AME8800MEAT [AME]
300mA CMOS LDO; 300毫安CMOS LDO
| 型号： | AME8800MEAT |
| 厂家： | 
ANALOG MICROELECTRONICS |
| 描述： | 300mA CMOS LDO |
| 文件： | 总20页 (文件大小：135K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n General Description
n Features
The AME8800/8811 family of positive, linear regula-
tors feature low quiescent current (30µA typ.) with low
dropout voltage, making them ideal for battery applica-
tions. The space-saving SOT-23, SOT-25, SOT-89 and
TO-92 packages are attractive for "Pocket" and "Hand
Held" aplications.
l Very Low Dropout Voltage
l Guaranteed 300mA Output
l Accurate to within 1.5%
l 30µA Quiescent Current
l Over-Temperature Shutdown
l Current Limiting
These rugged devices have both Thermal Shutdown,
and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.
l Short Circuit Current Fold-back
l Space-Saving SOT-23, SOT-25, SOT-89 and
TO-92 Package
The AME8800/8811 is stable with an output capacitance
of 2.2µF or greater.
l Factory Pre-set Output Voltages
l Low Temperature Coefficient
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
n Functional Block Diagram
IN
OUT
l Battery Powered Widgets
l Electronic Scales
Overcurrent
Shutdown
R1
Thermal
Shutdown
n Typical Application
AME8800
OUT
IN
AMP
IN
AME8811 OUT
GND
C2
C1
5V
µ
1 F
2.2µF
Vref=1.215V
R2
GND
1
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
n Pin Configuration
TO-92
Front View
AME8800
1. GND
AME8811
1. V
OUT
2. V
3. V
2. GND
3. V
IN
OUT
IN
1
2
3
SOT-23
SOT-25
SOT-89
Top View
Top View
Top View
3
5
4
1
2
1
2
3
1
2
3
1. GND
1. GND
4. NC
5. NC
AME8800
1. GND
AME8811
2. V
3. V
OUT
IN
2. V
3. V
IN
1. V
OUT
OUT
2. V
3. V
2. GND
3. V
IN
OUT
IN
2
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n Ordering Information (contd.)
Part Number Marking Output Package Operating Temp.
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8800AEET AAAww
AME8800BEET AABww
AME8800CEET AACww
AME8800DEET AADww
AME8800EEET AAEww
AME8800FEET ABNww
AME8800GEET ACDww
AME8800HEET AEDww
AME8800IEET AELww
3.3V
3.0V
2.8V
2.5V
3.8V
3.6V
3.5V
2.7V
3.4V
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-23
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
AME8800JEET AGNww 2.85V
AME8800KEET AHPww
AME8800LEET AJW ww
AME8800MEET AJXww
AME8800NEET AKGww
AME8800OEET AKHww
AME8800AEEV ABRww
AME8800BEEV ABSww
AME8800CEEV ABTww
AME8800DEEV ABUww
AME8800EEEV ABVww
AME8800FEEV ABW ww
AME8800GEEV ACEww
AME8800HEEV AEEww
3.7V
1.5V
1.8V
2.9V
3.1V
3.3V
3.0V
2.8V
2.5V
3.8V
3.6V
3.5V
2.7V
3
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
n Ordering Information (contd.)
Part Number Marking Output Package Operating Tem p.
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8800IEEV AEMww
3.4V
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
SOT-25
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
AME8800JEEV AGOww 2.85V
AME8800KEEV AHQww
AME8800LEEV AJUww
AME8800MEEV AJVww
AME8800NEEV AKIww
AME8800OEEV AKJww
3.7V
1.5V
1.8V
2.9V
3.1V
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
5.0V
A8800
AME8800AEFT
AEFww
A8800
AME8800BEFT
BEFww
A8800
AME8800CEFT
CEFww
A8800
AME8800DEFT
DEFww
A8800
AME8800EEFT
EEFww
A8800
AME8800FEFT
FEFww
A8800
AME8800GEFT
GEFww
A8800
AME8800HEFT
HEFww
A8800
AME8800IEFT
IEFww
A8800
AME8800JEFT
JEFww
A8800
AME8800KEFT
KEFww
A8800
AME8800LEFT
LEFww
A8800
AME8800MEFT
MEFww
A8800
AME8800NEFT
NEFww
A8800
AME8800OEFT
OEFww
A8800
AME8800SEFT
SEFww
4
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n Ordering Information (contd.)
