AME AME1085MCT 3a low dropout positive voltage regulator Datasheet

Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n General Description
n Key Features
l
The AME1085 is a 3A low-dropout positive voltage regulator. It is available in fixed and adjustable output voltage
versions. Overcurrent and thermal protection are integrated onto the chip. Output current will limit as it reaches
the pre-set current or temperature limit. At full rated
output current the dropout voltage is 1.4V (max.).
AME1085 series regulators provide excellent regulation
over line, load and temperature variations.
l
l
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l
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Low dropout voltage 1.2V typically at 3A
Adjustable or 3.3V fixed voltage
Line regulation typically 0.015%
Load regulation typically 0.05%
Adjust pin (ADJ) current less than 90υA
Overcurrent protection
Thermal protection
Available in TO-220, TO-263, TO-252
n Applications
l
l
l
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High Efficiency Linear Regulators
Post Regulators for Switching Supplies
5V to 3.3V Voltage Converter
Battery Charger
n Functional Block Diagram
n Typical Application
Input
AME1085
V IN
VOUT
GND
Current
Limiting
Amplifier
4.75V to 5.25V
Thermal
Protection
Error
Amp.
10µF Tan
10µF Tan L o a d
Output
Bandgap
Reference
ADJ/GND
Figure 2
Figure 1
1
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Pin Configuration
To-263 Front View
To-263-2 Front View
AME 1085
AME 1085
1
1
2
ADJ/GND VOUT
3
V IN
To-252-2 Front View
2
ADJ/GND VOUT
3
V IN
TO-252-2 Front view
AME1085
AME 1085
1
2
3
1
2
3
VOUT
ADJ/GND VOUT
2
V IN
ADJ/
GND
V IN
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Ordering Information
Part Number
Marking
Output Voltage
Package
AME1085ACBT
AME1085
ACBT
YYWW
ADJ
TO-220
AME1085DCBT
AME1085
DCBT
YYWW
3.3
TO-220
ADJ
TO-263-3
3.3
TO-263-3
ADJ
TO-263-2
3.3
TO-263-2
ADJ
TO-252-2
3.3
TO-252-2
AME1085ACDT-3
AME1085DCDT-3
AME1085ACDT
AME1085DCDT
AME1085AMCT
AME1085MCT*
AME1085
ACDT-3
YYWW
AME1085
DCDT-3
YYWW
AME1085
ACDT
YYWW
AME1085
DCDT
YYWW
AME1085
AMCT
YYWW
AME1085
MCT
YYWW
* This differs from our standard part numbering scheme due to historical precedent
n Absolute Maximum Ratings
Symbol Maximum
Parameter
VIN
Input Voltage
Thermal Resistance
(Junction to Case)
Thermal Resistance
(Junction to Ambient)
TO-220
TO-263
TO-252
θJC
TO-220
TO-263
θJA
2.5
2.5
15
50
V
0
C/W
60
90
TO-252
Operating Junction Temperature Range
Units
7
TJ
0 to 125
Storage Temperature Range
TSTG
-65 to 150
Lead Temperature ( 10 sec )
TLEAD
260
0
C
3
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Electrical Characteristics
AME1085AXXX
Parameter
Reference voltage
(adjustable voltage)
VREF
Line regulation
RegLINE
Load regulation
RegLOAD
Dropout voltage
∆ VOUT, ∆ VREF = 1%
Current limit
Test Conditions
Symbol
VD
0
Min.
1.238
Typ.
Max.
1.262
VIN = 5V
TJ =25 C
IO = 10mA
Over temp. 1.225
VIN = 2.75 - 7V
TJ =250C
-
0.015
0.2
IO = 10mA
Over temp.
-
0.035
0.2
VIN = 5V
TJ =250C
-
0.05
0.3
IO = 10mA - 3A
Over temp.
-
0.2
0.4
VIN = 2.75 - 7V
TJ =250C
-
1.2
1.4
IO = 10mA - 3A
Over temp.
