling
l
0.593
0.602
0.611
V
擵
FB(LINEREG)
FB Pin Threshold Line Regulation
2.3V d V
CC
d 6V
l
0.2
3
mV
擵
FB(HYST)
FB Pin Hysteresis
3
mV
I
FB(IN)
FB Pin Input Current
V
FB
= 1.2V, V
CC
= 6V
l
0
?
礎
V
ON(TH)
ON Pin Threshold Voltage
V
ON
Rising
l
0.77
0.8
0.83
V
擵
ON(HYST)
ON Pin Hysteresis
l
40
80
130
mV
V
ON(FC)
ON Pin Fault Clear Threshold Voltage
V
ON
Falling
l
0.36
0.4
0.44
V
I
ON(IN)
ON Pin Input Current
V
ON
= 1.2V, V
CC
= 6V
l
0
?
礎
V
TMR(TH)
TIMER Pin Threshold Voltage
V
TIMER
Rising
V
TIMER
Falling
l
l
1.216
0.15
1.253
0.2
1.291
0.35
V
V
I
TMR(UP)
Timer Pull Up Current
Timer On, V
ON
= 2V, V
TIMER
= 1V
l
1.5
2
2.5
礎
I
TMR(DN)
Timer Pull Down Current
Timer Off, V
ON
= 0V, V
TIMER
= 2V
8
mA
V
FILT(TH)
FILTER Pin Threshold Voltage
V
FILTER
Rising
V
FILTER
Falling
l
l
1.216
0.15
1.253
0.2
1.291
0.35
V
V
I
FILT(UP)
Filter Pull Up Current
V
ON
= 2V, V
FILTER
= 1V, In Fault Mode
l
45
60
75
礎
I
FILT(DN)
Filter Pull Down Current
V
ON
= 2V, V
FILTER
= 1V, No Faults
V
ON
= 0V, V
FILTER
= 2V, In Reset Mode
l
1.5
2.4
8
3.3
礎
mA
V
FAULT(TH)
FAULT Pin Threshold Voltage
V
FAULT
Falling
l
1.216
1.253
1.291
V
擵
FAULT(HYST)
FAULT Pin Hysteresis
10
mV
I
FAULT(UP)
FAULT Pin Current
V
ON
= 0V, V
FAULT
= 1.5V
l
3
5
7
礎
V
OL
Output Low Voltage (RESET, FAULT)
I
RESET
= I
FAULT
= 1.6mA
l
0.15
0.4
V
I
RESET(LEAK)
RESET Pin Input Leakage Current
V
RESET
= V
CC
= 6V
0
?0
礎
t
CB(TRIP)
Circuit Breaker Trip to Gate Discharging
(V
SENSEP
- V
SENSEN
) = Step 0V to 150mV
(V
SENSEP
- V
SENSEN
) = Step 0V to 30mV,
V
SENSEP
= V
CC
, FILTER = 10nF to GND
l
l
120
1
240
3
360
祍
祍