LTC2954 Linear Technology, LTC2954 Datasheet - Page 5

• Manufacturer Part Number: LTC2954
• Description: Push Button On/Off Controller
• Manufacturer: Linear Technology

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TYPICAL PERFOR A CE CHARACTERISTICS
600
500
400
300
200
100
0
0.0
EN/  E  N V
T
V
A
IN
= 25°C
= 3.3V
0.5
EN/EN CURRENT LOAD (mA)
OL
vs Current Load
1.0
–250
–200
–150
–100
–50
0
–10
 P  B Current vs  P  B Voltage
1.5
–5
W
2.0
0
PB VOLTAGE (V)
2954 G11
5
U
2.5
10
15
20
V
T
1.0
0.8
0.6
0.4
0.2
IN
A
0
= 25°C
= 3.3V
EN (LTC2954-1) Voltage vs V
25
0
2954 G09
T
100k PULL-UP FROM EN TO V
A
= 25°C
30
1
V
IN
2
(V)
IN
300
250
200
150
100
3
50
0
IN
 P  B Voltage vs External  P  B
Resistance to Ground
0
EXTERNAL PB RESISTANCE TO GROUND (kΩ)
2954 G12
V
IN
= 3.3V
4
5
T
A
4
3
2
1
0
10
= 100°C
0
 E  N (LTC2954-2) Voltage vs V
T
100k PULL-UP FROM EN TO V
T
A
A
= 25°C
= –45°C
15
1
T
A
= 25°C
2954 G10
LTC2954
V
IN
20
2
(V)
IN
3
IN
5
2954 G13
2954f
4