AP7341D-33FS4-7 [DIODES]
300mA HIGH PSRR LOW NOISE LDO WITH ENABLE;型号: | AP7341D-33FS4-7 |
厂家: | DIODES INCORPORATED |
描述: | 300mA HIGH PSRR LOW NOISE LDO WITH ENABLE |
文件: | 总14页 (文件大小:1053K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
AP7341
300mA HIGH PSRR LOW NOISE LDO WITH ENABLE
Description
Pin Assignments
The AP7341 is a low dropout regulator with high output voltage
accuracy, low RDSON, high PSRR, low output noise and low quiescent
current. This regulator is based on a CMOS process.
The AP7341 includes a voltage reference, error amplifier, current limit
circuit and an enable input to turn it on and off. With the integrated
resistor network fixed output voltage versions can be delivered.
With its low power consumption and line and load transient response
the AP7341 is well suited for low power handheld communication
equipment.
The AP7341 is packaged in an X2-DFN1010-4 package and allows
for smallest footprint and dense PCB layout.
PIN1 – VOUT, PIN2 – GND, PIN3 – EN, PIN4 – VIN
Applications
Features
Smart Phone/Pad
RF Supply
Low VIN and Wide VIN Range: 1.7V to 5.25V
Guarantee Output Current,150mA
Cameras
VOUT Accuracy ±1%
Portable Video
Ripple Rejection 75dB at 1kHz
Portable Media Player
Wireless Adapter
Wireless Communication
Low Output Noise, 60µVrms from 10Hz to 100kHz
Quiescent Current as Low as 35µA
VOUT Fixed 1.1V to 3.3V
●
Totally Lead-Free & and Fully RoHS Compliant (Note 1)
Halogen and Antimony Free, Green Device (Note 2)
●
.
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free,"Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Typical Applications Circuit
VIN
VOUT
VIN
EN
VOUT
AP7341
GND
COUT
1.0uF
CIN
1.0uF
Figure 1 Typical Application Circuit
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Pin Descriptions
Pin Number
X2-DFN1010-4
Function
1
2
VOUT
GND
Power Output pin
Ground
Enable pin. This pin should be driven either high or low and must not be floating. Driving this pin
high enables the regulator, while pulling it low puts the regulator into shutdown mode
3
4
EN
VIN
Power Input pin
In PCB layout, prefer to use large copper area to cover this pad for better thermal dissipation,
then connect this area to GND or leave it open. However do not use it as GND electrode function
alone.
—
Thermal Pad
Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.)
Symbol
VIN
Parameter
Ratings
6.0
Unit
V
Input Voltage
VCE
Input Voltage EN
Output Voltage
Output Current
Power Dissipation
6.0
V
VOUT
IOUT
PD
-0.3 to VIN +0.3
400
V
mA
400
mW
°C
TA
Operating Temperature
Storage Temperature
-40 to +85
-55 to +125
TSTG
°C
Note:
4. a). Stresses beyond 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 conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device
reliability.
b). Ratings apply to ambient temperature at 25°C . The JEDEC High-K board design used to derive this data was a 2 inch x 2 inch multilayer board with 1-
ounce internal power and ground planes and 2-ounce copper traces on the top and bottom of the board.
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
VIN
Parameter
Min
1.7
0
Max
5.25
300
+85
Unit
V
Input Voltage
Output Current
mA
°C
IOUT
TA
Operating Ambient Temperature
-40
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Electrical Characteristics (@TA = +25°C, VEN = VOUT +1.0V, CIN = COUT = 1.0µF, IOUT = 1.0mA, unless otherwise specified.)
