ANALOGICTECH AME8807

AME, Inc.
AME8807
n General Description
600mA CMOS LDO
n Functional Block Diagram
The AME8807 family of positive, linear regulators feature low ground current (30µA typ.) with low dropout voltage, making them ideal for battery applications. The
space-saving SO-8 package is attractive for "Pocket" and
"Hand Held" applications.
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.
Thermal
Shutdown
EN
The AME8807 is stable with an output capacitance of
2.2µF or greater.
AMP
ADJ
n Features
Vref =1.215V
GND
l Very Low Dropout Voltage
l Guaranteed 600mA Output
l Typical 30µA Ground Current
l Accurate to within 1.5%
l Over-Temperature Shutdown
n Typical Application
l Current Limiting
l Short Circuit Current Fold-back
l Power-Saving Shutdown Mode
EN
IN
IN
l Space-Saving SO-8 Package
l User Adjustable Output Voltages
C1
l Low Temperature Coefficient
l All AME's Lead Free Products Meet RoHS
Standards
1µF
OUT
OUT
AME8807
GND
ADJ
C2
R1
100p
C3
2.2µF
R2
n Applications
l Instrumentation
l Portable Electronics
l Wireless Devices
l Cordless Phones
l PC Peripherals
VOUT = 1.215 ( R1/R2 +1 )
C2 is unnecessary if R1 or R2 < 20 K Ohms
R R and R use resistance value within 1% accuracy for
1
2
and correct
VOUT
l Battery Powered Widgets
l Electronic Scales
1
AME, Inc.
AME8807
600mA CMOS LDO
n Pin Configuration
SO-8
Top View
8
7
6
SO-8
Top View
5
AME8807
AME8807AEHA
8
7
6
5
1. IN
1. OUT
2. GND
2. ADJ
3. GND
AME8807
4. EN
5. ADJ
2
3
4
3. GND
4. NC
5. EN
6. GND
1
AME8807BEHA
6. NC
1
7. GND
2
3
4
7. NC
8. OUT
8. IN
* Die Attach:
* Die Attach:
Conductive Epoxy
Conductive Epoxy
n Ordering Information
AME8807 x x x x x
Special Feature
Number of Pins
Package Type
Operating Ambient Temperature Range
Pin Configuration
Pin
Operating Ambient
Configuration Temperature Range
A: 1. IN
2. GND
3. GND
4. EN
5. ADJ
6. GND
7. GND
8. OUT
B: 1.
2.
3.
4.
5.
6.
7.
8.
2
OUT
ADJ
GND
NC
EN
NC
NC
EN
E: -40 O C to 85 O C
Package Type
H: SO-8
Number of
Pins
A: 8
Special Feature
Z: Lead Free
AME, Inc.
AME8807
600mA CMOS LDO
n Ordering Information
Part Number
Marking*
Output Voltage
Package
Operating Ambient
Temperature Range
AME8807AEHA
8807
AEHA
yyww
Adjustable
SO-8
- 40oC to + 85oC
AME8807AEHAZ
8807
AEHA
yyww
Adjustable
SO-8
- 40oC to + 85oC
AME8807BEHA
8807
BEHA
yyww
Adjustable
SO-8
- 40oC to + 85oC
AME8807BEHAZ
8807
BEHA
yyww
Adjustable
SO-8
- 40oC to + 85oC
Note: yyww represents the date code
* A line on top of the first letter represents lead free plating such as 8807
Please consult AME sales office or authorized Rep./Distributor for package type availability.
3
AME, Inc.
AME8807
600mA CMOS LDO
n Absolute Maximum Ratings
Parameter
Maximum
Unit
8
V
Output Current
PD / (V IN - VO)
A
Output Voltage
GND - 0.3 to VIN + 0.3
V
Input Voltage
B*
ESD Classification
Caution: Stress above the listed absolute maximum rating may cause permanent damage to the device.