Part Number Marking Output Package Operating Temp.
AME
8800
AEAT
yyww
AME
8800
BEAT
yyww
AME
8800
CEAT
yyww
AME
8800
DEAT
yyww
AME
8800
EEAT
yyww
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8800AEAT
AME8800BEAT
AME8800CEAT
AME8800DEAT
AME8800EEAT
AME8800FEAT
AME8800GEAT
AME8800HEAT
3.3V
3.0V
2.8V
2.5V
3.8V
3.6V
3.5V
2.7V
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
AME
8800
FEAT
yyww
AME
8800
GEAT
yyww
AME
8800
HEAT
yyww
5
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
n Ordering Information (contd.)
Part Number Marking Output Package Operating Temp.
AME
8800
IEAT
yyww
AME
8800
JEAT
yyww
AME
8800
KEAT
yyww
AME
8800
LEAT
yyww
AME
8800
MEAT
yyww
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8800IEAT
AME8800JEAT
AME8800KEAT
AME8800LEAT
3.4V
2.85V
3.7V
TO-92
TO-92
TO-92
TO-92
1.5V
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8800MEAT
AME8800NEAT
AME8800OEAT
1.8V
2.9V
3.1V
TO-92
TO-92
TO-92
AME
8800
NEAT
yyww
AME
8800
OEAT
yyww
6
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n Ordering Information (contd.)
Part Number Marking Output Package Operating Temp.
AME
8811
AEAT
yyww
AME
8811
BEAT
yyww
AME
8811
CEAT
yyww
AME
8811
DEAT
yyww
AME
8811
EEAT
yyww
AME
8811
FEAT
yyww
AME
8811
GEAT
yyww
AME
8811
HEAT
yyww
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8811AEAT
AME8811BEAT
AME8811CEAT
AME8811DEAT
AME8811EEAT
AME8811FEAT
AME8811GEAT
AME8811HEAT
3.3V
3.0V
2.8V
2.5V
3.8V
3.6V
3.5V
2.7V
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
7
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
n Ordering Information (contd.)
Part Number Marking Output Package Operating Temp.
AME
8811
IEAT
yyww
AME
8811
JEAT
yyww
AME
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8811IEAT
AME8811JEAT
AME8811KEAT
AME8811LEAT
AME8811MEAT
AME8811NEAT
AME8811OEAT
3.4V
2.85V
3.7V
1.5V
1.8V
2.9V
3.1V
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
TO-92
8811
KEAT
yyww
AME
8811
LEAT
yyww
AME
8811
MEAT
yyww
AME
8811
NEAT
yyww
AME
8811
OEAT
yyww
8
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n Ordering Information
Part Number Marking Output Package Operating Temp.
A8811
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
-40OC to +85OC
AME8811AEFT
AME8811BEFT
AME8811CEFT
AME8811DEFT
AME8811EEFT
AME8811FEFT
AME8811GEFT
AME8811HEFT
AME8811IEFT
AME8811JEFT
AME8811KEFT
AME8811LEFT
AME8811MEFT
AME8811NEFT
AME8811OEFT
3.3V
3.0V
2.8V
2.5V
3.8V
3.6V
3.5V
2.7V
3.4V
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
AEFww
A8811
BEFww
A8811
CEFww
A8811
DEFww
A8811
EEFww
A8811
FEFww
A8811
GEFww
A8811
HEFww
A8811
IEFww
A8811
JEFww
A8811
KEFww
A8811
LEFww
A8811
MEFww
A8811
NEFww
A8811
OEFww
2.85V SOT-89
3.7V
1.5V
1.8V
2.9V
3.1V
SOT-89
SOT-89
SOT-89
SOT-89
SOT-89
Please consult AME sales office or authorized Rep./Distributor for other output voltage and package typeavailability.
