LTC4360-1 Linear Technology, LTC4360-1 Datasheet - Page 4

• Manufacturer Part Number: LTC4360-1
• Description: Overvoltage Protection Controller
• Manufacturer: Linear Technology

LTC4360-1/LTC4360-2
TYPICAL PERFORMANCE CHARACTERISTICS
T
0.5A/DIV
4
10V/DIV
A
5V/DIV
5V/DIV
I
V
CABLE
= 25°C, V
V
1000
GATE
100
400
200
100
OUT
500
300
V
0.1
10
IN
1
0
1
0
FIGURE 5 CIRCUIT
R
LOAD = 10Ω, C
Input Supply Current
vs Input Voltage
PWRGD Voltage
vs PWRGD Current
Normal Start-Up Sequence
IN
LTC4360-1 V
= 150mΩ, L
IN
1
= 5V, V
ON
OUT
IN
I
PWRGD
= 0V, LTC4360-2)
2
20ms/DIV
= 0.7μH
ON
= 10μF
V
IN
10
= 0V (LTC4360-1) unless otherwise noted.
(V)
(mA)
(LTC4360-1)
V
3
ON
= 2.5V
4
436012 G07
436012 G01
436012 G04
100
5
0.5A/DIV
10V/DIV
5V/DIV
5V/DIV
I
V
CABLE
V
GATE
OUT
V
IN
1
1
8
7
6
5
4
3
2
0
8
7
6
5
4
3
2
0
0
FIGURE 5 CIRCUIT
R
LOAD = 10Ω, C
0
GATE Drive vs GATE Current
GATE Off Propagation Delay
vs Overdrive (V
GATE Slow Ramp-Up
IN
= 150mΩ, L
2
0.5
V
V
IN
IN
= STEP 5V TO (V
= 2.5V
OUT
4
V
IN
IN
V
1
= 0.7μH
I
OVDRV
GATE
1ms/DIV
= 10μF
= 3V
OVDRV
6
(μA)
(V)
1.5
)
IN(OV)
8
V
IN
+ V
2
= 5V
10
OVDRV
436012 G05
436012 G08
436012 G02
)
2.5
12
0.5A/DIV
10V/DIV
5V/DIV
5V/DIV
I
V
CABLE
V
GATE
V
OUT
25
40
35
30
20
12
11
10
ON
5
9
8
7
6
4
–50
2.5
GATE Fast Pull-Down Current
vs Temperature
GATE Voltage and GATE High
Threshold (for PWRGD Status)
vs Input Voltage
Entering Sleep Mode (LTC4360-1)
FIGURE 5 CIRCUIT
R
LOAD = 10Ω, C
V
V
V
IN
IN
IN
GATE
= 150mΩ, L
= 6V
= V
–25
3
= 9V
OUT
3.5
TEMPERATURE (°C)
0
OUT
IN
www.DataSheet4U.com
= 0.7μH
50μs/DIV
4
= 10μF
V
IN
25
(V)
V
V
4.5
GATE
GATE(TH)
50
5
75
5.5
436012 G03
436012 G06
436012 G09
436012f
100
6