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A6300ANSO8B

Description
High Efficiency Linear Power Supply
File Size194KB,8 Pages
ManufacturerETC
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A6300ANSO8B Overview

High Efficiency Linear Power Supply

EM MICROELECTRONIC-MARIN SA
A6300
High Efficiency Linear Power Supply with
Power Surveillance and Time-out
Features
Supply voltage monitoring
Highly accurate 5 V, 100 mA guaranteed output
Low dropout voltage, typically 380 mV at 100 mA
Low quiescent current, typically 100
µ
A
Standby mode, maximum current 310
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 1 V
Reset output guaranteed for regulated output voltage
down to 1 V
No reverse output current
Very low temperature coefficient for the regulated output
Current limiting
Clear microprocessor restart after power up
Push-pull or Open drain output
-40 to +85
°
C temperature range
DIP8 and SO8 packages
Typical Operating Configuration
For Open drain version:
Unregulated
Voltage
Regulated
Voltage
INPUT OUTPUT
5V
A6300
RES
V
SS
V
SS
Fig. 1
Description
The A6300 offers a high level of integration by combining
voltage regulation and voltage monitoring. The voltage
regulator has a low dropout ( typ. 380 mV at 100 mA )
and a low quiescent current (100
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. Upon the OUTPUT voltage rising
above V
TH
, the reset output, whether RES or RES, will
remain active (RES = 1, RES = 0) for an additional time
of 50 ms. This allows the system voltage and the
oscillator of the microprocessor to stabilize before they
becomes fully active. When V
OUTPUT
falls below V
TH
, the
reset output goes active. Threshold voltage can be
obtained in different versions: 2 V, 2.4 V, 2.8 V, 3.5 V, 4 V.
Pin Assignment
DIP8/ SO8
RES or RES
V
SS
N.C.
N.C.
A6300
N.C.
OUTPUT
INPUT
N.C.
Applications
White / brown goods
Industrial electronics
Automotive electronics
Cellular telephones
Security systems
Battery powered products
High efficiency linear power supplies
Fig. 2
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