Parameter
Input Voltage
Conditions
Min
1.7
-1
Typ
—
Max
5.25
1
Units
V
TA = -40°C to +85°C
—
TA = +25°C
VIN = (VOUT-Nom+1.0V) to
Output Voltage Accuracy (Note 11)
%
5.25V, IOUT = 1mA to 150mA
-1.5
—
+1.5
0.1
TA = -40°C to +85°C
—
0.02
%/V
Line Regulation (dVOUT/dVIN/VOUT
)
VIN = (VOUT-Nom+1.0V) to 5.25V, IOUT = 1.0mA
—
—
15
35
30
50
1.0
—
mV
uA
Load Regulation (dVOUT/VOUT
Quiescent Current (Note 6)
)
VIN = VOUT-Nom+1.0V, IOUT = 1mA to 300mA
IOUT = 0mA
—
0.01
—
uA
ISTANDBY
VEN = 0V (Disabled)
Output Current
—
300
—
mA
mA
Fold-back Short Current (Note 7)
55
—
VOUT short to ground
VIN = [VOUT +1V] VDC +0.2Vp-pAC,
PSRR (Note 8)
f = 1kHz
—
75
—
dB
VOUT ≥ 1.8V,
IOUT = 30mA
Output Noise Voltage (Notes 8 & 9)
—
—
—
—
—
—
—
—
—
—
60
—
µVrms
BW = 10Hz to 100kHz, IOUT = 30mA
0.50
0.38
0.34
0.28
0.22
0.21
0.50
0.37
0.30
0.62
0.47
0.42
0.36
0.30
0.27
0.65
0.48
0.40
1.1V ≤ VOUT < 1.5V
1.5V ≤ VOUT < 1.7V
1.7V ≤ VOUT < 2.0V
2.0V ≤ VOUT < 2.5V
2.5V ≤ VOUT < 2.8V
2.8V ≤ VOUT ≤ 3.3V
VOUT = 1.8V
IOUT = 150mA
Dropout Voltage
(Note 5)
V
IOUT = 300mA
VOUT = 2.5V
VOUT = 3.3V
Output Voltage Temperature
Coefficient
—
±30
—
ppm/°C
IOUT = 30mA, TA = -40°C to +85°C
EN Input Low Voltage
EN Input High Voltage
EN Input Leakage
—
—
0
—
—
—
0.5
V
V
1.3
-1.0
5.25
+1.0
µA
VEN = 0, VIN = 5.0V or VEN = 5.0V, VIN = 0V
On Resistance of N-Channel for
Auto-Discharge (Note 10)
—
30
—
Ω
VIN = 4.0V VEN = 0V (Disabled)
Notes:
5. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value.
6. Quiescent current is defined here is the difference in current between the input and the output.
7. Short circuit current is measured with VOUT pulled to GND.
8. This specification is guaranteed by design.
9. To make sure lowest environment noise minimizes the influence on noise measurement.
10. AP7341 has 2 options for output, Built-in discharge and non-discharge
11. Potential multiple grades based on following output voltage accuracy.
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Typical Characteristics
Output Voltage vs. Output Current
AP7341-18
Output Voltage vs. Output Current
AP7341-25
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
VIN=2.8
V
VIN=3.6
V
VIN=4.2
V
VIN=5V
VIN=5.5
V
VIN=3.5V
VIN=4.2V
VIN=5V
VIN=5.5V
0
100
200
300
400
500
0
100
200
300
400
500
Output Current I OUT (mA)
Output Current I OUT (mA)
Output Noise (AP7341-33)
Output Voltage vs. Output Current
AP7341-33
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
VIN=4.3V
VIN=5V
VIN=5.5V
0
100
200
300
400
500
Output Current I OUT (mA)
Output Voltage vs. Intput Voltage
Output Voltage vs. Intput Voltage
AP7341-25
AP7341-33
3.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
IOUT=1mA
IOUT=30mA
IOUT=50mA
IOUT=1mA
IOUT=30m
A
IOUT=50m
0
1
2
3
4
5
0
1
2
3
A4
5
Input Voltage V IN (V)
Input Voltage V IN (V)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Typical Characteristics (cont.)
Supply Current vs. Input Voltage
Supply Current vs. Input Voltage
AP7341-33
AP7341-25
50
40
30
20
10
0
50
40
30
20
10
0
0
1
2
3
4
5
0
1
2
3
4
5
Input Voltage V IN (V)
Input Voltage V IN (V)
Supply Current vs. Temperature
Supply Current vs. Temperature
AP7340-25
AP7341-33
40
38
36
34
32
30
40
38
36
34
32
30
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt (℃)
Temperature Topt (℃)
Output Voltage vs. Temperature
Output Voltage vs. Temperature
AP7341-25
AP7341-33
2.55
2.54
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
3.26
3.25
-50
-25
0
25
50
75
100
-50
-25
0
25
50
75
100
Temperature Topt (℃)
Temperature Topt (℃)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Typical Characteristics (cont.)
