SMM665B
Preliminary Information
DC OPERATING CHARACTERISTICS (CONTINUED)
(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)
Symbol
Parameter
Notes
Min
Typ
Max
Unit
Programmable Open Drain
Outputs (RST, HEALTHY,
FAULT, PUPx)
VOL
ISINK = 1mA
0
0.4
V
Note – Total ISINK from all PUPx pins
should not exceed 6mA or ADOCACC
specification will be affected
IOL
Output Low Current
0
1.0
mA
VDD_CAP
VSENSE
VMonitor
Positive Sense Voltage
Monitor Threshold Step Size
VM pin
+0.3
V
mV
oC
oC
oC
V
VM, AIN1/AIN2 pins
Commercial Temp Range
Industrial Temp Range
5
-3
-5
+3
+5
Internal Temperature Sensor
Accuracy
TSA
TMonitor
VREF
Temperature Threshold Step Size Internal Temp Sensor
Internal 1.25VREF Output Voltage
0.25
1.25
1.24
-0.25
-0.15
1.26
+0.25
+0.15
%
%
–40°C to +85°C
–5°C to +70°C
Internal VREF Temperature
Coefficient
VREF TC
VREF ACC Internal VREF Accuracy
Ext VREF External VREF Voltage Range
-0.4
0.5
+0.4
VDD_CAP
%
V
External VREF=1.25V, ±0.1%,
Total PUPx ISINK = 6ma,
-0.2
+0.2
%
%
±0.1
±0.3
VSENSE ≤ 3.5V
External VREF=1.25V, ±0.1%,
ADOCACC ADOC/Margin Accuracy
Total PUPx ISINK = 6ma,
-0.5
-0.5
+0.5
+0.5
VSENSE ≥ 3.5V
Internal VREF=1.25V, Total
PUPx ISINK = 6ma
%
V
±0.3
VDD_CAP voltage at which
the PUP, RST, HEALTHY
and FAULT outputs are valid
VOUT_VALID Minimum Output Valid Voltage
1
VDD_CAP Rising
VDD_CAP Falling
2.6
2.5
V
V
Under Voltage Lockout
UVLO
Threshold1
VDD_CAP Maximum Output
VDD = 2.7V to 5.5V, Internal
IVDD_CAP
Current
5
mA
regulator = 3.6V or 5.5V
Note 1 - (100mV typ Hysteresis)
Summit Microelectronics, Inc
2089 1.1 10/20/04
8
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
