參數(shù)資料
型號(hào)： FMS7401
廠商： Fairchild Semiconductor Corporation
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： Digital Power Controller
中文描述： 數(shù)字電源控制器
文件頁(yè)數(shù)： 67/80頁(yè)
文件大?。?/td> 1535K
代理商： FMS7401
PRODUCT SPECIFICATION
FMS7401/7401L
REV. 1.0.2 6/23/04
67
AC Electrical Characteristics
All measurements are valid for T
A
=+25°C unless otherwise stated.
Brown-out Reset (BOR) Electrical Characteristics
All measurements are valid for T
A
=+25°C unless otherwise stated.
Programmable Comparator Electrical Characteristics
All measurements are valid for T
A
=+25°C unless otherwise stated.
Symbol
F
OSC
5
Parameter
Conditions
Min.
Typ.
Max.
Units
Internal oscillator frequency
(factory trim set-point)
Vcc=3.3V
1.96
2.00
2.04
MHz
ckv
ckt
Internal oscillator frequency voltage variation
-0.5
+0.5
%
Internal oscillator frequency temperature variation
Vcc=3.3V
-40°C to 85°C
-3
+3
%
Vcc=3.3V
-40°C to 125°C
-4
+4
%
F
PLL
T
PLL_LOCK
3
PLL input reference frequency
2.00
MHz
PLL Lock time
-40°C to 125°C
60
μS
T
EEW
T
RESET
3
T
DIO
3
EEPROM Writing time
3.7
5
mS
System reset time
-40°C to 125°C
2.5
3.7
4.7
mS
T1HS1 and T1HS2 default I/O configuration settling
time
40
μS
T
HALT_REC
3
Internal device start time after exiting from Halt where
F
ICLK
= F
OSC
2
-40°C to 125°C
5
7
μS
Parameter
Conditions
Min.
Typ.
Max.
Units
BOR Trigger Vcc Threshold Level
2.64
2.71
2.78
V
-40°C to +85°C
2.60
2.83
V
-40°C to 125°C
2.59
2.83
V
Parameter
Conditions
Min.
Typ.
Max.
Units
All 32 thresholds (V
THU
)
-6%
V
THU
+6%
V
Upper Range (0.45V to 2.0V)
-40°C to 125°C
-8%
V
THU
+8%
V
All 31 thresholds (V
THL
)
V
THU
– 30mV
V
THL
V
THU
+ 30mV
V
Lower Range (0.03V to 0.43V)
Comparator Response Time
3
-40°C to 125°C
V
THU
– 35mV
V
THL
V
THU
+ 35mV
V
2mV overdrive
359
nS
5mV overdrive
173
nS
10mV overdrive
95
nS
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