9
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
Absolute Maximum Ratings:
n
Parameter
Maximum
Unit
Input Voltage
8
PD / (VIN - VO)
GND - 0.3 to VIN + 0.3
B
V
mA
V
Output Current
Output Voltage
ESD Classification
Recommended Operating Conditions:
n
Parameter
Rating
-40 to +85
-40 to +125
Unit
oC
Ambient Temperature Range
oC
Junction Temperature
Caution: Stress above the listed absolute rating may cause permanent damage to the device
10
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
Thermal Information
n
Parameter
Maximum
110
81
Unit
SOT-23
SOT-25
SOT-89
TO-92
Thermal Resistance ( )
θjc
oC / W
38
80
SOT-23
SOT-25
SOT-89
TO-92
325
260
180
180
300
380
550
2750*
625
150
300
Thermal Resistance ( )
θja
oC / W
SOT-23
SOT-25
SOT-89
SOT-89
TO-92
Internal Power Dissipation (PD)
mW
( T = 100oC)
∆
oC
oC
Maximum Junction Temperature
Maximum Lead Temperature ( 10 Sec)
* With heat sink capable of twice times the
θjc
Caution: Stress above the listed absolute rating may cause permanent damage to the device
11
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
n Electrical Specifications
TA = 25o C unless otherwise noted
Test Condition
Parameter
Input Voltage
Symbol
VIN
Min
Note 1
-1.5
Typ Max Units
7
V
Output Voltage Accuracy
VO
IO=1mA
1.5
%
1.4V<VO(NOM)<=2.0V
1300
400
300
IO=300mA
See
chart
Dropout Voltage
VDROPOUT
2.0V<VO(NOM)<=2.8V
2.8V<VO(NOM)
mV
VO=VONOM -2.0%
Output Current
IO
ILIM
ISC
IQ
VO>1.2V
300
300
mA
mA
mA
Current Limit
VO>1.2V
VO<0.8V
450
150
30
Short Circuit Current
Quiescent Current
Ground Pin Current
300
50
IO=0mA
A
µ
IGND
IO=1mA to 300mA
35
A
µ
VO < 2.0V
-0.15
0.15
0.1
0.4
1
IO=1mA
VIN=VO+1 to
VO+2
Line Regulation
REGLINE
2.0V<=VO < 4.0V
4.0V <= Vo
-0.1 0.02
%
-0.4
-1
0.2
0.2
150
30
Load Regulation
REGLOAD
OTS
IO=1mA to 300mA
%
oC
oC
ppm/oC
Over Temerature Shutdown
Over Temerature Hysterisis
VO Temperature Coefficient
OTH
TC
30
f=1kHz
f=10kHz
f=100kHz
50
IO=100mA
Power Supply Rejection
PSRR
20
dB
C =2.2 F
µ
O
15
f=10Hz to 100kHz
IO=10mA
Output Voltage Noise
eN
Co=2.2 F
30
Vrms
µ
µ
Note1:VIN(min)=VOUT+VDROPOUT
12
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n Detailed Description
n External Capacitors
The AME8800/8811 family of CMOS regulators con-
tain a PMOS pass transistor, voltage reference, error
amplifier, over-current protection, and thermal shut-
down.
The AME8800/8811 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 com-
paratively expensive. One option is to parallel a 0.1uF
ceramic capacitor with a 10uF Aluminum Electrolytic.
The benefit is low ESR, high capacitance, and low over-
all cost.
