AME AME8805GEFT 600ma cmos ldo Datasheet

AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n General Description
The AME8805/8810 family of positive, linear regulators
feature low quiescent current (30µA typ.) with low dropout voltage, making them ideal for battery applications.
The space-saving SOT-89 and SOT-223 packages are
attractive for "Pocket" and "Hand Held" applications.
n Functional Block Diagram
IN
OUT
Overcurrent
Shutdown
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under the
"Worst" of operating conditions.
R1
Thermal
Shutdown
The AME8805/8810 is stable with an output capacitance of 2.2µF or greater.
AMP
Vref=1.215V
R2
n Features
l
l
l
l
l
l
l
Very Low Dropout Voltage
Guaranteed 600mA Output
Accurate to within 1.5%
30µA Quiescent Current
Over-Temperature Shutdown
Current Limiting
Short Circuit Current Fold-back
GND
n Typical Application
l Space-Saving SOT-89, SOT-223
l Factory Pre-set Output Voltages
l Low Temperature Coefficient
IN
IN
AME8805
OUT
AME8810
OUT
GND
5V
C1
C2
1µ
µF
2.2µ
µF
n Applications
l Instrumentation
l Portable Electronics
l
l
l
l
l
Wireless Devices
Cordless Phones
PC Peripherals
Battery Powered Widgets
Electronic Scales
1
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Pin Configuration
SOT-89
Top View
AME8805
1
2
SOT-223
Top View
AME8805
1. GND
2. VIN
3. VOUT
AME8805
1. VIN
AME8805
3
1
SOT-223
Top View
AME8810
1
2
2
3
AME8810
1. GND
2. VOUT
3. VIN
2
3
2. GND
3. VOUT
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Ordering Information
AME8805 x x x x x
AME8810 x x x x x
Special Feature
Number of Pins
Package Type
Operating Temperature Range
Product Grade or Option
Product
Grade
or Option
A:
B:
C:
D:
E:
F:
G:
H:
I:
J:
K:
L:
M:
N:
O:
Y:
1:
2:
3.3V
3.0V
2.8V
2.5V
3.8V
3.6V
3.5V
2.7V
3.4V
2.85V
3.7V
1.5V
1.8V
2.9V
3.1V
1.9V
1.3V
2.0V
Operating
Temperature Range
E: -40OC to 85OC
Package Type
F: SOT-89
G: SOT-223
Number of
Pins
T: 3
Special Feature
Z: Lead Free
3
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Ordering Information
Part Number
Output Voltage
Package
Operating Temp. Range
3.3V
SOT-89
- 40oC to + 85oC
3.3V
SOT-89
- 40oC to + 85oC
3.0V
SOT-89
- 40oC to + 85oC
2.8V
SOT-89
- 40oC to + 85oC
2.5V
SOT-89
- 40oC to + 85oC
2.5V
SOT-89
- 40oC to + 85oC
3.8V
SOT-89
- 40oC to + 85oC
3.6V
SOT-89
- 40oC to + 85oC
3.5V
SOT-89
- 40oC to + 85oC
2.7V
SOT-89
- 40oC to + 85oC
3.4V
SOT-89
- 40oC to + 85oC
2.85V
SOT-89
- 40oC to + 85oC
3.7V
SOT-89
- 40oC to + 85oC
1.5V
SOT-89
- 40oC to + 85oC
1.8V
SOT-89
- 40oC to + 85oC
1.8V
SOT-89
- 40oC to + 85oC
2.9V
SOT-89
- 40oC to + 85oC
3.1V
SOT-89
- 40oC to + 85oC
1.9V
SOT-89
- 40oC to + 85oC
2.0V
SOT-89
- 40oC to + 85oC
3.3V
SOT-223
- 40oC to + 85oC
AME8805AEGT
A8805
AEFww
A8805
AEFww
A8805
BEFww
A8805
CEFww
A8805
DEFww
A8805
DEFww
A8805
EEFww
A8805
FEFww
A8805
GEFww
A8805
HEFww
A8805
IEFww
A8805
JEFww
A8805
KEFww
A8805
LEFww
A8805
MEFww
A8805
MEFww
A8805
NEFww
A8805
OEFww
A8805
YEFww
A8805
2EFww
ADByww
AME8805AEGTZ
ADByww
3.3V
SOT-223
- 40oC to + 85oC
AME8805BEGT
ADCyww
3.0V
SOT-223
- 40oC to + 85oC
AME8805CEGT
ADDyww
2.8V
SOT-223
- 40oC to + 85oC
AME8805AEFT
AME8805AEFTZ
AME8805BEFT
AME8805CEFT
AME8805DEFT
AME8805DEFTZ
AME8805EEFT
AME8805FEFT
AME8805GEFT
AME8805HEFT
AME8805IEFT
AME8805JEFT
AME8805KEFT
AME8805LEFT
AME8805MEFT
AME8805MEFTZ
AME8805NEFT
AME8805OEFT
AME8805YEFT
AME88052EFT
4
Marking
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Ordering Information (contd.)
