1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
1
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
General Description
The AZ2940 is a low dropout three-terminal regulator
with a typical dropout of 280mV at 1A output current.
The AZ2940 provides current limit and thermal shut-
down. On-chip thermal shutdown provides protection
against any combination of high current and ambient
temperature that would create excessive junction tem-
peratures.
The AZ2940 has 2.5V, 3.3V and 5.0V versions.
The AZ2940 is available in the industry standard TO-
220-3, TO-263-3 and TO-252-2 power packages.
Features
Minimum Guaranteed Output Current: 1A
Dropout Voltage at I
OUT
=1A: 280mV
Output Accuracy:
1%
Low Ground Current
Internal Current Limit and Thermal Protection
Reversed-battery and Reversed-lead Insertion
Protection
Fast Transient Response
Applications
LCD TV
Set Top Box
LCD Monitor
SMPS Post Regulator
Laptop, Palmtop and Notebook
Portable Instrumentation
USB Power Supply
Figure 1. Package Types of AZ2940
TO-220-3
TO-263-3
TO-252-2
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
2
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Figure 2. Pin Configuration of AZ2940 (Top View)
3
2
1
3
2
1
V
OUT
GND
V
IN
V
OUT
GND
V
IN
T Package
(TO-220-3)
Pin Configuration
Pin Description
Pin Number
Pin Name
Function
1
V
IN
Unregulated Input.
2
GND
Ground pin. This pin and TAB are internally connected.
3
V
OUT
Regulated Output.
3
2
1
V
OUT
GND
V
IN
S Package
(TO-263-3)
D Package
(TO-252-2)
Data Sheet
3
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Functional Block Diagram
Figure 3. Functional Block Diagram of AZ2940
16V
Thermal
Shutdown
Reference
+
-
1.24V
V
IN
V
OUT
GND
1
2
3
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
4
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Package
Temperature
Range
Part Number
Marking ID
Packing
Type
Tin Lead
Lead Free
Tin Lead
Lead Free
TO-220-3
AZ2940T-2.5
AZ2940T-2.5E1
AZ2940T-2.5
AZ2940T-2.5E1
Tube
AZ2940T-3.3
AZ2940T-3.3E1
AZ2940T-3.3
AZ2940T-3.3E1
Tube
AZ2940T-5.0
AZ2940T-5.0E1
AZ2940T-5.0
AZ2940T-5.0E1
Tube
TO-263-3
AZ2940S-2.5
AZ2940S-2.5E1
AZ2940S-2.5
AZ2940S-2.5E1
Tube
AZ2940S-2.5TR
AZ2940S-2.5TRE1
AZ2940S-2.5
AZ2940S-2.5E1
Tape & Reel
AZ2940S-3.3
AZ2940S-3.3E1
AZ2940S-3.3
AZ2940S-3.3E1
Tube
AZ2940S-3.3TR
AZ2940S-3.3TRE1
AZ2940S-3.3
AZ2940S-3.3E1
Tape & Reel
AZ2940S-5.0
AZ2940S-5.0E1
AZ2940S-5.0
AZ2940S-5.0E1
Tube
AZ2940S-5.0TR
AZ2940S-5.0TRE1
AZ2940S-5.0
AZ2940S-5.0E1
Tape & Reel
TO-252-2
AZ2940D-2.5
AZ2940D-2.5E1
AZ2940D-2.5
AZ2940D-2.5E1
Tube
AZ2940D-2.5TR
AZ2940D-2.5TRE1
AZ2940D-2.5
AZ2940D-2.5E1
Tape & Reel
AZ2940D-3.3
AZ2940D-3.3E1
AZ2940D-3.3
AZ2940D-3.3E1
Tube
AZ2940D-3.3TR
AZ2940D-3.3TRE1
AZ2940D-3.3
AZ2940D-3.3E1
Tape & Reel
AZ2940D-5.0
AZ2940D-5.0E1
AZ2940D-5.0
AZ2940D-5.0E1
Tube
AZ2940D-5.0TR
AZ2940D-5.0TRE1
AZ2940D-5.0
AZ2940D-5.0E1
Tape & Reel
-40 to 125
o
C
-40 to 125
o
C
-40 to 125
o
C
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Package
Circuit Type
T: TO-220-3
AZ2940
S: TO-263-3
-
3.3: Fixed Output 3.3V
Blank: Tin Lead
E1: Lead Free
TR: Tape and Reel
Blank: Tube
5.0: Fixed Output 5.0V
D: TO-252-2
2.5: Fixed Output 2.5V
Ordering Information
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
5
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Parameter
Symbol
Min
Max
Unit
Supply Voltage
V
IN
13.2
V
Operating Junction Temperature
T
J
-40
125
o
C
Note 1:
Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the
device. These are stress ratings only, and functional operation of the device at these or any other conditions
beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Max-
imum Ratings" for extended periods may affect device reliability.
