DC1540A Linear Technology, DC1540A Datasheet - Page 11

• Manufacturer Part Number: DC1540A
• Description: LTC2978 Demoboard (includes DC1360A + DC1361A), Requires DC1613A
• Manufacturer: Linear Technology
• Series: -r

Specifications of DC1540A

• Design Resources: DC1540 Design File
• Main Purpose: Power Management, Power Supply Supervisor/Tracker/Sequencer
• Embedded: No
• Utilized Ic / Part: LTC2978
• Primary Attributes: Voltage Detector & Supervisor
• Secondary Attributes: -
• Kit Application Type: Power Management
• Application Sub Type: Power Supply Controller
• Features: Demonstration System For The LTC2978 Octal I2C / SMBus / PMBus Power Supply Monitor & Controller
• Lead Free Status / Rohs Status: Not applicable / Not applicable

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