-
1.3
-
3.0
-
-
1.250
1.275
Units
V
%
%
V
IS
VIN = 2.75 - 7V, Over temp.
Temperature Coefficient
TC
VIN = 2.75 - 7V, IO = 10mA - 3A
-
0.005
-
A
%/OC
Temperature stability
TS
VIN = 5V, IO = 500mA, Over temp.
-
0.5
-
%
Minimum load current
IO
VIN = 5V
-
5
10
mA
-
0.003
-
%V0
60
72
-
dB
Min.
3.267
Typ.
Max.
3.333
Units
0
RMS output noise
VN
TJ =25 C
Ripple rejection ratio
RA
VIN = 5V, IO = 3A, Over temp.
AME1085DXXX
Parameter
Output voltage
(fixed voltage)
RegLINE
Load regulation
RegLOAD
∆ VOUT, ∆ VREF = 1%
Current limit
Quiescent current
(fixed model)
Temperature Coefficient
Temperature stability
4
Vo
Line regulation
Dropout voltage
Test Conditions
Symbol
VD
0
VIN = 5V
TJ =25 C
IO = 0A
Over temp. 3.234
VIN =4.5 - 7V
TJ =250C
-
0.015
0.2
IO = 0A
Over temp.
-
0.035
0.2
VIN = 5V
TJ =250C
-
0.05
0.3
IO = 0A - 3A
Over temp.
-
0.2
0.4
VIN = 4.5 - 7V
TJ =250C
-
1.2
1.4
IO = 0A - 3A
Over temp.
-
1.3
-
3.0
-
-
A
3.300
3.366
V
%
%
V
IS
VIN = 4.5 - 7V, Over temp.
IQ
VIN = 5V, Io=0A - 3A, Over temp.
-
12
13
mA
TC
VIN = 4.5 - 7V, IO = 0A - 3A
-
0.005
-
%/0C
TS
VIN = 5V, IO = 500mA, Over temp.
-
0.5
-
%
-
0.003
-
%V0
60
72
-
dB
0
RMS output noise
VN
TJ =25 C
Ripple rejection ratio
RA
VIN = 5V, IO = 3A, Over temp.
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Application Description
3. Current limit protection
AME1085 is protected against overload conditions. Current protection is triggered at typically 4.5A.
1. Output voltage adjustment
Like most regulators, the AME1085 regulates the
output by comparing the output voltage to an
internally generated reference voltage. On the
adjustable version, the VREF is available externally as 1.25V between VOUT and ADJ. The
voltage ratio formed by R1 and R2 should be
set
to conduct 10mA (minimum output load).
The output voltage is given by the following
equation:
R2
) + IADJ x R2
VOUT = VREF ( 1 +
R1
On fixed versions of AME1085, the voltage divider is provided internally.
V IN
IN
ADJ
Note: It is important that the ESR for this capacitor does not exceed 0.5Ω.
The output capacitor dose not have a theoretical upper limit and increasing its value will increase stability. COUT = 100µF or more is typical for high current regulator design.
V OUT
OUT
C1
4. Stability and load regulation
AME1085 requires a capacitor from VOUT to
GND to provide compensation feedback to the
internal gain stage. This is to ensure stability
at the output terminal. Typically, a 10µF tantalum or 50µF aluminum electrolytic is sufficient.
V REF
R1
I A DJ
50µA
R2
For the adjustable version, the best load regulation is accomplished when the top of the
resistor divider (R1) is connected directly to the
output pin of the AME1085. When so connected, RP is not multiplied by the divider ratio.
For fixed output versions, the top of R1 is internally connected to the output and ground
pin can be connected to low side of the load.
V O U T = V R E F (1+ R 2 ) + I ADJ x R2
R1
Figure 3
RP
Parasitic
Line Resistance
V IN
IN
OUT
ADJ
2. Thermal protection
AME1085 has thermal protection which limits
junction temperature to 150OC. However, device functionality is only guaranteed to a maximum junction temperature of +125OC.
