Datasheet

LTC4360-1/LTC4360-2
4
436012fa
TYPICAL PERFORMANCE CHARACTERISTICS
PWRGD Voltage
vs PWRGD Current
GATE Off Propagation Delay
vs Overdrive (V
OVDRV
)
Normal Start-Up Sequence GATE Slow Ramp-Up Entering Sleep Mode (LTC4360-1)
Input Supply Current
vs Input Voltage GATE Drive vs GATE Current
GATE Fast Pull-Down Current
vs Temperature
V
IN
5V/DIV
V
GATE
10V/DIV
V
OUT
5V/DIV
I
CABLE
0.5A/DIV
20ms/DIV
436012 G07
FIGURE 5 CIRCUIT
R
IN
= 150mΩ, L
IN
= 0.7µH
LOAD = 10Ω, C
OUT
= 10µF
V
IN
5V/DIV
V
GATE
10V/DIV
V
OUT
5V/DIV
I
CABLE
0.5A/DIV
1ms/DIV
436012 G08
FIGURE 5 CIRCUIT
R
IN
= 150mΩ, L
IN
= 0.7µH
LOAD = 10Ω, C
OUT
= 10µF
V
ON
5V/DIV
V
GATE
10V/DIV
V
OUT
5V/DIV
I
CABLE
0.5A/DIV
50µs/DIV
436012 G09
FIGURE 5 CIRCUIT
R
IN
= 150mΩ, L
IN
= 0.7µH
LOAD = 10Ω, C
OUT
= 10µF
V
IN
(V)
1
0.1
I
IN
(µA)
1
10
100
1000
10
436012 G01
100
V
ON
= 2.5V
(LTC4360-1)
LTC4360-1 V
ON
= 0V, LTC4360-2)
I
GATE
(µA)
V
IN
= 5V
V
IN
= 3V
V
IN
= 2.5V
0
0
∆V
GATE
(V)
1
2
3
7
6
5
4
8
2 4 6 8
436012 G02
10 12
TEMPERATURE (°C)
–50
20
I
GATE(FST)
(mA)
25
30
35
40
–25 0 25 50
436012 G03
75
V
IN
= 6V
V
GATE
= 9V
100
I
PWRGD
(mA)
0
0
V
PWRGD(OL)
(mV)
200
100
300
400
500
1 2 3 4
436012 G04
5
T
A
= 25°C, V
IN
= 5V, V
ON
= 0V (LTC4360-1) unless otherwise noted.
GATE Voltage and GATE High
Threshold (for PWRGD Status)
vs Input Voltage
V
IN
(V)
2.5
4
V
GATE
/V
GATE(TH)
(V)
5
10
9
8
7
6
11
12
3.53 4 4.5 5 5.5
436012 G06
6
V
IN
= V
OUT
V
GATE
V
GATE(TH)
V
OVDRV
(V)
0
0
t
OFF
(µs)
1
6
5
4
3
2
7
8
0.5 1 1.5 2
436012 G05
2.5
V
IN
= STEP 5V TO (V
IN(OV)
+ V
OVDRV
)