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A8182SL Datasheet

  • A8182SL

  • LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY

  • 8頁

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8182
INFORMATION DATA SHEET
PRELIMINARY
LOW-DROPOUT,
(Subject to change without notice)
3 V REGULATOR
November 14, 1994
8182
LOW-DROPOUT, 3 V REGULATOR
鈥?HIGH EFFICIENCY
Designed specifically to meet the requirement for extended opera-
tion of battery-powered equipment such as cordless and cellular
telephones, the A8182SL voltage regulator offers the reduced dropout
voltage and quiescent current essential for maximum battery life.
Applicable also to palmtop computers and personal data assistants, the
device delivers a regulated 3 V output at up to 150 mA.
Input Voltage, V
I
. . . . . . . . . . . . . .
10 V
Output Current, I
O
. . . . . . . . .
150 mA*
Enable Input Voltage, V
E
. . . . . . . . . .
V
I
Reset Output Voltage, V
OR
. . . . . . . .
V
I
Reset Output Current, I
OR
. . . .
1.0 mA
Operating Temperature Range,
T
A
. . . . . . . . . . . . .
-20
擄
C to +85
擄
C
Junction Temperature, T
J
. . .
+150
擄
C
鈥?/div>
Storage Temperature Range,
T
S
. . . . . . . . . . . .
-40
擄
C to +150
擄
C
* Output current rating is limited by input voltage,
duty cycle, and ambient temperature. Under any
set of conditions, do not exceed a junction temp-
erature of +150擄C. See next page.
T
C
U Y
D L
O N
R O
P E
D C
E N
U RE
N E
I
T F
N E
O R
C R
S O
I
D F
鈥?/div>
OUT
1
2
3
3V
8
7
6
OUT
IN
IN
ENABLE
COMP
VR
GND
4
5
RESET
Data Sheet
27468.2
A PMOS pass element provides a typical dropout voltage of only
85 mV at 60 mA of load current. The low dropout voltage permits
deeper battery discharge before output regulation is lost. Furthermore,
quiescent current does not increase as the dropout voltage is
approached, an ideal feature in standby/resume power systems where
data integrity is crucial. Regulator accuracy and excellent temperature
characteristics are provided by a bandgap reference. An ENABLE input
and RESET output gives the designer complete control over power up,
standby, or power down.
This device is supplied in an 8-lead small-outline plastic package
(SOIC) for surface-mount applications. The A8182SL is rated for
operation over a temperature range of -20擄C to +85擄C.
Dwg. PS-020
FEATURES AND BENEFITS
ABSOLUTE MAXIMUM RATINGS
s
High Efficiency Provides Extended Battery Life
s
85 mV Typical Dropout Voltage at I
O
= 60 mA
s
46
碌A(chǔ)
Typical Quiescent Current at V
I
= 6 V
Less than 1
碌A(chǔ)
鈥淪leep鈥?Current
s
Up to 150 mA Output Current
s
CMOS-Compatible ON/OFF Control
For Power-Up, Standby, or Shutdown
s
Internal Thermal Protection
s
Surface-Mount Package
APPLICATIONS
s
s
s
s
Cordless and Cellular Telephones
Personal Data Assistants
Personal Communicators
Palmtop Computers
鈥?Fault conditions that produce excessive junction
temperature will activate device thermal shutdown
circuitry. These conditions can be tolerated but
should be avoided.
Always order by complete part number:
A8182SL
.

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    ALLEGRO [A...
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    SANKEN [Sa...
  • 英文版
    LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY
    ALLEGRO
  • 英文版
    Surface-Mount, Low Quiescent Current, Low Dropout Voltage Dr...
    SANKEN
  • 英文版
    LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY
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    Surface-Mount, Low Quiescent Current, Low Dropout Voltage Dr...
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