LTC2952 Linear Technology, LTC2952 Datasheet - Page 8

• Manufacturer Part Number: LTC2952
• Description: Pushbutton PowerPath Controller
• Manufacturer: Linear Technology

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LTC2952
TYPICAL PERFORMANCE CHARACTERISTICS
8
10000
1000
1000
100
100
10
50
40
30
20
10
10
1
0.1
–50
Total Turn-On/Turn-Off Time vs
ONT/OFFT Capacitors Value
I
Different Temperatures
0
Worst Case Supply to Supply
Leakage vs Temperature
IN-OFF
V2 = VS = 0V, V1 = 28V
V1 = VS = 0V, V2 = 28V
V1 = V2 = 0V, VS = 28V
–25
5
INPUT SUPPLY VOLTAGE V
vs Input Supply Voltage at
1
0
10
TEMPERATURE (°C)
V1 = V
V2 = V
M1 = OPEN, M2 = 0V
C
ONT
25
IN
IN
/C
15
10
, V2 = 0, VS = OPEN OR
, V1 = 0,VS = OPEN
OFFT
50
(nF)
20
75
100
IN
(V)
25
100
130°C
–45°C
–60°C
90°C
25°C
2952 G01
2952 G04
2952 G07
1000
125
30
0.508
0.506
0.504
0.502
0.500
0.498
0.496
0.494
0.492
–?40
–100
–120
110
100
–20
–60
–80
90
80
70
60
50
40
20
0
–50 –25
–10 –5
0
KILL, PFI, M1 and M2 Falling Input
Threshold Voltage vs Temperature
I
Different Temperatures
PB Current vs PB Voltage
IN-ON
V1 = VS = V
V2 = VS = V
V1 = V2 = VS = 28V
5
INPUT SUPPLY VOLTAGE V
vs Input Supply Voltage at
0
IN
IN
0
10
TEMPERATURE (°C)
, V2 = 0V OR
, V1 = 0V
PB VOLTAGE (V)
5
25
15
10
50
15
20
75
20
IN
(V)
25
100
25
130°C
–45°C
–60°C
90°C
25°C
2952 G02
2952 G08
2952 G05
T
A
125
30
= 25°C, unless otherwise noted.
30
0.508
0.506
0.504
0.502
0.500
0.498
0.496
0.494
0.492
2.4
2.2
2.0
1.8
1.6
3.5
3.4
3.3
3.2
3.1
3.0
–50 –25
–50 –25
–50
ONT/OFFT Pull-Up/Pull-Down
Current vs Temperature
V2 Preferential Threshold
vs Temperature
VM Input Reset Threshold Voltage
vs Temperature
V1 = 28V, VS = OPEN
–25
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
75
75
75
100
100
100
2952 G06
2952 G09
2952 G03
2952fa
125
125
125