R1
(Connect R1 to case)
RL
R2
The power dissipation and junction temperature
for AME1085 in TO-220 package are given by
PD = (VIN - VOUT) x IOUT
TJUNCTION = TAMBIENT + ( PD x θJA)
Connect
R2 to load
Note: TJUNCTION must not exceed 125OC
Figure 4
5
Analog Microelectronics, Inc.
AME1085
5. Thermal consideration
The AME1085 series contain thermal limiting circuitry designed to protect itself for over-temperature conditions. Even for normal load conditions,
maximum junction temperature ratings must not
be exceed. As mention in thermal protection
section, we need to considerall sources of thermal resistance between junction and ambient.
It includes junction-to-case, case-to-heat-sink interface and heat sink thermal resistance itself.
Junction-to-case thermal resistance is specified
from the IC junction to the bottom of the case
directly below the die. Proper mounting is required to ensure the best possible thermal flow
from this area of the package to the heat sink.
The case of all devices in this series is electrically connected to the output. Therefore, if the
case of the device must be electrically isolated,
a thermally conductive spacer is recommended.
6
3A Low Dropout
Positive Voltage Regulator
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Advanced Applications
AME1085
V IN = 5V
* V O = 1.5 - 3.45V
V OUT
V IN
ADJ
R1
10µF
10µF
10µF
1K
**
R2
2K
R2
) + IADJ x R2
R1
** Optional for improved ripple rejection
* VO = VREF ( 1 +
Figure 5 Adjustable output voltage
V IN
V IN
AME1085
V OUT
GND
R1
* 20m Ω
VO
I O = 0 to 6A
10 µF
10µF
V IN
AME1085
V OUT
GND
R2
* 20m Ω
* 20mΩ is ballast resistance
The inter - connection of #18 wire could act as ballast resistance
Figure 6 Paralleling Regulators
7
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Advanced Applications (Cont.)
V IN
V IN
AME1085
V OUT
GND
10µF
10µF
1K
10µF
**
* VO = VREF + VZ (VZ: breakdown voltage of Zener diode)
** Optional for improved ripple rejection
Figure 7 Regulator with reference
*
V IN
AME1085
V OUT
VO
GND
10µF
100µF
Figure 8 Regulator with reverse diode protection
8
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n External Rsistor Divider Table for Customized Voltage
R1(ohm)
Vout
1.25
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
100
102
105
0.000
3.984
7.968
11.95
15.94
19.92
23.90
27.89
31.87
35.86
39.84
43.82
47.81
51.79
55.78
59.76
63.75
67.73
71.71
75.70
79.68
83.67
87.65
91.63
95.62
99.60
103.6
107.6
111.6
115.5
119.5
123.5
127.5
131.5
135.5
139.4
143.4
147.4
0.000
4.063
8.127
12.19
16.25
20.32
24.38
28.44
32.51
36.57
40.63
44.70
48.76
52.82
56.89
60.95
65.01
69.08
73.14
77.21
81.27
85.33
89.40
93.46
97.52
101.6
105.6
109.7
113.8
117.8
121.9
126.0
130.0
134.1
138.2
142.2
146.3
150.3
0.000
4.182
8.365
12.55