*HBM B:2000V~3999V
n Recommended Operating Conditions
Parameter
Symbol
Rating
Unit
Ambient Temperature Range
TA
- 40 to + 85
o
C
Junction Temperature Range
TJ
- 40 to + 125
o
C
n Thermal Information
Parameter
Package
Die Attach
Thermal Resistance*
(Junction to Case)
Thermal Resistance
(Junction to Ambient)
Maximum
θJC
60
Unit
o
SO-8
Conductive Epoxy
Internal Power Dissipation
θJA
150
PD
810
C/W
mW
Maximum Junction Temperature
150
o
C
Solder Iron (10 Sec)**
350
o
C
* Measure θJC on center of molding compound if IC has no tab. O
** MIL-STD-202G 210F F
4
Symbol
AME, Inc.
AME8807
600mA CMOS LDO
n Electrical Specifications
TA = 25OC unless otherwise noted
Parameter
Symbol
Input Voltage
VIN
Output Voltage Accuracy
VO
Dropout Voltage
VDROPOUT
Test Condition
IO=1mA
Min
Typ Max
Note 1
7
V
-1.5
1.5
%
1.5V<VO(NOM)<=2.0V
IO=600mA
VO=VO(NOM) -2.0%
1400
See
chart
2.0V<VO(NOM)<=2.8V
2.8V<VO(NOM)
Output Current
Units
800
mV
600
IO
VO>1.2V
600
Current Limit
ILIM
VO>1.2V
600
Short Circuit Current
ISC
VO<0.8V
300
600
mA
IQ
IO=0mA
30
50
µA
IGND
IO=1mA to 600mA
30
Quiescent Current
(For Fixed Output Voltage Options)
Ground Pin Current
Line Regulation
REGLINE
Load Regulation
REGLOAD
Over Temperature Shutdown
Over Temperature Hysterisis
VO Temperature Coefficient
Power Supply Rejection
Output Voltage Noise
ADJ Reference Voltage
EN Input Threshold
EN Input Bias Current
Shutdown Supply Current
IO=1mA
VO < 2.0V
VIN=VO+1 to V O+2
VO >= 2.0V
IO=1mA to 600mA
mA
800
mA
µA
0.15
%
0.02
0.1
%
0.2
1
%
150
o
OTH
30
o
TC
30
OTS
PSRR
eN
IO=100mA
CO=2.2µF
f=10Hz to 100kHz
IO=10mA
C
C
ppm/oC
f=1kHz
50
f=10kHz
20
f=100kHz
15
Co=2.2µF
30
µVrms
1.203 1.215 1.227
V
VREF
dB
VEH
VIN =2.7V to 7V
2.0
Vin
V
VEL
VIN =2.7V to 7V
0
0.4
V
IEH
VEN =VIN , VIN=2.7V to 7V
0.1
µA
IEL
VEN =0V, VIN=2.7V to 7V
0.5
µA
ISD
VIN =5V, V O=0V, VEN <VEL
1
µA
0.5
Note1:VIN(min) =VOUT+VDROPOUT
5
AME, Inc.
AME8807
600mA CMOS LDO
n Detailed Description
n Enable
The AME8807 family of CMOS regulators contain a
PMOS pass transistor, voltage reference, error amplifier,
over-current protection, and thermal shutdown.
The Enable pin normally floats high. When actively,
pulled low, the PMOS pass transistor shuts off, and all
internal circuits are powered down. In this state, the quiescent current is less than 1µA. This pin behaves much
like an electronic switch.
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 AME8807 switches from voltage mode to current
mode when the load exceeds the rated output current.
This prevents over-stress. The AME8807 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.
n External Capacitors
The AME8807 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.
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.
6
n ADJ
The ADJ pin is the positive input to the error amplifier
which, due to the pmos pass element inversion, means it
is actually the negative input of the LDO feedback loop.
The feedback works to keep the voltage at the ADJ pin
1.215V with respect to ground. Since the internal circuitry at the ADJ pin is essentially an ESD protected
CMOS gate the input current at the ADJ pin is virtually
zero.
AME, Inc.
