ltc2978 Linear Technology Corporation, ltc2978 Datasheet - Page 11

• Manufacturer Part Number: ltc2978
• Description: Octal Pmbus Power Supply Monitor And Controller With Eeprom
• Manufacturer: Linear Technology Corporation

Typical perForMance characTerisTics
3.275
3.270
3.265
3.260
3.255
3.250
3.245
3.240
3.235
1000
10.4
10.3
10.1
10.0
10.5
10.2
0.01
100
9.9
9.8
0.1
10
1
0.01
–50
3
Voltage Buffered IDAC Output
Impedance vs Frequency
V
vs Temperature
Supply Current vs Supply Voltage
V
DD33
PWR
–35
3.1
= V
–20
0.1
Regulator Output Voltage
DD33
–5
TEMPERATURE (°C)
3.2
FREQUENCY (kHz)
10
1
V
DD33
3.3
25
(V)
40
10
3.4
55
100
70
3.5
85
2978 G28
2978 G25
2978 G31
1000
100
3.6
10.16
10.10
10.06
10.02
–100
–300
10.14
10.12
10.08
10.04
–200
–400
–500
400
300
200
100
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0
4.5
–50
0
Supply Current vs Temperature
V
vs Current
V
V
DD33
OUT_EN[3:0]
PWR
–35
6
2
= 12V
–20 –5
Regulator Line Regulation
7.5
TEMPERATURE (°C)
–40°C
85°C
4
and V
10
I
V
SINK
9
PWR
25°C
25°C
25
6
(mA)
10.5
(V)
IN_EN
85°C
40
8
55
–40°C
12
V
OL
70
10
13.5
2978 G26
85 100
2978 G32
2978 G29
12
15
12.5
12.0
11.5
10.5
–100
–102
14.0
13.5
13.0
11.0
10.0
–86
–88
–90
–92
–94
–96
–98
9.5
0.6
0.5
0.4
0.3
0.2
0.1
0
–50
0
V
0
V
Current vs Temperature
V
High Voltage vs Load Current
OUT_EN[7:4]
DD33
OUT_EN[3:0]
–35
1
4
–20
Regulator Short-Circuit
CURRENT SOURCING (µA)
–40°C
2
–5
TEMPERATURE (°C)
25°C
8
25°C
V
and V
10
I
OL
SINK
3
85°C
LTC2978
25
vs Current
12
(mA)
–40°C
85°C
IN_EN
4
40
16
55
Output
5
70

20
6
2978 G30
85
2978 G33
2978 G27
2978fa
100
24
7