AME, Inc.
AME8807
600mA CMOS LDO
n
General Description
The AME8807 family of positive, linear regulators fea-
ture low ground current (30µA typ.) with low dropout volt-
age, making them ideal for battery applications. The
space-saving SO-8 package is 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" of operating conditions.
n
Functional Block Diagram
IN
OUT
Overcurrent
Shutdown
Thermal
Shutdown
EN
The AME8807 is stable with an output capacitance of
2.2µF or greater.
AMP
ADJ
n
Features
l
l
l
l
l
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Very Low Dropout Voltage
Guaranteed 600mA Output
Accurate to within 1.5%
Typical 30µA Ground Current
Over-Temperature Shutdown
Current Limiting
Short Circuit Current Fold-back
Power-Saving Shutdown Mode
Vref =1.215V
GND
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Typical Application
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Space-Saving SO-8 Package
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User Adjustable Output Voltages
l
Low Temperature Coefficient
IN
C1
5V
1µF
µ
EN
IN
OUT
OUT
C2
R1
100p
C3
2.2µF
µ
R2
AME8807
GND
ADJ
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Applications
l
l
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Instrumentation
Portable Electronics
Wireless Devices
Cordless Phones
PC Peripherals
Battery Powered Widgets
Electronic Scales
V
OUT
= 1.215 ( R1/R2 +1 )
C2 is unnecessary if R1 or R2 < 20 K Ohms
1
AME, Inc.
AME8807
600mA CMOS LDO
n
Ordering Information (contd.)
Part Number
AME8807AEHA
Marking
8807
AEHA
yyww
8807
AEHA
yyww
8807
BEHA
yyww
Output Voltage
Adjustable
Package
SO-8
Operating Temp. Range
- 40
o
C to + 85
o
C
AME8807AEHAZ
Adjustable
SO-8
- 40
o
C to + 85
o
C
AME8807BEHA
Adjustable
SO-8
- 40
o
C to + 85
o
C
Please consult AME sales office or authorized Rep./Distributor for other package type availability.
3
AME, Inc.
AME8807
600mA CMOS LDO
n
Absolute Maximum Ratings
Parameter
Input Voltage
Output Current
Output Voltage
ESD Classification
Maximum
8
P
D
/ (V
IN
- V
O
)
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
n
Recommended Operating Conditions
Parameter
Ambient Temperature Range
Junction Temperature
Rating
- 40 to + 85
- 40 to + 125
Unit
o
C
C
o
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Thermal Information
Parameter
8807AEHA
Thermal Resistance (
θ
ja
)
8807BEHA
8807AEHA
Internal Power Dissipation (P
D
)
(
∆
T = 100
o
C)
Maximum Junction Temperature
Maximum Lead Temperature (10 Sec)
8807BEHA
810
150
300
o
Maximum
124
Unit
o
C/W
124
810
mW
C
C
o
4
AME, Inc.
AME8807
600mA CMOS LDO
n
Electrical Specifications
TA = 25
O
C unless otherwise noted
Parameter
Input Voltage
Output Voltage Accuracy
Symbol
V
IN
V
O
I
O
=600mA
V
O
=V
O(NOM)
-2.0%
I
O
=1mA
1.5V<V
O(NOM)
<=2.0V
2.0V<V
O(NOM)
<=2.8V
2.8V<V
O(NOM)
Output Current
Current Limit
Short Circuit Current
Ground Pin Current
Line Regulation
Load Regulation
Over Temperature Shutdown
Over Temperature Hysterisis
V
O
Temperature Coefficient
I
O
I
LIM
I
SC
I
GND
REG
LINE
REG
LOAD
OTS
OTH
TC
f=1kHz
Power Supply Rejection
PSRR
I
O
=100mA
C
O
=2.2
µ
F
f=10Hz to 100kHz
I
O
=10mA
f=10kHz
f=100kHz
Co=2.2
µ
F
V
O
>1.2V
V
O
>1.2V
V
O
<0.8V
I
O
=1mA to 600mA
I
O
=1mA
V
IN
=V
O
+1 to V
O
+2
V
O
< 2.0V
V
O
>= 2.0V
0.02
0.2
150
30
30
50
20
15
30
1.203 1.215 1.227
V
IN
=2.7V to 7V
V
IN
=2.7V to 7V
V
EN
=V
IN
, V
IN
=2.7V to 7V
V
EN
=0V, V
IN
=2.7V to 7V
V
IN
=5V, V
O
=0V, V
EN
<V
EL
0.5
2.0
0
Vin
0.4
0.1
0.5
1
µ
Vrms
V
V
V
µ
A
µ
A
µ
A
dB
600
600
800
300
30
0.15
0.1
1
600
See
chart
Test Condition
Min
Note 1
-1.5
Typ
Max
7
1.5
1400
800
600
mA
mA
mA
µ
A
%
%
%
o
o
Units
V
%
Dropout Voltage
V
DROPOUT
mV
I
O
=1mA to 600mA
C
C
ppm/
o
C
Output Voltage Noise
ADJ Reference Voltage
EN Input Threshold
eN
V
REF
V
EH
V
EL
EN Input Bias Current
Shutdown Supply Current
I
EH
I
EL
I
SD
Note1:V
IN(min)
=V
OUT
+V
DROPOUT
5
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