16.73
20.91
25.09
29.28
33.46
37.64
41.82
46.01
50.19
54.37
58.55
62.74
66.92
71.10
75.28
79.47
83.65
87.83
92.01
96.20
100.4
104.6
108.7
112.9
117.1
121.3
125.5
129.7
133.8
138.0
142.2
146.4
150.6
154.8
107
110
113
115
R2(ohm)=(Vout-1.25)*R1/(1.25+50u*R1)
0.000
0.000
0.000
0.000
4.262
4.381
4.500
4.579
8.524
8.761
8.999
9.158
12.79
13.14
13.50
13.74
17.05
17.52
18.00
18.32
21.31
21.90
22.50
22.89
25.57
26.28
27.00
27.47
29.83
30.67
31.50
32.05
34.09
35.05
36.00
36.63
38.36
39.43
40.50
41.21
42.62
43.81
45.00
45.79
46.88
48.19
49.50
50.37
51.14
52.57
54.00
54.95
55.40
56.95
58.50
59.53
59.66
61.33
63.00
64.11
63.93
65.71
67.49
68.68
68.19
70.09
71.99
73.26
72.45
74.47
76.49
77.84
76.71
78.85
80.99
82.42
80.97
83.23
85.49
87.00
85.24
87.61
89.99
91.58
89.50
92.00
94.49
96.16
93.76
96.38
98.99
100.7
98.02
100.8
103.5
105.3
102.3
105.1
108.0
109.9
106.5
109.5
112.5
114.5
110.8
113.9
117.0
119.1
115.1
118.3
121.5
123.6
119.3
122.7
126.0
128.2
123.6
127.0
130.5
132.8
127.9
131.4
135.0
137.4
132.1
135.8
139.5
141.9
136.4
140.2
144.0
146.5
140.6
144.6
148.5
151.1
144.9
148.9
153.0
155.7
149.2
153.3
157.5
160.3
153.4
157.7
162.0
164.8
157.7
162.1
166.5
169.4
118
121
124
0.000
4.698
9.396
14.09
18.79
23.49
28.19
32.88
37.58
42.28
46.98
51.68
56.37
61.07
65.77
70.47
75.17
79.86
84.56
89.26
93.96
98.65
103.4
108.1
112.7
117.4
122.1
126.8
131.5
136.2
140.9
145.6
150.3
155.0
159.7
164.4
169.1
173.8
0.000
4.817
9.633
14.45
19.27
24.08
28.90
33.72
38.53
43.35
48.17
52.98
57.80
62.62
67.43
72.25
77.07
81.88
86.70
91.52
96.33
101.2
106.0
110.8
115.6
120.4
125.2
130.1
134.9
139.7
144.5
149.3
154.1
159.0
163.8
168.6
173.4
178.2
0.000
4.936
9.871
14.81
19.74
24.68
29.61
34.55
39.48
44.42
49.36
54.29
59.23
64.16
69.10
74.03
78.97
83.90
88.84
93.77
98.71
103.6
108.6
113.5
118.5
123.4
128.3
133.3
138.2
143.1
148.1
153.0
157.9
162.9
167.8
172.7
177.7
182.6
9
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
External Rsistor Divider Table for Customized Voltage (Cont.)
R1(ohm)
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
10
100
102
105
151.4
155.4
159.4
163.3
167.3
171.3
175.3
179.3
183.3
187.3
191.2
195.2
199.2
203.2
207.2
211.2
215.1
219.1
223.1
227.1
231.1
235.1
239.0
243.0
247.0
251.0
255.0
259.0
262.9
266.9
270.9
274.9
278.9
282.9
286.9
290.8
294.8
298.8
154.4
158.5
162.5
166.6
170.7
174.7
178.8
182.9
186.9
191.0
195.0
199.1
203.2
207.2
211.3
215.4
219.4
223.5
227.6
231.6
235.7
239.7
243.8
247.9
251.9
256.0
260.1
264.1
268.2
272.2
276.3
280.4
284.4
288.5
292.6
296.6
300.7
304.8
158.9
163.1
167.3
171.5
175.7
179.8
184.0
188.2
192.4
196.6
200.8
204.9
209.1
213.3
217.5
221.7
225.9
230.0
234.2
238.4
242.6
246.8
250.9
255.1
259.3
263.5
267.7
271.9
276.0
280.2
284.4
288.6
292.8
297.0
301.1
305.3
309.5
313.7