Part Number
Marking
Output Voltage
Package
Operating Temp. Range
AME8805DEGT
ADEyww
2.5V
SOT-223
- 40oC to + 85oC
AME8805DEGTZ
ADEyww
2.5V
SOT-223
- 40oC to + 85oC
AME8805EEGT
ADFyww
3.8V
SOT-223
- 40oC to + 85oC
AME8805FEGT
ADGyww
3.6V
SOT-223
- 40oC to + 85oC
AME8805GEGT
ADHyww
3.5V
SOT-223
- 40oC to + 85oC
AME8805HEGT
AEJyww
2.7V
SOT-223
- 40oC to + 85oC
AME8805IEGT
AERyww
3.4V
SOT-223
- 40oC to + 85oC
AME8805JEGT
AGTyww
2.85V
SOT-223
- 40oC to + 85oC
AME8805KEGT
AHVyww
3.7V
SOT-223
- 40oC to + 85oC
AME8805MEGT
AJJyww
1.8V
SOT-223
- 40oC to + 85oC
AME8805NEGT
AKSyww
2.9V
SOT-223
- 40oC to + 85oC
AME8805OEGT
AKTyww
3.1V
SOT-223
- 40oC to + 85oC
AME88051EGT
AWLww
1.3V
SOT-223
- 40oC to + 85oC
AME8810AEGT
ADIyww
3.3V
SOT-223
- 40oC to + 85oC
AME8810AEGTZ
ADIyww
3.3V
SOT-223
- 40oC to + 85oC
AME8810BEGT
ADJyww
3.0V
SOT-223
- 40oC to + 85oC
AME8810BEGTZ
ADJyww
3.0V
SOT-223
- 40oC to + 85oC
AME8810CEGT
ADKyww
2.8V
SOT-223
- 40oC to + 85oC
AME8810DEGT
ADLyww
2.5V
SOT-223
- 40oC to + 85oC
AME8810EEGT
ADMyww
3.8V
SOT-223
- 40oC to + 85oC
AME8810FEGT
ADNyww
3.6V
SOT-223
- 40oC to + 85oC
AME8810GEGT
ADOyww
3.5V
SOT-223
- 40oC to + 85oC
AME8810HEGT
AEKyww
2.7V
SOT-223
- 40oC to + 85oC
AME8810IEGT
AESyww
3.4V
SOT-223
- 40oC to + 85oC
AME8810JEGT
AGVyww
2.85V
SOT-223
- 40oC to + 85oC
AME8810KEGT
AHXyww
3.7V
SOT-223
- 40oC to + 85oC
AME8810LEGT
AJFyww
1.5V
SOT-223
- 40oC to + 85oC
AME8810MEGT
AJGyww
1.8V
SOT-223
- 40oC to + 85oC
AME8810NEGT
AKWyww
2.9V
SOT-223
- 40oC to + 85oC
AME8810OEGT
AKXyww
3.1V
SOT-223
- 40oC to + 85oC
Please consult AME sales office or authorized Rep./Distributor for other output voltage and package type availability.
5
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Absolute Maximum Ratings
Parameter
Maximum
Unit
Input Voltage
8
V
Output Current
1
A
GND - 0.3 to VIN + 0.3
V
Input, Output Voltage
ESD Classification
B
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device
n Recommended Operating Conditions
Parameter
Supply Voltage
Ambient Temperature Range
Junction Temperature
Rating
Unit
4.5 to 5.5
V
- 40 to + 85
o
- 40 to + 125
o
C
C
n Thermal Information
Parameter
Maximum
SOT-89
180
Thermal Resistance (θja)
o
C/W
SOT-223
160
SOT-89
18
Thermal Resistance (θjc )
Internal Power Dissipation (PD )
(∆ T = 100oC, No Heat Sink)
Internal Power Dissipation (PD )
(∆ T = 100oC, With Heat Sink)
o
C/W
SOT-223
15
SOT-89
550
SOT-223
625
SOT-89
2750*
mW
mW
SOT-223
3300*
Maximum Junction Temperature
150
o
C
Maximum Lead Temperature (10 Sec)
300
o
C
* Using twice the θjc for this calculation.