AME8807
600mA CMOS LDO
Ground Current vs. Input Voltage
Load Step (1mA-600mA)
Vo(10mV/DIV)
45
85 OC
35
30
25
Output
C L=2.2µF
CIN=2.2µF
O
25 C
20
15
10
5
0
0
1
2
3
4
5
6
7
8
IL(200mA/DIV)
Ground Current (µ A)
40
I Load
0
Input Voltage (V)
TIME (20mS/DIV)
Drop Out Voltage vs. Output Voltage
Power Supply Rejection Ratio
0
1400
Top to Bottom
ILOAD=600mA
ILOAD=500mA
ILOAD=400mA
ILOAD=300mA
ILOAD=200mA
ILOAD=100mA
1000
800
600
-10
100mA
CL=2.2µF Tantalum
Tantalum
C BYP=0
-20
PSRR (dB)
Dr op Out Voltage (mV)
1200
-30
-40
-50
10mA
100mA
400
-60
200
-70
1
2
3
4
5
100 µ A
100 µ A
1mA
-80
6
10
Output Voltage (V)
1K
100K
10M
Frequency (Hz)
Safe Operating Area
Noise Measurement
600
8807BEHA
Vo (1mV DIV)
Output Current (mA)
8807AEHA
100
10
0.1
1.0
Input-Output Voltage Differential (V)
C L=2.2µF
No Filter
8.0
TIME (20ms/DIV)
7
AME, Inc.
AME8807
600mA CMOS LDO
Current Limit Response
I OU T (200mA/DIV)
VOUT (1V/DIV)
Overtemperature Shutdown
0
IOUT (200mA/DIV)
VOUT (1V/D IV)
RLOAD=6.6 Ω
0
TIME (0.5Sec/DIV)
TIME (2mS/DIV)
TIME (2mS/DIV)
V IN (1V/DIV)
Line Transient Response
VOUT (10mV/DIV)
Enable (2V/DIV)
Chip Enable Transient Response
C L=2µF
R L=10Ω
0
Output (1V/DIV)
C LOAD=2.2µF
C IN=1µF
R LOAD <100mΩ
VOUT (1V/DIV)
IOUT (200mV/DIV)
Short Circuit Response
C LOAD=2.2µF
ILOAD =1mA
VOUTDC=3.3V
VINDC=4.5V
TIME (200mS/DIV)
8
C LOAD =2.2µF
C IN=1.0µF
RLOAD=3.3Ω
VOUTNOM =3.3V
0
TIME (1mS/DIV)
AME, Inc.
AME8807
600mA CMOS LDO
n External Resistor Divider Table
R1
(K Ohm)
1
2
4
5
6
7
8
9
10
114.35
72.00
52.54
41.36
34.11
29.01
25.25
22.34
20.04
18.17
16.62
15.31
14.19
13.22
12.38
11.64
10.98
10.40
9.87
9.39
8.96
8.56
8.20
7.87
7.56
7.28
7.02
6.77
6.55
6.33
6.13
5.94
5.77
5.60
5.45
5.30
5.16
128.65
81.00
59.11
46.53
38.37
32.64
28.40
25.14
22.55
20.44
18.69
17.22
15.96
14.88
13.93
13.10
12.36
11.70
11.10
10.57
10.08
9.63
9.23
8.85
8.51
8.19
7.90
7.62
7.36
7.12
6.90
6.69
6.49
6.30
6.13
5.96
5.80
142.94
90.00
65.68
51.70
42.63
36.27
31.56
27.93
25.05
22.71
20.77
19.13
17.74
16.53
15.48
14.55
13.73
12.99
12.34
11.74
11.20
10.70
10.25
9.84
9.46
9.10
8.77
8.47
8.18
7.92
7.67
7.43
7.21
7.00
6.81
6.62
6.45
R2(K Ohm)=(1.215*R1(K Ohm))/(Vout-1.215)
Vout
1.30
1.35
1.40
1.45
1.50
1.55
1.60
1.65
1.70
1.75
1.80
1.85
1.90
1.95
2.00
2.05
2.10
2.15
2.20
2.25
2.30
2.35
2.40
2.45
2.50
2.55
2.60
2.65
2.70
2.75
2.80
2.85
2.90
2.95
3.00
3.05
3.10
3
14.29
9.00
6.57
5.17
4.26
3.63
