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PDF AME8834 Data sheet ( Hoja de datos )
| Número de pieza | AME8834 | |
| Descripción | High PSRR/ 150mA CMOS LDO | |
| Fabricantes | Analog Microelectronics | |
| Logotipo |  |
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AME, Inc.
AME8833/8834
High PSRR, 150mA CMOS LDO
n General Description
The AME8833 family of positive, linear regulators fea-
ture low quiescent current (50µA typ.) low dropout volt-
age and excellent PSRR, thus making them ideal for Tele-
communications and other battery applications. The ul-
tra-small SC-70 package is attractive for "Pocket" and
"Hand Held" applications.
AME8834’s output voltage can be adjusted with an
external resister divider.
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under the
"Worst" of operating conditions.
As an additional feature, the AME8833/8834 is stable
with an output capacitance of just extended 0.22µF or
greater.
n Features
l Stable with only 0.22µF output Cap
l Very Low Dropout Voltage
l Guaranteed 150mA Output
l Accurate to within 1.0%
l 50µA Quiescent Current
l Over-Temperature Shutdown
l Current Limiting
l Short Circuit Current Fold-back
l Excellent PSRR (Typ. 70dB)
l Power-Saving Shutdown Mode
l Ultra-small SC-70 and SOT-25-L Package
l Factory Pre-set Output Voltages
l Low Temperature Coefficient
l Input Voltage Range (2V - 5.5V)
n Applications
l Cellular Phones
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
l Battery Powered Widgets
l Electronic Scales
l Cameras
l Telecommunications
n Functional Block Diagram
IN OUT
Overcurrent
Shutdown
SHDN
Thermal
Shutdown
-
AMP
+
R1
R2
Vref GND
n Typical Application
IN
C1
1µF
SHDN
IN AME8833
GND OUT
OUT
C2
0.22µF
IN
C1
SHDN
OUT
IN AME8834
GND
OUT
R1
VREF
R2
C2
1
1 page  
AME, Inc.
AME8833/8834
High PSRR, 150mA CMOS LDO
n Ordering Information
Part Number
AME8833AEIV180
Marking
AWAw
Output Voltage Package Operating Temp. Range
1.8V
SC-70
- 40oC to + 85oC
AME8833AEIV250
AWBw
2.5V
SC-70
- 40oC to + 85oC
AME8833AEIV270
AXFw
2.7V
SC-70
- 40oC to + 85oC
AME8833AEIV280
AWDw
2.8V
SC-70
- 40oC to + 85oC
AME8833AEIV285
AVZw
2.85V
SC-70
- 40oC to + 85oC
AME8833AEIV300
AWEw
3.0V
SC-70
- 40oC to + 85oC
AME8833AEIV320
AXGw
3.2V
SC-70
- 40oC to + 85oC
AME8833AEIV330
AWCw
3.3V
SC-70
- 40oC to + 85oC
AME8833AEEV180L
AWMww
1.8V
SOT-25
- 40oC to + 85oC
AME8833AEEV250L
AWNww
2.5V
SOT-25
- 40oC to + 85oC
AME8833AEEV270L
AXEww
2.7V
SOT-25
- 40oC to + 85oC
AME8833AEEV280L
AWOww
2.8V
SOT-25
- 40oC to + 85oC
AME8833AEEV285L
AWPww
2.85V
SOT-25
- 40oC to + 85oC
AME8833AEEV300L
AWQww
3.0V
SOT-25
- 40oC to + 85oC
AME8833AEEV330L
AWRww
3.3V
SOT-25
- 40oC to + 85oC
AME8833AEIV180Z
AWAw
1.8V
SC-70
- 40oC to + 85oC
AME8833AEIV250Z
AWBw
2.5V
SC-70
- 40oC to + 85oC
AME8833AEIV280Z
AWDw
2.8V
SC-70
- 40oC to + 85oC
AME8833AEIV285Z
AVZw
2.85V
SC-70
- 40oC to + 85oC
AME8833AEIV300Z
AWEw
3.0V
SC-70
- 40oC to + 85oC
AME8833AEIV330Z
AME8834AEIVADJ
AWCw
AWJw
3.3V
Adjustable
SC-70
SC-70
- 40oC to + 85oC
- 40oC to + 85oC
Note: w represents date code ( A thru Z ) : 2 work weeks per character.
Please consult AME sales office or authorized Rep./Distributor for other output voltage and package type availability.
5
5 Page 
AME, Inc.
AME8833/8834
Dropout Voltage vs. Output Voltage
290
270
250
230
210
190
170
150
2.0 2.5 3.0 3.5 4.0 4.5 5.0
Output Voltage (V)
High PSRR, 150mA CMOS LDO
Region of Stable Cout ESR vs. Load Current
1.E+03
1.E+02
1.E+01
1.E+00
Stable Region
1.E-01
1.E-02
0
20 40 60 80 100 120
Load Current (mA)
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet AME8834.PDF ] | |
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