6
Unit
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Electrical Specifications
TA = 25OC unless otherwise noted
Parameter
Symbol
Input Voltage
VIN
Output Voltage Accuracy
VO
Test Condition
IO=1mA
Min
Typ Max
Note 1
7
V
-1.5
1.5
%
1.3V<=VO(NOM)<=1.4V
Dropout Voltage
V DROPOUT
IO=600mA
1.4V<VO(NOM)<=2.0V
VO=VO(NOM)-2.0%
2.0V<VO(NOM)<=2.8V
Units
1900
See 1400
chart 800
2.8V<VO(NOM)
mV
600
IO
V O>1.2V
600
Current Limit
ILIM
V O>1.2V
600
Short Circuit Current
ISC
V O<0.8V
300
600
mA
Quiescent Current
IQ
IO=0mA
30
50
µA
Ground Pin Current
IGND
IO=1mA to 600mA
35
Output Current
Line Regulation
Load Regulation
Over Temperature Shutdown
Over Temperature Hysterisis
V O Temperature Coefficient
Power Supply Rejection
Output Voltage Noise
REGLINE
REGLOAD
mA
800
mA
µA
1.3V <= VO <= 1.4V
-0.2
0.2
IO=1mA
1.4V < VO <= 2.0V
-0.15
0.15
V IN =VO+1 to VO+2
2.0V < VO < 4.0V
-0.1
0.02
0.1
V O >= 4.0V
-0.4
0.2
0.4
0.2
1
IO=1mA to 600mA
%
%
150
o
OTH
30
o
TC
30
OTS
PSRR
eN
IO=100mA
CO=2.2µF
f=10Hz to 100kHz
IO=10mA,CBY P=0µF
f=1kHz
50
f=10kHz
20
f=100kHz
15
Co=2.2µF
30
C
C
ppm/ oC
dB
µVrms
Note1: VIN(MIN)=VOUT+VDROPOUT
Note2: To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be
applied before a current source load is applied.
7
AME, Inc.
AME8805 / 8810
600mA CMOS LDO
n Detailed Description
n External Capacitors
The AME8805/8810 family of CMOS regulators contain a PMOS pass transistor, voltage reference, error amplifier, over-current protection, and thermal shutdown.
The AME8805/8810 is stable with an output capacitor
to ground of 2.2µF or greater. Ceramic capacitors have
the lowest ESR, and will offer the best AC performance.
Conversely, Aluminum Electrolytic capacitors exhibit the
highest ESR, resulting in the poorest AC response. Unfortunately, large value ceramic capacitors are comparatively expensive. One option is to parallel a 0.1µF ceramic capacitor with a 10µF Aluminum Electrolytic. The
benefit is low ESR, high capacitance, and low overall
cost.
The P-channel pass transistor receives data from the
error amplifier, over-current shutdown, and thermal protection circuits. During normal operation, the error amplifier compares the output voltage to a precision reference. Over-current and Thermal shutdown circuits become active when the junction temperature exceeds
150oC, or the current exceeds 600mA. During thermal
shutdown, the output voltage remains low. Normal operation is restored when the junction temperature drops
below 120oC.
The AME8805/8810 switches from voltage mode to current mode when the load exceeds the rated output current. This prevents over-stress. The AME8805/8810 also
incorporates current foldback to reduce power dissipation when the output is short circuited. This feature becomes active when the output drops below 0.8 volts, and
reduces the current flow by 65%. Full current is restored
when the voltage exceeds 0.8 volts.
8
A second capacitor is recommended between the input and ground to stabilize Vin. The input capacitor should
be at least 0.1µF to have a beneficial effect.
All capacitors should be placed in close proximity to
the pins. A "Quiet" ground termination is desirable. This
can be achieved with a "Star" connection.
