LTC4361-1_12 LINER [Linear Technology], LTC4361-1_12 Datasheet - Page 3

• Manufacturer Part Number: LTC4361-1_12
• Description: Overvoltage/Overcurrent Protection Controller
• Manufacturer: LINER [Linear Technology]

elecTrical characTerisTics
temperature range, otherwise specifications are at T
SYMBOL
Supplies
V
V
I
Thresholds
V
V
∆V
∆V
External Gate Drive
∆V
V
I
V
I
I
Input Pins
I
I
V
I
Output Pins
V
R
V
R
Delay
t
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.
IN
GATE(UP)
GATE(FST)
GATE(DN)
SENSE(IN)
OUT(IN)
ON
ON
OFF
PWRGD
ON(OFF)
IN
IN(UVL)
IN(OV)
IN(OVL)
GATE(TH)
GATE(UP)
ON(TH)
GATEP(CLP)
PWRGD(OL)
GATEP
PWRGD
OV
OC
GATE
PARAMETER
Input Voltage Range
Input Undervoltage Lockout
Input Supply Current
IN Pin Overvoltage Threshold
IN Pin Overvoltage Recovery Threshold
Overvoltage Hysteresis
Overcurrent Threshold
External N-Channel MOSFET Gate Drive
(V
GATE High Threshold for PWRGD Status V
GATE Pull-Up Current
GATE Ramp-Up
GATE Pull-Down Current
GATE Pull-Down Current
SENSE Input Current
OUT Input Current
ON Input Threshold
ON Pull-Down Current
IN to GATEP Clamp Voltage
GATEP Resistive Pull-Down
PWRGD Output Low Voltage
PWRGD Pull-Up Resistance to OUT
GATE On Delay
GATE Off Propagation Delay
PWRGD Delay
ON High to GATE Off
GATE
– V
OUT
)
CONDITIONS
V
V
V
V
V
V
2.5V ≤ V
3V ≤ V
V
V
V
Fast Turn-Off, V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN
ON
ON
IN
IN
IN
IN
IN
GATE
GATE
ON
SENSE
OUT
OUT
ON
IN
GATEP
IN
IN
IN
IN
IN
IN
GATE
ON
A
Rising
Rising
Falling
– V
= 3.3V
= 5V
= 8V to 80V
= 5V, I
= 6.5V, V
High to I
= Step 5V to 6.5V to PWRGD High
– V
= Step 5V to 6.5V
= 0V
= 2.5V
= 2.5V, V
= 2.5V
= Step 0V to 2.5V
= 25°C. V
= 5V, V
= 5V, V
= 1V
= 1V to 7V
> V
IN
SENSE
SENSE
= 3V
= 5V
IN
< 5.5V, I
GATE(TH)
The
PWRGD
< 3V, I
GATE
ON
ON
PWRGD
= Step 0mV to 100mV
GATE
l
IN
= 0V
= 2.5V
IN
= –5µA
GATE
GATE
= 3mA
denotes the specifications which apply over the full operating
= 6V, V
to PWRGD Low
= 9V
= 5V, V
= 1V
= –1µA
= –1µA
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to GND unless otherwise
specified.
Note 3: An internal clamp limits V
Driving this pin to voltages beyond this clamp may damage the device.
GATE
ON
= 9V (C-, I-Grade)
= 0V, unless otherwise noted.
(H-Grade)
(C-, I-Grade)
(H-Grade)
LTC4361-1/LTC4361-2
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
GATE
5.684
5.51
–4.5
MIN
220
2.5
1.8
3.5
4.5
5.7
6.7
1.3
0.4
0.6
25
45
15
12
50
25
5
5
2
5
5
to a minimum of 4.5V above V
0.23
0.23
0.25
0.25
TYP
220
100
–10
500
130
2.1
1.5
5.8
5.7
4.5
6.3
7.2
5.8
50
30
30
40
10
10
10
65
6
3
0
5
2
2
5.916
MAX
2.47
5.85
400
260
–15
800
219
105
7.9
6.8
7.8
4.5
1.5
7.9
3.2
0.4
0.5
80
10
55
60
60
80
20
±3
10
20
6
1
1
5
436112fb
UNITS
OUT
V/ms
3
MΩ
mV
mV
mA
mA
ms
ms
kΩ
µA
µA
µA
µA
nA
µA
µA
µA
µs
µs
µs
µs
.
V
V
V
V
V
V
V
V
V
V
V
V