Datasheet

LTC2977
12
2977fa
For more information www.linear.com/LTC2977
TYPICAL PERFORMANCE CHARACTERISTICS
Supply Current vs Supply Voltage
Supply Current vs Temperature
V
OUT_EN[3:0]
and V
IN_EN
Output
High Voltage vs Current
V
DD33
Regulator Load Regulation
V
OUT_EN[3:0]
and V
IN_EN
Output
V
OL
vs Current V
OUT_EN[7:4]
V
OL
vs Current
CURRENT SOURCING (mA)
0
3.10
OUTPUT VOLTAGE (V)
3.12
3.16
3.18
3.20
80
3.28
2977 G19
3.14
40
20
100
60 120
3.22
3.24
3.26
–40°C
105°C
25°C
SUPPLY VOLTAGE (V)
4
SUPPLY CURRENT (mA)
10
14
2977 G20
8.96
8.98
6 8 12
9.24
9.22
9.20
9.18
9.16
9.14
9.12
9.10
9.08
9.06
9.04
9.02
9.00
16
TEMPERATURE = 33°C
THREE TYPICAL PARTS
TEMPERATURE (°C)
8.8
SUPPLY CURRENT (mA)
8.9
9.1
9.2
9.3
9.6
2977 G21
9.0
9.4
9.5
V
PWR
= 15V
–50 50
10
90
110
–30
–10
30 70
CURRENT SINKING (mA)
0
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
6 10
2977 G23
2 4
8
12
V
OL
(V)
105°C
25°C
–40°C
CURRENT SINKING (mA)
0
0
V
OL
(V)
0.1
0.2
0.3
0.4
0.6
4
8 12 16
2977 G24
20
24
0.5
105°C
25°C
–40°C
V
DD33
Regulator Output Voltage
vs Temperature
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
3.29
3.28
3.27
3.26
3.25
3.24
3.23
3.22
2977 G18
–50 50
10
90
110
–30
–10
30 70
THREE TYPICAL PARTS
CURRENT SOURCING (µA)
0
9.5
OUTUPT HIGH VOLTAGE (V)
10.0
11.0
11.5
12.0
4
14.0
2977 G22
10.5
2
1
5 6
3
7
12.5
13.0
13.5
105°C
25°C
–40°C