SMH4814
Preliminary Information
DC OPERATING CHARACTERISTICS (
Continued
)
Over recommended operating conditions, unless otherwise noted. All voltages are relative to V
SS
.
DC Programmable Functions (Note 2)
Symbol
V
UV
V
UVHYS
V
OV
V
OVHYS
V
CB
V
CBMAX
V
CR
V
QCB
I
VGHS_MAX
Parameter
Under-Voltage Threshold
Under-Voltage Hysteresis
Over-Voltage Threshold
Over-Voltage Hysteresis
Circuit Breaker Threshold
Circuit Breaker Threshold MAX
Current Regulation Level
Programmable Quick Trip Circuit
Breaker Threshold Voltage
VGATE_HS Maximum Current
Conditions
Default 2.864V
Default 160mV
Default 3.072V
Default 160mV
Default 50mV
Default 256mV
Default V
CB
+25%
Default 100mV
Default 72µA
V
GATE
= 5V
Min.
-5
-5
-5
-5
-5
-5
-5
-5
–5
Typ.
V
UV
V
UVHYS
V
OV
V
OVHYS
V
CB
V
CBMAX
V
CR
V
QCB
I
VGHS_MAX
Max.
+5
+5
+5
+5
+5
+5
+5
+5
+5
Units
%
%
%
%
%
%
%
%
%
I
VGATEA/B
Programmable I
VGATEA
, I
VGATEB
Default 50µA
–25
I
VGATEA/B
25
%
I
FEED_SEL
Programmable FEED current of the
selected feed (A or B)
Default 18µA
–5
I
FEED_SEL
5
%
I
FEED_UNSEL
Programmable FEED current of the
unselected feed (A or B)
Default 26µA
–5
I
FEED_UNSEL
5
%
Notes:
2 - Default values listed; refer to the Configuration Registers description for the range of values allowed.
Summit Microelectronics, Inc
2080 2.0 07/21/05
8
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