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
Ground Current vs. Input Voltage
Load Step (1mA-600mA)
VO (5mV/DIV)
45
Ground Current (µ
µ A)
40
O
85 C
35
30
25
O utput
C L =2.2µF
C IN =2.2µF
O
25 C
IL(200mA/DIV)
20
15
10
5
I Load
0
0
0
1
2
3
4
5
6
7
8
TIM E( 20m S/DIV)
Input Voltage (V)
Drop Out Voltage vs. Output Voltage
Power Supply Rejection Ratio
0
-1 0
1000
ILOAD=600mA
800
600
400
-3 0
-4 0
-5 0
10m A
100m A
-6 0
200
-7 0
100 µ A
100 µA
1m A
-8 0
0
1
2
3
4
5
6
10
Output Voltage (V)
S O T -89
H eat S ink
VIN(1V/DIV)
S O T -223
F ree A ir
S O T -89
F ree A ir
100K
10M
Line Transient Response
S O T -223
H eat S ink
600
1K
Frequency (Hz)
Safe Operating Area
100
V IN D C =5.0V
C L =2.2µF
VO(1mV/DIV)
Output Current (mA)
100m A
C L =2.2µF T antalum
C B Y P =0
-2 0
PSRR (dB)
Drop Out Voltage (mV)
1200
10
0 .1
1 .0
Input O utput Votage Differential (V)
8 .0
TIM E (2m S/DIV)
9
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
Overtemperature Shutdown
OUT
0
R L O A D =6.6 Ω
I
C L =2.2µF
N o Filter
VOUT (1V/DIV)
Vo (1mV DIV)
(200mA/DIV)
Noise Measurement
0
TIM E (20m s/DIV)
TIM E (0.5Sec/DIV)
C L O A D =2.2µF
C IN =1µF
R L O A D <100m Ω
VOUT (1V/DIV)
VOUT (1V/DIV)
IOUT (200mA/DIV)
C L O A D =2.2µF
C IN =1.0µF
R L O A D =3.3Ω
V O U T N O M =3.3V
TIM E (2m S/DIV)
10
Short Circuit Response
IOUT (200mV/DIV)
Current Limit Response
TIM E (2m S/DIV)
AME, Inc.
600mA CMOS LDO
AME8805 / 8810
n Package Dimension
SOT-223
Top View
Side View
SYMBOLS
D
B1
c
£
C
13o(4X)
H
E
e
MILLIMETERS
MIN
MAX
MIN
MAX
A1
0.02
0.10
0.0008
0.0039
B
0.60
0.84
0.0236
0.0330
B1
2.90
3.15
0.1140
0.1240
C
0.24
0.38
0.0094
0.0150
D
6.30
6.71
0.2480
0.2640
E
3.30
3.71
0.1299
0.1460
2.30 BSC
e
Front View
13o(4X)
F
A1
0.0906 BSC
F
1.40
1.80
0.0560
0.0702
H
6.70
7.30
0.2638
0.2874
è
B
INCHES
0
o
10
o
0
o
10 o
SOT-89
Side View
Top View
SYMBOLS
D
D1
H
POLISH
A
A1
E
A1
e
Front View
MIN
MAX
1.39
1.60
0.8REF
INCHES
MIN
MAX
0.05472 0.06299
0.0315REF
C
0.35
0.44
0.01378 0.01732
D
4.39
4.60
0.17283
D1
1.35
1.83
0.05315 0.07205
E
2.28
3.60
0.08976 0.14173
C
S1
MILLIMETERS
0.1811
e
3.00REF
0.1181REF
H
0.70REF
0.0276REF
S1
1.50REF
0.0590REF
MATTE FINISH
A
POLISH
11
www.ame.com.tw
E-Mail: [email protected]
Life Support Policy:
These products of AME, Inc. are not authorized for use as critical components in life-support
devices or systems, without the express written approval of the president
of AME, Inc.
AME, Inc. reserves the right to make changes in the circuitry and specifications of its devices and
advises its customers to obtain the latest version of relevant information.
 AME, Inc. , December 2003
Document: 2006-DS8805/8810-K
Corporate Headquarter
U.S.A. (Subsidiary)
AME, Inc.
Analog Microelectronics, Inc.
2F, 189 Kang-Chien Road, Nei-Hu District
Taipei 114, Taiwan, R.O.C.
3100 De La Cruz Blvd., Suite 201
Santa Clara, CA. 95054-2046
Tel : 886 2 2627-8687
Fax: 886 2 2659-2989
Tel: (408) 988-2388
Fax: (408) 988-2489
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