AME, Inc.
AME8847
n General Description
The AME8847 of positive, linear regulators feature low quiescent current (30µA typ.) with low dropout voltage, making them ideal for battery applications. The spacesaving SOT-223 & SOT-89 packages are attractive for "Pocket" and "Hand Held" applications. These rugged devices have both thermal shutdown, and current fold-back to prevent device failure under the "Worst" operating conditions. The AME8847 is stable with an output capacitance of 2.2µF or greater.
800mA CMOS LDO
n Functional Block Diagram
IN OUT
Overcurrent Shutdown
Thermal Shutdown
R1
AMP
n Features
l Very Low Dropout Voltage l Guaranteed 800mA Output l Accurate to within +1.5% l 30µA Quiescent Current l Over-Temperature Shutdown l Current Limiting l Short Circuit Current Fold-back l Space-Saving SOT-223 & SOT-89 Packages l Factory Pre-set Output Voltages l Low Temperature Coefficient l All AME's Lead Free Products Meet RoHS Standards
IN
Vref=1.215V
R2 GND
n Typical Application
AME8847 OUT
GND
OUT
IN
C1 5V 1µ F
C2 2.2µF
n Applications
l Instrumentation l Portable Electronics l W ireless Devices l Cordless Phones l PC Peripherals l Battery Powered Widgets
Rev.A.01
1
AME, Inc.
AME8847
n Pin Configuration
SOT-223 Top View AME8847AEGT 1. GND 2. OUT (TAB) 3. IN * Die Attach: Non-Conductive Epoxy SOT-89 Top View AME8847AEFT 1. GND 2. IN (TAB) 3. OUT * Die Attach: Non-Conductive Epoxy
800mA CMOS LDO
AME8847
AME8847
1
2
3
1
2
3
n Ordering Information AME8847 x x x x xxx x
Special Feature Output Voltage Number of Pins Package Type Operating Ambient Temperature Range Pin Configuration
Pin Configuration A: 1. GND 2. IN 3. OUT A: 1. GND 2. OUT 3. IN
Operating Ambient Temperature Range E: -40OC to 85OC
Package Type F: SOT-89 G: SOT-223
Number of Pins T: 3
Output Voltage 180: V=1.8V 250: V=2.5V 330: V=3.3V
Special Feature Z: Lead Free
(SOT-89)
(SOT-223)
2
Rev.A.01
AME, Inc.
AME8847
n Ordering Information
Part Number
AME8847AEFT180Z AME8847AEGT180Z AME8847AEFT250Z AME8847AEGT250Z AME8847AEFT330Z AME8847AEGT330Z
800mA CMOS LDO
Marking*
A8847 A18ww BHIyww A8847 A25ww BHJyww A8847 A33ww BFWyww
Output Voltage
1.8V 1.8V 2.5V 2.5V 3.3V 3.3V
Package
SOT-89 SOT-223 SOT-89 SOT-223 SOT-89 SOT-223
Operating Ambient Temperature Range
- 40oC to 85oC - 40oC to 85oC - 40oC to 85oC - 40oC to 85oC - 40oC to 85oC - 40oC to 85oC
Note: ww & yww represents the date code pls refer to Date Code Rule on Package Dimension. * A line on top of the first letter represents lead free plating such as A8847 Please consult AME sales office or authorized Rep./Distributor for output voltage and package type availability.
Rev.A.01
3
AME, Inc.
AME8847
n Absolute Maximum Ratings
Parameter
Input Voltage Output Current Input, Output Voltage ESD Classification
800mA CMOS LDO
Maximum
8 1 GND - 0.3 to V IN + 0.3 B*
Unit
V A V
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device. *HBM B:2000V~3999V
n Recommended Operating Conditions
Parameter
Ambient Temperature Range Junction Temperature Range Storage Temperature Range
Symbol
TA TJ TSTG
Rating
- 40 to 85 - 40 to 125 - 65 to 150
Unit
o o o
C C C
n Thermal Information
Parameter
Thermal Resistance* (Junction to Case)
Package
SOT-89
Die Attach
Symbol
θJC
Maximum
46
Unit
o
C/W
SOT-223 SOT-89 SOT-223 SOT-89
31 180 θJA 135 550 PD mW 800 350
o o
Thermal Resistance (Junction to Ambient)
Non-Conductive Epoxy
C/W
Internal Power Dissipation SOT-223 Solder Iron(10 Sec)**
C
* Measure θJC on backside center of tab. ** MIL-STD-202G 210F
4
Rev.A.01
AME, Inc.
AME8847
n Electrical Specifications
TA = 25OC unless otherwise noted
Parameter Input Voltage Output Voltage Accuracy Symbol VIN VOUT IOUT = 800mA VOUT = VOUT(NOM) - 2.0% IOUT = 1mA 1.8V
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