107
110
113
115
R2(ohm)=(Vout-1.25)*R1/(1.25+50u*R1)
161.9
166.5
171.0
174.0
166.2
170.8
175.5
178.6
170.5
175.2
180.0
183.2
174.7
179.6
184.5
187.7
179.0
184.0
189.0
192.3
183.3
188.4
193.5
196.9
187.5
192.8
198.0
201.5
191.8
197.1
202.5
206.1
196.0
201.5
207.0
210.6
200.3
205.9
211.5
215.2
204.6
210.3
216.0
219.8
208.8
214.7
220.5
224.4
213.1
219.0
225.0
228.9
217.3
223.4
229.5
233.5
221.6
227.8
234.0
238.1
225.9
232.2
238.5
242.7
230.1
236.6
243.0
247.3
234.4
240.9
247.5
251.8
238.7
245.3
252.0
256.4
242.9
249.7
256.5
261.0
247.2
254.1
261.0
265.6
251.4
258.5
265.5
270.2
255.7
262.8
270.0
274.7
260.0
267.2
274.5
279.3
264.2
271.6
279.0
283.9
268.5
276.0
283.5
288.5
272.8
280.4
288.0
293.1
277.0
284.7
292.5
297.6
281.3
289.1
297.0
302.2
285.5
293.5
301.5
306.8
289.8
297.9
306.0
311.4
294.1
302.3
310.5
315.9
298.3
306.7
315.0
320.5
302.6
311.0
319.5
325.1
306.8
315.4
324.0
329.7
311.1
319.8
328.5
334.3
315.4
324.2
333.0
338.8
319.6
328.6
337.5
343.4
118
121
124
178.5
183.2
187.9
192.6
197.3
202.0
206.7
211.4
216.1
220.8
225.5
230.2
234.9
239.6
244.3
249.0
253.7
258.4
263.1
267.8
272.5
277.2
281.9
286.6
291.3
296.0
300.7
305.4
310.1
314.8
319.5
324.2
328.8
333.5
338.2
342.9
347.6
352.3
183.0
187.9
192.7
197.5
202.3
207.1
211.9
216.8
221.6
226.4
231.2
236.0
240.8
245.7
250.5
255.3
260.1
264.9
269.7
274.6
279.4
284.2
289.0
293.8
298.6
303.5
308.3
313.1
317.9
322.7
327.5
332.4
337.2
342.0
346.8
351.6
356.4
361.3
187.5
192.5
197.4
202.4
207.3
212.2
217.2
222.1
227.0
232.0
236.9
241.8
246.8
251.7
256.6
261.6
266.5
271.5
276.4
281.3
286.3
291.2
296.1
301.1
306.0
310.9
315.9
320.8
325.7
330.7
335.6
340.6
345.5
350.4
355.4
360.3
365.2
370.2
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Package Dimension
TO-252 (DPAK) -EIAJ
SYMBOLS
A
B
C
D
E
F
G
H
I
J
K
L
MILLIMETERS
MIN
MAX
0.45
0.58
1.60
1.95
0.51
0.45
0.60
6.40
6.80
5.40
5.80
2.20
2.85
* 2.30
0.90
0.97
5.20
5.50
0.89
2.03
INCHES
MIN
MAX
0.0177
0.023
0.06
0.0768
0.02
0.0177
0.0236
0.252
0.2677
0.2126
0.2283
0.0866
0.1122
* 0.0906
0.0354
0.038
0.20
0.22
0.035
0.08
* : Typical value
NOTES :
1. CONTROLLING DIMENSION : MILLIMETERS.
2. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS
MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE
MATERIAL.
TO-252 (DPAK) JDEC
SYMBOLS
A
B
C
D
E
F
G
H
I
J
K
L
MILLIMETERS
MIN
MAX
0.45
0.58
1.60
1.95
0.51
0.45
0.60
6.40
6.80
5.40
5.80
2.20
2.85
* 2.30
0.90
0.97
5.20
5.50
0.89
2.03
INCHES
MIN
MAX
0.0177
0.023
0.06
0.0768
0.02
0.0177
0.0236
0.252
0.2677
0.2126
0.2283
0.0866
0.1122
* 0.0906
0.0354
0.038
0.20
0.22
0.035
0.08
* : Typical value
NOTES :
1. CONTROLLING DIMENSION : MILLIMETERS.
2. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS
MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE
MATERIAL.
