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
Functional Block Diagram
IN
Overcurrent
Shutdown
OUT
Thermal
Shutdown
SHDN
R1
-
+
AMP
R2
Vref
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 TSOT-25 Package
l
Factory Pre-set Output Voltages
l
Low Temperature Coefficient
l
Input Voltage Range (2V - 5.5V)
C1
1µF
IN
GND
n
Typical Application
SHDN
IN
OUT
GND
OUT
AME8833
C2
0.22µF
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
1
C1
OUT
IN
SHDN
IN
OUT
AME8834
GND
R1
V
REF
R2
C2
AME, Inc.
AME8833/8834
High PSRR, 150mA CMOS LDO
n
Ordering Information
Part Number
AME8833AEIV180
AME8833AEIV180Z
AME8833AEIV250
AME8833AEIV250Z
AME8833AEIV270
AME8833AEIV270Z
AME8833AEIV280
AME8833AEIV280Z
AME8833AEIV285
AME8833AEIV285Z
AME8833AEIV300
AME8833AEIV300Z
AME8833AEIV320
AME8833AEIV320Z
AME8833AEIV330
AME8833AEIV330Z
AME8834AEIVADJ
AME8834AEIVADJZ
Marking*
AWAw
AWAw
AWBw
AWBw
AXFw
AXFw
AWDw
AWDw
AVZw
AVZw
AWEw
AWEw
AXGw
AXGw
AWCw
AWCw
AWJw
AWJw
Output Voltage
1.8V
1.8V
2.5V
2.5V
2.7V
2.7V
2.8V
2.8V
2.85V
2.85V
3.0V
3.0V
3.2V
3.2V
3.3V
3.3V
Adjustable
Adjustable
Package
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
SC-70
Operating Temp. Range
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
- 40
o
C to + 85
o
C
Note: w represents date code ( A thru Z ) : 2 work weeks per character.
ww represents date code
A line on top of the first letter represents lead free plating such as AWA
Please consult AME sales office or authorized Rep./Distributor for other output voltage and package type availability.
5
TI Technology Forum
京公网安备 11010802033920号
EEWORLD