Parameter Symbol
Value
Unit
Supply Voltage
V
IN
16
V
Maximum Operating Junction Temperature
T
J
150
o
C
Storage Temperature Range
T
STG
-65 to 150
o
C
Lead Temperature (Soldering, 10sec)
T
LEAD
300
o
C
ESD (Machine Model)
300
V
Recommended Operating Conditions
Absolute Maximum Ratings (Note 1)
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
6
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Operating Conditions: V
IN
=3.5V, I
OUT
=10mA, C
IN
=10
F, C
OUT
=10
F, T
J
=25
o
C, unless otherwise specified.
The Boldface applies over -40
o
C
T
J
125
o
C.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output Voltage
V
OUT
I
OUT
=10mA
2.475
2.5
2.525
V
10mA
I
OUT
1A, 3.5VV
IN
13.2V
2.45
2.5
2.55
V
Line Regulation
V
RLINE
I
OUT
=10mA, 3.5V
V
IN
13.2V
5.0
25
mV
Load Regulation
V
RLOAD
V
IN
=3.5V, 10mA
I
OUT
1A
7.5
37.5
mV
Output Voltage
Temperature Coefficient
V
OUT
/
T
I
OUT
=10mA
50
250
V/
o
C
Dropout Voltage (Note 2)
V
DROP
V
OUT
=1%
I
OUT
=100mA
70
200
mV
I
OUT
=1A
280
550
mV
Ground Current
I
GND
V
IN
=3.5V
I
OUT
=750mA
12
25
mA
I
OUT
=1A
18
mA
Current Limit
I
LIMIT
V
OUT
=0V (Note 3)
1.5
2.2
A
Minimum Load Current
I
LOAD (MIN)
1
5
mA
Output Noise Voltage (rms)
10Hz to 100KHz, I
OUT
=100mA,
C
OUT
=10
F
400
V
Electrical Characteristics
AZ2940-2.5V Electrical Characteristics
Note 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value
which is measured at V
OUT
+1V applied to V
IN
.
Note 3: V
IN
=V
OUT(NOMINAL)
+1V.
Data Sheet
7
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Operating Conditions: V
IN
=4.3V, I
OUT
=10mA, C
IN
=10
F, C
OUT
=10
F, T
J
=25
o
C, unless otherwise specified.
The Boldface applies over -40
o
C
T
J
125
o
C.
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output Voltage
V
OUT
I
OUT
=10mA
3.27
3.3
3.33
V
10mA
I
OUT
1A, 4.3VV
IN
13.2V
3.23
3.3
3.37
V
Line Regulation
V
RLINE
I
OUT
=10mA, 4.3V
V
IN
13.2V
6.6
33
mV
Load Regulation
V
RLOAD
V
IN
=4.3V, 10mA
I
OUT
1A
9.9
50
mV
Output Voltage
Temperature Coefficient
V
OUT
/
T
I
OUT
=10mA
66
330
V/
o
C
Dropout Voltage (Note 2)
V
DROP
V
OUT
=1%
I
OUT
=100mA
70
200
mV
I
OUT
=1A
280
550
mV
Ground Current
I
GND
V
IN
=4.3V
I
OUT
=750mA
12
25
mA
I
OUT
=1A
18
mA
Current Limit
I
LIMIT
V
OUT
=0V (Note 3)
1.5
2.2
A
Minimum Load Current
I
LOAD (MIN)
1
5
mA
Output Noise Voltage (rms)
10Hz to 100KHz, I
OUT
=100mA,
C
OUT
=10
F
400
V
AZ2940-3.3V Electrical Characteristics
Note 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value
which is measured at V
OUT
+1V applied to V
IN
.
Note 3: V
IN
=V
OUT(NOMINAL)
+1V.
