DS1100SLPE Data Sheet
Control and Status Signals
BUS Signals
ISHARE
Bus signal used by the power supply for active current sharing. All power supplies con# gured in the system for n+n sharing will refer to this bus voltage inorder to
load share.
Voltage Range
The range of this signal for active sharing will be up to 8.0 V, which corresponds to the maximum output current.
MIN
7.75
3.85
0
MAX
ISHARE Voltage
Input logic level LOW
8.25
4.15
Voltage at 50% load, stand-alone unit
Voltage at 0% load, stand-alone unit
Current that may be sourced by this pin
1.0
ISOURCE
160 mA
SCL, SDA
Clock and data signals de# ned as per I2C requirements. It is recommended that these pins be pulled-up to a 2.2 kohm resistor to 3.3 V and a 100 pF decoupling
capacitor at the system side.
VL
Input logic level LOW
Input logic level HIGH
0.8 V
3.6 V
VH
2.0 V
Note: All signal noise levels are below 400 mVpk-pk from 0 - 100 MHz.
Electrical Specifications
LED Indicators
A single bi-color LED is used to indicate the power supply status.
Status LED
Fail LED
Amber/Green
Off
Color
Green
Off
No input to PSU
Input present, STBY ON, main output OFF
Main output ON
On
Blinking Amber, at least 1 Hz
green
On
Power supply warning (hi-temp)
Power supply warning (slow fan)
Power supply failure (OVP, OTP, FAN FAULT)
On
Blinking Amber/Green, at 2:1 ratio, at least 1 Hz
Blinking Amber/Green, at 1:1 ratio, at least 1Hz
Amber
Off
On
Firmware Reporting And Monitoring
Accuracy Range
Output loading
Input voltage
Input current
Input power
Output voltage
Output current
Temperature
Fan speed
<10%
10% to 20%
5%
20% to 100%
1 A fixed error
10%
5%
10%
2%
30 W fixed error up to 120 W
15%
5%
0.8 A fixed error
15%
5 ꢀC
5%
Actual 250 RPM
PMBus
YES
YES
Remote ON/OFF
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