3.16
2.79
2.51
2.27
2.08
1.91
1.77
1.65
1.55
1.46
1.37
1.30
1.23
1.17
1.12
1.07
1.03
0.98
0.95
0.91
0.88
0.85
0.82
0.79
0.77
0.74
0.72
0.70
0.68
0.66
0.64
28.59
18.00
13.14
10.34
8.53
7.25
6.31
5.59
5.01
4.54
4.15
3.83
3.55
3.31
3.10
2.91
2.75
2.60
2.47
2.35
2.24
2.14
2.05
1.97
1.89
1.82
1.75
1.69
1.64
1.58
1.53
1.49
1.44
1.40
1.36
1.32
1.29
42.88
27.00
19.70
15.51
12.79
10.88
9.47
8.38
7.52
6.81
6.23
5.74
5.32
4.96
4.64
4.37
4.12
3.90
3.70
3.52
3.36
3.21
3.08
2.95
2.84
2.73
2.63
2.54
2.45
2.37
2.30
2.23
2.16
2.10
2.04
1.99
1.93
57.18
36.00
26.27
20.68
17.05
14.51
12.62
11.17
10.02
9.08
8.31
7.65
7.09
6.61
6.19
5.82
5.49
5.20
4.93
4.70
4.48
4.28
4.10
3.94
3.78
3.64
3.51
3.39
3.27
3.17
3.07
2.97
2.88
2.80
2.72
2.65
2.58
71.47
45.00
32.84
25.85
21.32
18.13
15.78
13.97
12.53
11.36
10.38
9.57
8.87
8.27
7.74
7.28
6.86
6.50
6.17
5.87
5.60
5.35
5.13
4.92
4.73
4.55
4.39
4.23
4.09
3.96
3.83
3.72
3.61
3.50
3.40
3.31
3.22
85.76
54.00
39.41
31.02
25.58
21.76
18.94
16.76
15.03
13.63
12.46
11.48
10.64
9.92
9.29
8.73
8.24
7.80
7.40
7.04
6.72
6.42
6.15
5.90
5.67
5.46
5.26
5.08
4.91
4.75
4.60
4.46
4.33
4.20
4.08
3.97
3.87
100.06
63.00
45.97
36.19
29.84
25.39
22.09
19.55
17.54
15.90
14.54
13.39
12.42
11.57
10.83
10.19
9.61
9.10
8.63
8.22
7.84
7.49
7.18
6.89
6.62
6.37
6.14
5.93
5.73
5.54
5.37
5.20
5.05
4.90
4.76
4.63
4.51
9
AME, Inc.
AME8807
600mA CMOS LDO
n External Resistor Divider Table (contd.)
R1
(K Ohm)
1
2
3
10
5
6
7
8
9
10
5.02
4.90
4.78
4.66
4.55
4.45
4.35
4.25
4.16
4.08
3.99
3.91
3.83
3.76
3.69
3.62
3.55
3.49
3.43
3.37
3.31
3.26
3.20
3.15
3.10
3.05
3.00
2.96
2.91
2.87
2.83
2.79
2.75
2.71
2.67
2.64
2.60
2.57
5.65
5.51
5.37
5.24
5.12
5.00
4.89
4.79
4.68
4.58
4.49
4.40
4.31
4.23
4.15
4.07
4.00
3.93
3.86
3.79
3.73
3.66
3.60
3.54
3.49
3.43
3.38
3.33
3.28
3.23
3.18
3.14
3.09
3.05
3.01
2.97
2.93
2.89
6.28
6.12
5.97
5.83
5.69
5.56
5.44
5.32
5.20
5.09
4.99
4.89
4.79
4.70
4.61
4.53
4.44
4.36
4.29
4.21
4.14
4.07
4.00
3.94
3.88
3.81
3.76
3.70
3.64
3.59
3.54
3.49
3.44
3.39
3.34
3.30
3.25
3.21
R2(K Ohm)=(1.215*R1(K Ohm))/(Vout-1.215)
Vout
3.15
3.20
3.25
3.30
3.35
3.40
3.45
3.50
3.55
3.60
3.65
3.70
3.75
3.80
3.85
3.90
3.95
4.00
4.05
4.10
4.15
4.20
4.25
4.30
4.35
4.40
4.45
4.50
4.55
4.60
4.65
4.70
4.75
4.80
4.85
4.90
4.95
5.00
4
0.63
0.61
0.60
0.58
0.57
0.56
0.54
0.53
0.52
0.51
0.50
0.49
0.48
0.47
0.46
0.45
0.44
0.44
0.43
0.42
0.41
0.41
0.40
0.39
0.39
0.38