Electrical Characteristics (Continued)
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
8
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Electrical Characteristics (Continued)
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Output Voltage
V
OUT
I
OUT
=10mA
4.95
5.0
5.05
V
10mA
I
OUT
1A, 6VV
IN
13.2V
4.90
5.0
5.10
V
Line Regulation
V
RLINE
I
OUT
=10mA, 6V
V
IN
13.2V
10
50
mV
Load Regulation
V
RLOAD
V
IN
=6V, 10mA
I
OUT
1A
15
75
mV
Output Voltage
Temperature Coefficient
V
OUT
/
T
I
OUT
=10mA
100
500
V/
o
C
Dropout Voltage (Note 2)
V
DROP
V
OUT
=1%
I
OUT
=100mA
70
200
mV
I
OUT
=1A
280
550
mV
Ground Current
I
GND
V
IN
=6V
I
OUT
=750mA
12
25
mA
I
OUT
=1A
18
mA
Current Limit
I
LIMIT
V
OUT
=0V (Note 3)
1.5
2.2
A
Minimum Load Current
I
LOAD (MIN)
1
5
mA
Output Noise Voltage (rms)
10Hz to 100KHz, I
OUT
=100mA,
C
OUT
=10
F
400
V
AZ2940-5.0V Electrical Characteristics
Note 2: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal
value which is measured at V
OUT
+1V applied to V
IN
.
Note 3: V
IN
=V
OUT(NOMINAL)
+1V.
Operating Conditions: V
IN
=6V, I
OUT
=10mA, C
IN
=10
F, C
OUT
=10
F, T
J
=25
o
C, unless otherwise specified. The
Boldface applies over -40
o
C
T
J
125
o
C.
Data Sheet
9
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
0
250
500
750
1000
1250
1500
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5
25.0
Ground Curr
e
n
t
(m
A)
Output Current (mA)
V
IN
=6V
AZ2940-5.0V
Typical Performance Characteristics
Figure 4. Line Regulation
Figure 5. Load Regulation
Figure 6. Ground Current vs. Output Current
Figure 7. Ground Current vs. Input Voltage
6
7
8
9
10
11
12
13
14
15
16
5.000
5.002
5.004
5.006
5.008
5.010
5.012
5.014
5.016
5.018
5.020
O
u
tp
u
t
V
o
l
t
a
g
e
(
V
)
Supply Voltage (V)
V
IN
=6V
I
OUT
=10mA
AZ2940-5.0V
0
250
500
750
1000
1250
1500
5.0000
5.0025
5.0050
5.0075
5.0100
5.0125
5.0150
5.0175
5.0200
5.0225
5.0250
O
u
t
p
ut
V
o
lt
ag
e
(V)
Output Current (mA)
V
IN
=6V
AZ2940-5.0V
0
2
4
6
8
10
12
14
16
0
2
4
6
8
10
12
14
16
18
20
Gr
o
u
nd Current
(m
A)
Input Voltage (V)
I
OUT
=100mA
I
OUT
=1A
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
10
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Typical Performance Characteristics (Continued)
Figure 8. Dropout Voltage vs. Output Current
Figure 9. Ground Current vs. Temperature
Figure 10. Ground Current vs. Temperature
0
250
500
750
1000
1250
1500
0
50
100
150
200
250
300
350
400
450
500
Dropo
ut
V
o
l
t
age
(m
V)
Output Current (mA)
AZ2940-5.0V
-25
0
25
50
75
100
125
0.27
0.28
0.29
0.30
0.31
0.32
0.33
0.34
0.35
0.36
0.37
G
r
oun
d Current (mA)
Temperature (
o
C)
V
IN
=6V
I
OUT
=10mA
AZ2940-5.0V
-25
0
25
50
75
100
125
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.25
3.50
G
r
ou
nd Cu
r
r
en
t
(mA)
Temperature (
o
C)
V
IN
=6V
I
OUT
=500mA
AZ2940-5.0V
Figure 11. Ground Current vs. Temperature
-25
0
25
50
75
100
125
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
G
r
ound Current
(m
A)
Temperature (
o
C)
V
IN
=6V
I
OUT
=1A
AZ2940-5.0V
Data Sheet
11
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
-25
0
25
50
75
100
125
200
225
250
275
300
325
350
375
400
425
450
475