The P-channel pass transistor receives data from the
error amplifier, over-current shutdown, and thermal pro-
tection circuits. During normal operation, the error am-
plifier compares the output voltage to a precision refer-
ence. Over-current and Thermal shutdown circuits be-
come active when the junction temperature exceeds
o
150 C, or the current exceeds 300mA. During thermal
A second capacitor is recommended between the input
shutdown, the output voltage remains low. Normal op-
eration is restored when the junction temperature drops
below 120 C.
and ground to stabilize V . The input capacitor should
be at least 0.1µF to have a beneficial effect.
IN
o
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.
The AME8800/8811 switches from voltage mode to cur-
rent mode when the load exceeds the rated output cur-
rent. This prevents over-stress. The AME8800/8811
also incorporates current foldback to reduce power dis-
sipation 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.
13
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
Load Step ( 1mA-300mA)
Ground Current vs. Input Voltage
45
40
35
30
25
20
15
10
5
CL=2.2
µF
Output
C
IN=2.2µF
85O
C
25O
C
ILoad
0
0
0
1
2
3
4
5
6
7
8
TIME( 20mS/DIV)
Input Voltage (V)
Drop Out Voltage vs Output Voltage
Drop Out Voltage vs Load Current
250
200
150
100
50
300
250
200
150
100
50
Top to bottom
V
O U T =2.5V
VO U T =2.8V
V
V
V
V
O U T =3.0V
O U T =3.3V
O U T =3.5V
O U T =3.8V
IL O A D =300mA
IL O A D =200mA
IL O A D =100mA
0
0
2.5
2.75
3
3.25
3.5
3.75
4
0
50
100
150
200
250
300
Load Current (mA)
Output Voltage (V)
Short Circuit Response
Power Supply Rejection Ratio
0
-10
-20
-30
-40
-50
-60
-70
-80
RL O A D =100
RS H O R T =0.1
Ω
Ω
100mA
CL=2.2
µ
BYP =0
F Tantalum
C
0
0
10mA
100mA
1mA
100 A
µ
100µA
TIME (2mS/DIV)
1.0E+01
1.0E+03
1.0E+05
1.0E+07
Frequency (Hz)
14
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
Overtemperature Shutdown
Current Limit Response
RL O A D =3.3
Ω
0
0
0
0
RL O A D =6.6
Ω
TIME (2mS/DIV)
TIME (0.5Sec/DIV)
Transient Line Response
Noise Measurement
VIN DC = 5.0V
CL = 2.2µF
NO FILTER
CL = 2.2µF
TIME (2mS/DIV)
TIME (20mS/DIV)
Safe Operating Area
75OC rise
SOT-223
DPAK-2
With HS capable of twice θjc
Input-Output Voltage Differential (V)
15
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
Stability vs. ESR vs ILOAD
Stability vs. ESR vs ILOAD
10000
1000
100
10
10000
1000
100
10
Unstable Region
Unstable Region
CL=1 F
µ
CL=2 F
µ
Stable Region
Stable Region
1
1
0.1
0.1
Untested Region
Untested Region
0.01
0.01
0
50
100
150
200
0
50
100
150
200
ILOAD (mA)
ILOAD (mA)
Stability vs. ESR vs ILOAD
Stability vs. ESR vs ILOAD
10000
1000
100
10
10000
1000
100
10
Unstable Region
Unstable Region
CL=10
µ
F
CL=3 F
µ
Stable Region
Stable Region
1
0.1
1
0.01
0.001
0.1
Untested Region
Untested Region
0.01
0
50
100
150
200
0
50
100
150
200
ILOAD (mA)
ILOAD (mA)
16
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
Quiescent Current vs. Temp.
Dropout Voltage vs. Temp.
220
210
200
190
180
170
160
150
35
34
33
32
31
30
29
28
27
VOUT=3V
-45
-5
25
55
85
-45
-5
25
55
85
Temperature (0C)
Temperature (0C)
Load Regulation vs. Temp.
