SMM205
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
1.25VREF Output
VREF
1.24
1.25
1.26
V
R
LOAD
= 2KΩ to GND
Voltage
External V
REF
Voltage
0.25
VDD
V
V
REF_CNTL
Range
External VREF=1.25V, ±0.1%
ADOC
ACC
ADOC/Margin Accuracy
ADOC trimmed to internal VREF
-0.5
+0.5
%
-0.2
+0.2
%
AC OPERATING CHARACTERISTICS
(Over recommended operating conditions, unless otherwise noted. All voltages are relative to GND.)
Symbol
Parameter
Notes
Min.
Typ.
Max
Unit
t
DC_CONTROl
T
settling
Active DC Control
sampling period
Settling Time
Update period for Active DC
Control
+ 10% change in voltage with
0.1% ripple
Fast Margin, nom to high,
TRIM_CAP=1µF
Slow Margin, nom to high,
TRIM_CAP=1µF
1.7
100
20
200
ms
ms
ms
ms
T
TRIM
Trim Speed
Summit Microelectronics, Inc
2069 1.4 6/23/03
6
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