500
Dropo
ut
V
o
l
t
age
(m
V)
Temperature (
o
C)
I
OUT
=750mA
AZ2940-5.0V
Figure 12. Dropout Voltage vs. Temperature
Figure 14. Output Voltage vs. Temperature
Typical Performance Characteristics (Continued)
Figure 13. Dropout Voltage vs. Temperature
-25
0
25
50
75
100
125
4.95
4.96
4.97
4.98
4.99
5.00
5.01
5.02
5.03
5.04
5.05
O
u
t
p
ut
V
o
l
t
ag
e
(V)
Temperature (
o
C)
V
IN
=6V
I
OUT
=10mA
AZ2940-5.0V
-25
0
25
50
75
100
125
200
225
250
275
300
325
350
375
400
425
450
475
500
Dropout Voltage (mV)
Temperature (
o
C)
I
OUT
=1A
AZ2940-5.0V
0
20
40
60
80
100
0.01
0.1
1
10
100
Stable Range
C
OUT
=2.2
F
V
OUT
=5V
T
A
=25
O
C
Unstable Range
E
q
u
i
v
a
l
e
nt
S
e
r
i
es
R
e
s
i
s
t
a
n
c
e
(
)
Output Current (mA)
Figure 15. Output Capacitor ESR
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
12
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Typical Performance Characteristics (Continued)
Figure 17. Load Transient
Ou
tput
C
u
rr
ent
Out
put
V
o
lt
age
C
L
=10
F
AZ2940-5.0V
0
200
400
600
800
1000
0.01
0.1
1
10
100
Stable Range
Eq
u
i
va
l
e
n
t
Se
r
i
e
s
R
e
si
st
an
ce
(
)
Output Current (mA)
C
OUT
=10
F
V
OUT
=5V
T
A
=25
O
C
Unstable Range
Figure 18. Load Transient
Figure 19. Line Transient
I
n
put V
o
lt
ag
e
Out
put
V
o
l
t
age
Outp
ut C
u
rrent
Outp
ut V
o
lta
ge
I
OUT
=10mA
C
L
=47
F
AZ2940-5.0V
AZ2940-5.0V
Figure 16. Output Capacitor ESR
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
13
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Typical Performance Characteristics (Continued)
Figure 20. Power Dissipation vs. Case Temperature
-25
0
25
50
75
100
125
0
5
10
15
20
25
30
35
40
45
50
Case Temperature (
o
C)
Power D
i
ss
i
pation
(W
)
Package:TO-220-3
45*43mm
2
Heatsink
No Heatsink
-25
0
25
50
75
100
125
0
5
10
15
20
25
30
35
40
45
50
Case Temperature (
o
C)
Power Di
s
s
i
pat
i
on (W
)
Package:TO-252-2
45*43mm
2
Heatsink
No Heatsink
Figure 21. Power Dissipation vs. Case Temperature
-25
0
25
50
75
100
125
0
5
10
15
20
25
30
35
40
45
50
Case Temperature (
o
C)
Powe
r
Dissipa
t
i
on
(W
)
Package:TO-263-3
45*43mm
2
Heatsink
No Heatsink
Figure 22. Power Dissipation vs. Case Temperature
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
14
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Figure 23. Typical Application of AZ2940
V
IN
V
OUT
GND
+
V
IN
V
OUT
AZ2940
C
IN
C
OUT
1
3
2
+
Typical Application
Note: C
IN
is required if regulator is located far from power supply filter and is recommended to be 0.47
F or greater. To main-
tain stability, C
OUT
is recommended to be 2.2
F or greater. The ESR of this capacitor is critical, please see curve.
Data Sheet
15
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Mechanical Dimensions
TO-220-3
Unit: mm(inch)
3.560(0.140)
1
4
.
2
3
0
(
0
.
5
6
0
)
1.160(0.046)
0.813(0.032)
8.763(0.345)
2.540(0.100)
0.356(0.014)
2.080(0.082)
3
7
3.560(0.140)
7
9.660(0.380)
0.550(0.022)
60
0.381(0.015)
2.580(0.102)
60
8
.
5
2
0
(
0
.
3
3
5
)
1.500(0.059)
0.200(0.008)
1
.
8
5
0
(
0
.
0
7
3
)
2.540(0.100)
0.381(0.015)
0.406(0.016)
3.380(0.133)
10.660(0.420)
4.060(0.160)
1.350(0.053)
2
7
.
8
8
0
(
1
.
0
9
8
)
3
0
.
