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參數(shù)資料
| 型號： | A6130SO8A |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 20 characters x 2 Lines, 5x7 Dot Matric Character and Cursor |
| 中文描述： | 高效率線性電源，電源監(jiān)控和準確監(jiān)測軟件 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 500K |
| 代理商： | A6130SO8A |
High Efficiency Linear Power Supply with Accurate
Power Surveillance and Software Monitoring
Features
■
Highly accurate 5 V, 100 mA guaranteed output
■
Low dropout voltage, typically 380 mV at 100 mA
■
Low quiescent current, typically 155 μA
■
Standby mode, maximum current 340 μA (with
100 μA load on OUTPUT)
■
Unregulated DC input can withstand -20 V reverse
battery and +60 V power transients
■
Fully operational for unregulated DC input voltage up
to 26 V and regulated output voltage down to 3.0 V
■
Reset output guaranteed for regulated output voltage
down to 1.2 V
■
No reverse output current
■
Very low temperature coefficient for the regulated
output
■
Current limiting
■
Comparator for voltage monitoring, voltage reference
1.17V
■
±2.2% voltage reference accuracy at +25°C
■
±4.2% voltage reference accuracy from -40 to +85°C
■
Programmable reset voltage monitoring
■
Programmable power on reset (POR) delay
■
Watchdog with programmable time windows
guarantees a minimum time and a maximum time
between software clearing of the watchdog
■
Time base accuracy ±10%
■
System enable output offers added security
■
TTL/CMOS compatible
■
-40 to +85°C temperature range
■
DIP8 and SO8 packages
Description
The A6130 offers a high level of integration by combining
voltage regulation, voltage monitoring and software mon-
itoring in an 8 lead package. The voltage regulator has a
low dropout voltage (typ. 380 mV at 100 mA) and a low
quiescent current (155 μA). The quiescent current in-
creases only slightly in dropout prolonging battery life.
Built-in protection includes a positive transient absorber
for up to 60 V (load dump) and the ability to survive an un-
regulated input voltage of -20 V (reverse battery). The in-
put may be connected to ground or a reverse voltage
withoutreversecurrentflowfromtheoutputtotheinput.A
comparator monitors the voltage applied at the V
IN
input
comparing it with an internal 1.17 V reference. The
power-on reset function is initialized after V
IN
reaches 1.17
V and takes the reset output inactive after T
POR
depending
of external resistance. The reset output goes active low
when the V
IN
voltage is less than 1.17 V. The RES and EN
outputs are guaranteed to be in a correct state for a regu-
lated output voltage as low as 1.2 V. The watchdog func-
tion monitors software cycle time and execution. If soft-
ware clears the watchdog too quickly (incorrect cycle
time) or too slowly (incorrect execution) it will cause the
system to be reset. The system enable output prevents
critical control functions being activated until software
has successfully cleared the watchdog three times. Such
a security could be used to prevent motor controls being
energized on repeated resets of a faulty system.
Applications
■
Industrial electronics
■
Cellular telephones
■
Security systems
■
Battery powered products
■
High efficiency linear power supplies
■
Automotive electronics
1
A6130
EM MICROELECTRONIC-MARIN SA
Typical Operating Configuration
Pin Assignment
Fig. 1
Fig. 2
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