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參數(shù)資料
| 型號(hào)： | A6150A1XSO8B |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 晶體 |
| 英文描述： | CRYSTAL 25MHZ SMD |
| 中文描述： | 高效率線性電源，電源監(jiān)控及軟件監(jiān)控 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大?。?/td> | 324K |
| 代理商： | A6150A1XSO8B |
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1
EM MICROELECTRONIC-MARIN SA
A6150
High Efficiency Linear Power Supply with
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 175
μ
A
Standby mode, maximum current 340
μ
A (with
100
μ
A 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
1.52 V
Programmable reset voltage monitoring
Programmable power on reset (POR ) delay
Watchdog with programmable time windows guarant-
ees 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
On request extended temperature range,-40 to +125
°
C
DIP8 and SO8 packages
Description
The A6150 offers a high level of integration by combining
voltage regulation, voltage monitoring and software
monitoring in an 8 lead package. The voltage regulator
has a low dropout voltage (typ. 380 mV at 100 mA) and a
low quiescent current (175
μ
A). The quiescent current
increases 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
unregulated input voltage of –20 V (reverse battery). The
input may be connected to ground or a reverse voltage
without reverse current flow from the output to the input. A
comparator monitors the voltage applied at the V
input
comparing it with an internal 1.52 V reference. The power-
on reset function is initialized after V
reaches 1.52 V and
takes the reset output inactive after T
depending of
external resistance. The reset output goes active low when
the V
voltage is less than 1.52 V. The RES and EN
outputs are guaranteed to be in a correct state for a
regulated output voltage as low as 1.2 V. The watchdog
function monitors software cycle time and execution. If
software 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
Automotive systems
Cellular telephones
Security systems
Battery powered products
High efficiency linear power supplies
Automotive electronics
Typical Operating Configuration
Pin Assignment
5 V
Fig. 1
GND
A6150
V
IN
TCL
RES
EN
R
V
SS
INPUT OUTPUT
Unregu-
lated
voltage
Version A0:
Version A1:
OUTPUT
Fig. 2
V
IN
R
INPUT
A6150
EN
RES
TCL
V
SS
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