11
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Package Dimension
TO-220
SYMBOLS
A
b
C1
D
E
e
e1
e3
f
H1
K
CP
Q
L
a
b1
R
MILLIMETERS
MIN
MAX
4.06
4.83
0.63
1.02
0.35
0.60
14.22
14.99
9.66
10.54
2.79
4.83
5.33
1.14
1.40
1.14
1.40
5.94
6.55
2.29
2.92
3.71
3.96
2.62
2.87
12.70
14.27
3D
7D
1.14
1.52
6.17 REF.
INCHES
MIN
MAX
0.160
0.190
0.025
0.040
0.0138
0.0236
0.056
0.590
0.385
0.415
0.110
0.190
0.210
0.045
0.055
0.045
0.055
0.234
0.258
0.090
0.115
0.146
0.156
0.103
0.113
0.500
0.5618
3D
7D
0.0449
0.06
0.243 REF.
Notes :
1. Dimension C1 apply for tin plate finish.
2. For solder dip lead finish dimension C1 should be
0.015"-0.027" (0.38-0.69)
TO-263-3 (D2PAK)
SYMBOLS
A
B
C
D
E
G
H
K
L
M
N
P
R
S
W
*
MILLIMETERS
MIN
MAX
9.65
10.41
8.28
9.65
4.06
4.83
0.51
1.02
1.14
1.40
*
2.54
14.61
15.88
1.02
1.68
0.00
0.97
2.49
2.74
0.43
0.58
2.29
2.79
o
8?
0
2.41
2.67
0.254
0.508
INCHES
MIN
MAX
0.380
0.410
0.326
0.380
0.160
0.190
0.020
0.040
0.045
0.055
*
0.100
0.575
0.625
0.040
0.066
0.000
0.038
0.098
0.108
0.017
0.023
0.090
0.110
o
0
8?
0.095
0.105
0.010
0.020
: Typical value
NOTES :
1. CONTROLLING DIMENSION : MILLIMETERS.
2MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH
THICKNESS
MINIMUM LEAD THICKNESS IS THE MINIMUM
THICKNESS OF BASE MATERIA.
12
Analog Microelectronics, Inc.
3A Low Dropout
Positive Voltage Regulator
AME1085
n Package Dimension
TO-263-2 (D2PAK)
SYMBOLS
A
B
C
D
E
G
H
K
L
M
N
P
R
S
W
*
MILLIMETERS
MIN
MAX
9.65
10.41
8.28
9.65
4.06
4.83
0.51
1.02
1.14
1.40
*
2.54
14.61
15.88
1.02
1.68
0.00
0.97
2.49
2.74
0.43
0.58
2.29
2.79
o
8?
0
2.41
2.67
0.254
0.508
INCHES
MIN
MAX
0.380
0.410
0.326
0.380
0.160
0.190
0.020
0.040
0.045
0.055
*
0.100
0.575
0.625
0.040
0.066
0.000
0.038
0.098
0.108
0.017
0.023
0.090
0.110
o
0
8?
0.095
0.105
0.010
0.020
: Typical value
NOTES :
1. CONTROLLING DIMENSION : MILLIMETERS.
2MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH
THICKNESS
MINIMUM LEAD THICKNESS IS THE MINIMUM
THICKNESS OF BASE MATERIA.
13
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E-Mail: [email protected]
Life Support Policy:
These products of Analog Microelectronics, Inc. are not authorized for use as critical components in lifesupport devices or systems, without the express written approval of the president
of Analog Microelectronics, Inc.
Analog Microelectronics, 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.
 Analog Microelectronics, Inc. , July 2001
Document: 1013-duc-B-0704
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