DC1540A Linear Technology, DC1540A Datasheet - Page 2

• 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

DEMO MANUAL DC1540A
Table 1. LTC2978 Performance Summary (Specifications Over Temperature –40°C ≤ T
PARAMETER
V
V
ADC Total Unadjusted Error
ADC Voltage Sensing Input Range
ADC Current Sensing Input Range
ADC Voltage Sensing Resolution
ADC Current Sense Resolution
Voltage Buffered IDAC Resolution
10 bits
Temperature Sensor Resolution
Voltage Supervisor Input Voltage
Range (Programmable)
Voltage Supervisor Sensing Resolution
Voltage Supervisor
Total Unadjusted Error
I
Demo System Specifi cations
Table 2. Specifications-DC1361A
V
V
V
V
V
V
V
V
V
2
2
PWR
DD33
OUT
OUT_0
OUT_1
OUT_2
OUT_3
OUT_4
OUT_5
OUT_6
OUT_7
C Serial Clock Frequency
Name
Supply Input Voltage Range
Supply Input Voltage Range
Nominal Voltage-Untrimmed
3.325V ± 1.5%
2.497V ± 1.5%
1.989V ± 1.5%
1.804V ± 1.5%
1.502V ± 1.5%
1.200V ± 1.5%
0.999V ± 1.5%
0.799V ± 1.5%
CONDITION
V
Resolution = 8.192V/32768
0mV <|V
16mV <|V
32mV <|V
63.9mV <|V
127.9mV <|V
Buffer gain setting 0
Buffer gain setting 1
V
V
0V to 3.8V range: 4.096/1024
0V to 6V range: 8.192/1024
2V < V
1.5V < V
0.8V < V
IN
SENSEP[n]
SENSEM[n]
= 3V
IN_VS
IN_ADC
IN_VS
IN_VS
IN_ADC
IN_ADC
IN_ADC
< 6V, Low Resolution Mode
IN_ADC
< 3.8V, High Resolution Mode
< 1.5V, High Resolution Mode
| < 16mV
| < 32mV
| < 63.9mV
| <127.9mV
|
Low resolution
High resolution
Notes:
•
•
•
Load current less than 2A on each output is recom-
mended.
Max current into J11 (+12V) should be < 6A max.
Output voltages can be margined by a minimum of
±15% from nominal with the default resistor values on
the DC1361A. These values can be easily changed. See
section “Changing DC1361A Nominal Output Voltages.
Use the LTC2978 Resistor Selection Tool, (Spreadsheet)
which is accessed from LTpowerPlay.
A
≤ 85°C)
VALUE
4.5V to 15V
3.13V to 3.47V
±0.25%
–0.1V to 6V
–170mV to 170mV
122μV/LSB
15.6μV/LSB
31.25μV/LSB
62.5μV/LSB
125μV/LSB
250μV/LSB
1.38mV/LSB
2.65mV/LSB
0.25°C/LSB
0 to 6V
0 to 3.8V
–0.1 to 0.1V
4mV/LSB
8mV/LSB
±1.25 %
±1.0 %
±1.5 %
10kHz to 400kHz
dc1540af