2
8
0
(
1
.
1
9
2
)
9
.
5
2
0
(
0
.
3
7
5
)
1
6
.
5
1
0
(
0
.
6
5
0
)
4.820(0.190)
2.880(0.113)
1.760(0.069)
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Data Sheet
16
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
Mechanical Dimensions (Continued)
TO-263-3
Unit: mm(inch)
7
3
7
8
.
6
4
0
(
0
.
3
4
0
)
9
.
6
5
0
(
0
.
3
8
0
)
0.990(0.039)
0.510(0.020)
2.540(0.100)
1.150(0.045)
9.650(0.380)
3
14.760(0.581)
8.840(0.348)
2.640(0.104)
0.020(0.001)
8
2
0
6
0.380(0.015)
2
.
3
9
0
(
0
.
0
9
4
)
0.360(0.014)
2.200(0.087)
70
10.290(0.405)
4.070(0.160)
4.820(0.190)
1.390(0.055)
1.150(0.045)
1.390(0.055)
2.540(0.100)
1.270(0.050)
1.390(0.055)
2
.
6
9
0
(
0
.
1
0
6
)
15.740(0.620)
0.250(0.010)
2.700(0.106)
0.400(0.016)
5
.
6
0
0
(
0
.
2
2
0
)
7.420(0.292)
7.980(0.314)
2.540(0.100)
2.540(0.100)
Data Sheet
17
Sep. 2005 Rev. 1. 4
BCD Semiconductor Manufacturing Limited
1A ULTRA LOW DROPOUT LINEAR REGULATOR AZ2940
Mechanical Dimensions (Continued)
TO-252-2
Unit: mm(inch)
1
7
1
.
4
0
0
(
0
.
0
5
5
)
0.020(0.001)
0.460(0.018)
2.240(0.088)
0
.
6
5
0
(
0
.
0
2
6
)
9
.
5
0
0
(
0
.
3
7
4
)
0.750(0.030)
0.640(0.025)
5.230(0.206)
6.380(0.251)
2
.
6
0
0
(
0
.
1
0
2
)
5
.
3
6
0
(
0
.
2
1
1
)
2.180(0.086)
0.600(0.024)
5
5
8
0.400(0.016)
0.510(0.020)
0.480(0.019)
1.080(0.043)
45
6.680(0.263)
0.580(0.023)
2.380(0.094)
5.430(0.214)
0
.
9
5
0
(
0
.
0
3
7
)
1
0
.
1
0
0
(
0
.
3
9
8
)
2.340(0.092)
2.240(0.088)
2.340(0.092)
0.780(0.031)
0.850(0.033)
1
.
7
6
0
(
0
.
0
6
9
)
5
.
5
6
0
(
0
.
2
1
9
)
1.320(0.052)
0.540(0.021)
0.120(0.005)
3
.
0
0
0
(
0
.
1
1
8
)
2.90
3.10
2.90
3.10
IMPORTANT NOTICE
BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifi-
cations herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any
particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use
of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or
other rights nor the rights of others.
- Wafer Fab
Shanghai SIM-BCD Semiconductor Manufacturing Limited
800, Yi Shan Road, Shanghai 200233, China
Tel: +86-21-6485 1491, Fax: +86-21-5450 0008
BCD Semiconductor Manufacturing Limited
MAIN SITE
REGIONAL SALES OFFICE
Shenzhen Office
Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. Shenzhen Office
Advanced Analog Circuits (Shanghai) Corporation Shenzhen Office
27B, Tower C, 2070, Middle Shen Nan Road, Shenzhen 518031, China
Tel: +86-755-8368 3987, Fax: +86-755-8368 3166
Taiwan Office
BCD Semiconductor (Taiwan) Company Limited
4F, 298-1, Rui Guang Road, Nei-Hu District, Taipei,
Taiwan
Tel: +886-2-2656 2808, Fax: +886-2-2656 2806
USA Office
BCD Semiconductor Corporation
3170 De La Cruz Blvd., Suite 105, Santa Clara,
CA 95054-2411, U.S.A
Tel: +1-408-988 6388, Fax: +1-408-988 6386
- IC Design Group
Advanced Analog Circuits (Shanghai) Corporation
8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China
Tel: +86-21-6495 9539, Fax: +86-21-6485 9673
BCD Semiconductor Manufacturing Limited
http://www.bcdsemi.com
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