0.38
0.37
0.36
0.36
0.35
0.35
0.34
0.34
0.33
0.33
0.33
0.32
1.26
1.22
1.19
1.17
1.14
1.11
1.09
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.91
0.89
0.87
0.86
0.84
0.83
0.81
0.80
0.79
0.78
0.76
0.75
0.74
0.73
0.72
0.71
0.70
0.69
0.68
0.67
0.66
0.65
0.64
1.88
1.84
1.79
1.75
1.71
1.67
1.63
1.60
1.56
1.53
1.50
1.47
1.44
1.41
1.38
1.36
1.33
1.31
1.29
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.13
1.11
1.09
1.08
1.06
1.05
1.03
1.02
1.00
0.99
0.98
0.96
2.51
2.45
2.39
2.33
2.28
2.22
2.17
2.13
2.08
2.04
2.00
1.96
1.92
1.88
1.84
1.81
1.78
1.75
1.71
1.68
1.66
1.63
1.60
1.58
1.55
1.53
1.50
1.48
1.46
1.44
1.41
1.39
1.37
1.36
1.34
1.32
1.30
1.28
3.14
3.06
2.99
2.91
2.85
2.78
2.72
2.66
2.60
2.55
2.49
2.44
2.40
2.35
2.31
2.26
2.22
2.18
2.14
2.11
2.07
2.04
2.00
1.97
1.94
1.91
1.88
1.85
1.82
1.79
1.77
1.74
1.72
1.69
1.67
1.65
1.63
1.61
3.77
3.67
3.58
3.50
3.41
3.34
3.26
3.19
3.12
3.06
2.99
2.93
2.88
2.82
2.77
2.72
2.67
2.62
2.57
2.53
2.48
2.44
2.40
2.36
2.33
2.29
2.25
2.22
2.19
2.15
2.12
2.09
2.06
2.03
2.01
1.98
1.95
1.93
4.40
4.28
4.18
4.08
3.98
3.89
3.81
3.72
3.64
3.57
3.49
3.42
3.36
3.29
3.23
3.17
3.11
3.05
3.00
2.95
2.90
2.85
2.80
2.76
2.71
2.67
2.63
2.59
2.55
2.51
2.48
2.44
2.41
2.37
2.34
2.31
2.28
2.25
AME, Inc.
AME8807
600mA CMOS LDO
n Tape and Reel Dimension
SO-8L
P
PIN 1
W
Carrier Tape, Number of Components Per Reel and Reel Size
Package
Carrier Width (W)
Pitch (P)
Part Per Full Reel
Reel Size
SO-8L
12.0±0.1 mm
4.0±0.1 mm
2500pcs
330±1 mm
11
AME, Inc.
AME8807
600mA CMOS LDO
n Package Dimension
SO-8L
SYMBOLS
Top View
MAX
MIN
MAX
A
1.35
1.75
0.05315
0.0689
A1
0.10
0.30
0.00394 0.01181
A2
E
H
D
L
θ
Front View
INCHES
MIN
Side View
C
MILLIMETERS
1.473 REF
0.05799 REF
B
0.33
0.51
0.01299 0.02008
C
0.19
0.25
0.00748 0.00984
D
4.80
5.33
0.18898 0.20984
E
3.80
4.00
0.14961 0.15748
1.27 BSC
e
0.05000 BSC
L
0.40
1.27
0.01575 0.05000
H
5.80
6.30
0.22835 0.24803
y
-
0.10
e
B
12
A1
A
A2
7 o(4X)
θ
0
o
8
o
0
o
0.00394
8o
www.ame.com.tw
E-Mail: sales@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. , March 2006
Document: 2006/2095-DS8807-L.01
Corporate Headquarter
AME, Inc.
2F, 302 Rui-Guang Road, Nei-Hu District
Taipei 114, Taiwan, R.O.C.
Tel : 886 2 2627-8687
Fax: 886 2 2659-2989
U.S.A. (Subsidiary)
Analog Microelectronics, Inc.
3100 De La Cruz Blvd., Suite 201
Santa Clara, CA. 95054-2046
Tel : (408) 988-2388
Fax: (408) 988-2489