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FMS7401L_05 Datasheet, PDF (66/81 Pages) Fairchild Semiconductor – Digital Power Controller
PRODUCT SPECIFICATION
AC Electrical Characteristics
All measurements are valid for TA=+25°C unless otherwise stated.
Symbol
FOSC5
Parameter
Internal oscillator frequency
(factory trim set-point)
Conditions
Vcc=3.3V
∆ckv
Internal oscillator frequency voltage variation
∆ckt
Internal oscillator frequency temperature variation
Vcc=3.3V
-40°C to 85°C
Vcc=3.3V
-40°C to 125°C
FPLL
TPLL_LOCK3
TEEW
TRESET3
TDIO3
THALT_REC3
PLL input reference frequency
PLL Lock time
EEPROM Writing time
System reset time
T1HS1 and T1HS2 default I/O configuration settling
time
Internal device start time after exiting from Halt where
FICLK = FOSC2
-40°C to 125°C
-40°C to 125°C
-40°C to 125°C
Brown-out Reset (BOR) Electrical Characteristics
All measurements are valid for TA=+25°C unless otherwise stated.
Parameter
Conditions
Min.
BOR Trigger Vcc Threshold Level
2.64
-40°C to +85°C
2.60
-40°C to 125°C
2.59
Programmable Comparator Electrical Characteristics
All measurements are valid for TA=+25°C unless otherwise stated.
Parameter
Conditions
Min.
All 32 thresholds (VTHU)
-6%
Upper Range (0.45V to 2.0V)
-40°C to 125°C
-8%
All 31 thresholds (VTHL)
Lower Range (0.03V to 0.43V)
Comparator Response Time3
-40°C to 125°C
2mV overdrive
VTHU – 30mV
VTHU – 35mV
5mV overdrive
10mV overdrive
FMS7401L
Min.
1.96
-0.5
-3
-4
2.5
Typ.
2.00
2.00
3.7
3.7
40
5
Max.
2.04
Units
MHz
+0.5
%
+3
%
+4
%
MHz
60
µS
5
mS
4.7
mS
µS
7
µS
Typ.
2.71
Max.
2.78
2.83
2.83
Units
V
V
V
Typ.
VTHU
VTHU
VTHL
VTHL
359
173
95
Max.
+6%
+8%
VTHU + 30mV
VTHU + 35mV
Units
V
V
V
V
nS
nS
nS
REV. 1.0.3 1/24/05
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