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8183 Datasheet

  • 8183

  • LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY

  • 8頁

  • ALLEGRO   ALLEGRO

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8183
LOW-DROPOUT,
8183
LOW-DROPOUT, 3 V REGULATOR
3 V REGULA-
鈥?HIGH EFFICIENCY
Designed specifically to meet the requirement for extended opera-
tion of battery-powered equipment such as cordless and cellular
telephones, the A8183SLU 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, continuous 3 V output at up to 75 mA under
normal operating conditions, or to 150 mA (transient) under worst-case
conditions.
OUT
SUB
6
5
4
3V
SUB
IN
TOR
Input Voltage, V
I
. . . . . . . . . . . . . .
10 V
Output Current, I
O
. . . . . . . . .
150 mA*
Enable Input Voltage, V
E
. . . . . . . . . .
V
I
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
temperature 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>
VR
SUB
1
2
3
Data Sheet
27468.4
GND
ENABLE
SUB
A PMOS pass element provides a typical dropout voltage of only
90 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 ap-
proached, 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
gives the designer complete control over power up, standby, or power
down.
This device is supplied in a 6-lead small-outline plastic package
(similar to the SOT-89/TO-243AA) for surface-mount applications. The
A8183SLU is rated for operation over a temperature range of -20擄C to
+85擄C.
Dwg. PS-021
FEATURES AND BENEFITS
ABSOLUTE MAXIMUM RATINGS
s
High Efficiency Provides Extended Battery Life
s
90 mV Typical Dropout Voltage at I
O
= 60 mA
s
45
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
鈥?Fault conditions that produce excessive junction
temperature will activate device thermal
shutdown circuitry. These conditions can be
tolerated but should be avoided.
Cordless and Cellular Telephones
Personal Data Assistants
Personal Communicators
Palmtop Computers
.
Always order by complete part number:
A8183SLU

8183 產(chǎn)品屬性

  • 1,447現(xiàn)貨6,100Factory

  • 1 : ￥3.18000散裝

  • -

  • 散裝

  • 在售

  • 螺釘端子，電源分接頭

  • 6-32

  • 焊接

  • 15 A

  • 2

  • 通孔，直角

  • -

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  • 英文版
    LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY
    ALLEGRO
  • 英文版
    LOW-DROPOUT, 3 V REGULATOR . HIGH EFFICIENCY
    ALLEGRO [A...

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