LTC4218 Linear Technology, LTC4218 Datasheet - Page 4

• Manufacturer Part Number: LTC4218
• Description: Hot Swap Controller
• Manufacturer: Linear Technology

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ELECTRICAL CHARACTERISTICS
LTC4218
temperature range, otherwise specifi cations are at T
SYMBOL
I
I
I
G
AC Characteristics
t
t
t
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: All currents into pins are positive, all voltages are referenced to
GND unless otherwise specifi ed.
4
TIMER(RATIO)
MON(FS)
MON(OFF)
PHL(GATE)
PHL(SENSE)
D(ON)
IMON
PARAMETER
TIMER Pin Current Ratio I
I
I
I
I
Input High (OV), Input Low (UV) to GATE
Low Propagation Delay
V
Propagation Delay
Turn-On Delay
TIMER(UP)
MON
MON
MON
SENSE
Fullscale Output Current
Pin Offset Current
Pin Gain
+
– V
SENSE
–
High to GATE Low
TIMER(DN)
/
A
= 25°C. V
CONDITIONS
V
V
V
V
V
60mV, C
Falling
Step V
The
SENSE
SENSE
SENSE
GATE
FB
= 0, Step (V
●
DD
< 16.5V Falling
UV
+
+
+
denotes the specifi cations which apply over the full operating
GATE
– V
– V
– V
= 12V unless otherwise noted.
to 2V, V
SENSE
SENSE
SENSE
Note 3: An internal clamp limits the GATE pin to a maximum of 6.5V above
the SOURCE pin. Driving either GATE or SOURCE pin to voltages beyond
the clamp may damage the device.
= 1.5nF, V
SENSE
–
–
–
GATE
= 15mV
= 1mV
= 15mV and 1mV
+
> 13V
– V
GATE
SENSE
< 16.5V
–
) to
●
●
●
●
●
●
●
6.47
MIN
1.6
94
50
6.67
TYP
100
100
0.2
±0
2
3
MAX
6.87
106
150
2.7
±6
5
1
μA/mV
UNITS
4218fb
ms
μA
μA
μs
μs
%