0.58
0.56
0.54
0.52
0.50
0.48
0.46
0.44
0.42
0.40
-45
-5
25
55
85
Temperature (0C)
17
AME, Inc.
300mA CMOS LDO
AME8800 / 8811
n Package Dimension
SOT-23
MILLIMETERS
INCHES
SYMBOLS
MIN
1.00
0.00
0.70
0.35
0.09
2.70
1.40
MAX
MIN
MAX
A
A1
A2
b
1.40
0.15
1.25
0.50
0.25
3.10
1.80
0.0394
0.0000
0.0276
0.0138
0.0035
0.1063
0.0551
0.0551
0.0059
0.0492
0.0197
0.0098
0.1220
0.0709
C
D
E
1.90 BSC
0.0748 BSC
e
H
2.60
0.35
0o
3.00
0.55
9o
0.1024
0.0138
0o
0.1181
0.0197
9o
L
θ1
R
0.95(TYP)
0.0374(TYP)
SOT-25
MILLIMETERS
INCHES
MIN
SYMBOLS
MIN
1.00
0.00
0.70
0.35
0.08
2.70
1.40
MAX
1.45
0.15
1.25
0.55
0.25
3.10
1.80
MAX
0.0571
0.0591
0.0492
0.0217
0.0098
0.1220
0.0709
A
A1
A2
b
0.0394
0.0000
0.0276
0.0138
0.0031
0.1063
0.0551
C
D
E
e
1.90 BSC
0.07480 BSC
H
L
2.60
0.30
0°
3.00
0.1024
0.1181
-
10°
0.0118
0°
-
10°
θ1
S1
0.85
1.05
0.0335
0.0413
18
AME, Inc.
AME8800 / 8811
300mA CMOS LDO
n Package Dimension
SOT-89
MILLIMETERS
INCHES
SYMBOLS
MIN
MAX
1.60
-
MIN
MAX
0.0630
-
A
A1
b
1.40
0.89
0.36
0.41
0.35
4.40
1.35
-
0.0551
0.0350
0.0142
0.0161
0.0138
0.1732
0.0531
-
0.52
0.56
0.44
4.60
1.83
4.25
2.60
3.10
0.70
0.0205
0.0220
0.0173
0.1811
0.0720
0.1673
0.1024
0.1220
0.0276
0.0630
b1
C
D
D1
HE
E
2.29
2.90
0.35
0.0902
0.1142
0.0138
0.0551
e
H
S1
1.40
1.60
TO-92
MILLIMETERS
INCHES
SYMBOLS
MIN
4.32
0.36
3.30
2.41
1.14
12.70
2.16
1.14
0.41
4.45
MAX
4.95
0.51
3.94
2.67
1.40
15.49
2.41
1.52
0.56
4.95
MIN
0.170
0.014
0.130
0.095
0.045
0.500
0.085
0.045
0.016
0.175
MAX
0.195
0.020
0.155
0.105
0.055
0.610
0.095
0.060
0.022
0.195
A
b
E
e
e1
L
R
S1
W
D
4°
6°
4°
6°
a
NOTE:
1. PACKAGE OUTLINE EXCLUSIVE OF ANY MOLD FLASHES
DIMENSION
2. PACKAGE OUTLINE EXCLUSIVE OF BURR DIMENSION
19
www.ame.com.tw
E-Mail: info@ame.com.tw
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. , January 2002
Document: 2006-DS8800/8811-F
U.S. Headquarter
Corporate Headquarter
AME, Inc.
2F, 189 Kang-Chien Road, Nei-Hu District
Taipei 114, Taiwan, R.O.C.
Tel : 886 2 2627-8687
Analog Microelectronics, Inc.
3100 De La Cruz Blvd. Suite 201
Santa Clara, CA. 95054-2046
Tel : (408) 988-2388
Fax: (408) 988-2489
Fax: 886 2 2659-2989
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