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PDF A8183SLU Data sheet ( Hoja de datos )
| Número de pieza | A8183SLU | |
| Descripción | LOW-DROPOUT/ 3 V REGULATOR . HIGH EFFICIENCY | |
| Fabricantes | Allegro MicroSystems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de A8183SLU (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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8183
LOW-DROPOUT,
8183
LOW-DROPOUT, 3 V REGULATOR
— HIGH E3 FVFRIECGIUELNA-CY
Designed specifically to meet the requirement for extended opera-
TOR
CT6 5 4
U YSUB
OD NLVR
PR OSUB
E1 2
3
NUEDRENCDwg.PS-021
NTI EFEABSOLUTE MAXIMUM RATINGS
O RInput Voltage, VI . . . . . . . . . . . . . . 10 V
COutput Current, IO . . . . . . . . . 150 mA*
S REnable Input Voltage, VE . . . . . . . . . . VI
Operating Temperature Range,
I OTA . . . . . . . . . . . . . -20°C to +85°C
D FJunction Temperature, TJ . . . +150°C†
Storage Temperature Range,
TS . . . . . . . . . . . . -40°C to +150°C
—* Output current rating is limited by input voltage,
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.
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°C to
+85°C.
FEATURES AND BENEFITS
s High Efficiency Provides Extended Battery Life
s 90 mV Typical Dropout Voltage at IO = 60 mA
s 45 µA Typical Quiescent Current at VI = 6 V
Less Than 1 µA “Sleep” 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
duty cycle, and ambient temperature. Under
any set of conditions, do not exceed a junction
s Cordless and Cellular Telephones
temperature of +150°C. See next page.
s Personal Data Assistants
† Fault conditions that produce excessive junction
temperature will activate device thermal
shutdown circuitry. These conditions can be
tolerated but should be avoided.
s Personal Communicators
s Palmtop Computers
Always order by complete part number: A8183SLU .
1 page  
8183
LOW-DROPOUT,
TYPICAL CHARACTERISTICS (cont’d) 3 V REGULA-
T3O.06 R
3.04
3.02
LOAD REGULATION
LINE REGULATION
3.06
3.04
3.02
TA = 85°C
50 mA INTERVALS
3.00
2.98
VI = 8 V
3.00
IO = 0 mA
2.98
2.96
2.94
TA = 85°C
2 V INTERVALS
VI = 4 V
2.92
0
25 50 75 100
OUTPUT CURRENT in mA
125 150
Dwg. GP-052-5
2.96
2.94
2.92
2.0
OUTPUT VOLTAGE
IO = 100 mA
3.0 4.0 5.0 6.0
INPUT VOLTAGE in VOLTS
7.0 8.0
Dwg. GP-053-5
3.5
3.0
VI = 6 V
2.5
3.01
IO = 0
2.0 3.00
1.5 2.99
IO = 0 - 100 mA
1.0
TA = 25°C
2.98
0.5
0
0
1.0 2.0 3.0
INPUT VOLTAGE in VOLTS
4.0
Dwg. GP-059
-50 0 +50
AMBIENT TEMPERATURE in °C
+100
Dwg. GP-050-1
CAUTION: Maximum allowable duty cycle will be significantly less than 100% at high temperatures, at high input voltages, or at high output currents.
See Maximum Allowable Output Current table.
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet A8183SLU.PDF ] | |
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