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ISL28025 Datasheet, PDF (10/47 Pages) Intersil Corporation – Precision Digital Power Monitor with Real Time Alerts
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ISL28025
Electrical Specifications TA = +25°C, I2CVCC = VCC = 3.3V, VINP = VBUS = 12V, VSENSE = VINP - VINM = 80mV, Aux V = 3V, Conversion
Time: Aux = Primary = 2.05ms, Internal AVG Aux = Primary = 128, unless otherwise specified. All voltages with respect to GND pin. Temperature limits
established by characterization. (Continued)
PARAMETER
DESCRIPTION
TEST CONDITIONS
MIN
MAX
(Note 6)
TYP
(Note 6) UNITS
tHD:STO STOP Condition Hold Time
From SMBDAT rising edge to SMBCLK
600
ns
falling edge. Both crossing 70% of
I2CVCC
tDH
Output Data Hold Time
tR
SMBDAT and SMBCLK Rise Time
tF
SMBDAT and SMBCLK Fall Time
From SMBCLK falling edge crossing
30% of I2CVCC, until SMBDAT enters
the 30% to 70% of I2CVCC window
From 30% to 70% of I2CVCC
From 70% to 30% of I2CVCC
0
20 + 0.1 x
Cb
20 + 0.1 x
Cb
ns
300
ns
300
ns
Cb
Capacitive Loading of SMBDAT or
Total on-chip and off-chip
10
SMBCLK
400
pF
RPU
SMBDAT and SMBCLK Bus Pull-up
Maximum is determined by tR and tF
1
kΩ
Resistor Off-chip
For Cb = 400pF, max is about
2kΩ ~ 2.5kΩ.
For Cb = 40pF, max is about
15kΩ ~ 20kΩ
POWER SUPPLY
Vvcc
Vi2cvcc
Power Supply Voltage at VCC
Power Supply Voltage at I2CVCC
f = DC to 400kHz
3.0
3.3
5.5
V
1.2
3.3
5.5
V
Only ADC in Conversion mode
All other blocks are disabled
690
830
µA
Only ADC in Idle Mode
All other blocks are disabled
640
705
µA
Only Threshold Detectors
All three detectors are active
760
945
µA
Fully Enabled Chip Current
All functional blocks enabled
1000
1260
µA
Fully Disabled Chip Current
All functional blocks disabled
5
15
µA
Ivreg_in
Ii2cvcc
Ii2cvcc_pd
Voltage Regulator
I2C Supply Current
I2C Idle Supply Current
Vreg_in = 4.5V to 60V; RLOAD = open
SMBCLK = 100kHz; I2CVCC = 3.3V
Input signals are static
26
35
µA
15
µA
100
nA
NOTE:
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Compliance to datasheet limits is assured by one or
more of the following methods: production test, characterization and design.
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FN8388.3
June 17, 2015
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