Dropout Voltage vs. Output Current
Dropout Voltage vs. Temperature
AP7341-18
AP7341-18
650
600
550
500
450
400
350
300
250
200
150
100
50
650
600
550
500
450
400
350
300
250
200
150
100
50
50mA
150mA
300mA
85℃
25℃
-40℃
0
0
0
50
100 150 200 250 300
-50
-25
0
25
50
75
100
Output Current I OUT (mA)
Temperature Topt (℃)
Dropout Voltage vs. Output Current
Dropout Voltage vs. Temperature
AP7341-25
AP7341-25
50mA
150mA
300mA
500
450
400
350
300
250
200
150
100
50
500
450
400
350
300
250
200
150
100
50
85℃
25℃
-40℃
0
0
-50
-25
0
25
50
75
100
0
50
100 150 200 250 300
Output Current I OUT (mA)
Temperature Topt (℃)
Dropout Voltage vs. Output Current
Dropout Voltage vs. Temperature
AP7341-33
AP7341-33
50mA
150mA
300mA
450
400
350
300
250
200
150
100
50
500
450
400
350
300
250
200
150
100
50
85℃
25℃
-40℃
0
0
-50
-25
0
25
50
75
100
0
50
100 150 200 250 300
Output Current I OUT (mA)
Temperature Topt (℃)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Typical Characteristics (cont.)
Ripple Rejection vs. Input Bias
Ripple Rejection vs. Input Bias Voltage
IOUT=30mA
IOUT=1m
A
Voltage
AP7341-28
AP7341-28
90
80
70
60
50
40
30
20
10
0
90
80
70
60
50
40
30
20
10
0
1KHz
10KHz
100KH
z
1KHz
10KHz
100KHz
2.8
3.3
3.8
4.3
4.8
5.3
2.8
3.3
3.8
4.3
4.8
5.3
Input Voltage V IN (V)
Input Voltage V IN (V)
Ripple Rejection vs. Frequency
Ripple Rejection vs. Frequency
AP7341-18
AP7341-25
100
120
IOUT=1mA
IOUT=30mA
IOUT=150mA
IOUT=1mA
IOUT=30mA
IOUT=150mA
90
80
70
60
50
40
30
20
10
0
100
80
60
40
20
0
100
1000
10000 100000 1000000
Frequency f (Hz)
100
1000
10000
100000 1000000
Frequency f (Hz)
Ripple Rejection vs. Frequency
AP7341-33
120
100
80
60
40
20
0
IOUT=1mA
IOUT=30mA
IOUT=150mA
100
1000
10000
100000 1000000
Frequency f (Hz)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Typical Characteristics (cont.)
AP7341-25
AP7341-33
6
5
4
5
4
3
Input Voltage
Input Voltage
2.520
3.320
3.300
3.280
Output Voltage
Output Voltage
2.500
2.480
0
20
40
60
80
100
0
20
40
60
80
100
Time t (µs)
Time t (µs)
VIN=4.3V
tr=tf=0.5µs
VIN=3.5V
tr=tf=0.5µs
AP7341-33
AP7341-25
300
150
0
300
150
0
Output Current
1mA 150mA
Output Current
1mA 150mA
3.50
2.70
2.50
2.30
2.10
3.30
3.10
2.90
Output Voltage
Output Voltage
0
20
40
60
80
100
0
20
40
60
80
100
Time t (µs)
Time t (µs)
VIN=3.5V
tr=tf=0.5µs
VIN=4.3V
tr=tf=0.5µs
AP7341-25
AP7341-33
600
600
300
0
300
0
Output Current
1mA 300mA
Output Current
1mA 300mA
2.70
3.50
3.30
3.10
2.90
2.50
2.30
2.10
Output Voltage
Output Voltage
0
20
40
60
80
100
0
20
40
60
80
100
Time t (µs)
Time t (µs)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Typical Characteristics (cont.)
AP7341-18
AP7341-25
6
4
6
4
2
0
2
0
CE Input Voltage
Output Voltage
CE Input Voltage
3
3
2
1
0
Output Voltage
2
1
0
IOUT=0mA
IOUT=30mA
IOUT=300mA
IOUT=0mA
IOUT=30mA
IOUT=300mA
0
80
160
240
320
0
80
160
240
320
Time t (µs)
Time t (µs)
AP7341-33
6
4
6
4
Input Voltage
CE Input Voltage
Output Voltage
2
0
2
0
4
3
2
IOUT=0mA
IOUT=30mA
IOUT=300mA
3
2
1
0
VoltageOutput
IOUT=0mA
IOUT=30mA
IOUT=300mA
1
0
0
80
160
240
320
0
200
400
600
800
Time t (µs)
(µs)Time t
AP7341-33AP7341-18
CE Input VoltageCE
AP7341-25 (Non-discharge version)
CE Input Voltage
6
4
6
4
2
0
2
0
4
3
2
4
3
2
1
IOUT=0mA
IOUT=30mA
IOUT=300mA
IOUT=0mA
Output
Output Voltage
1
0
0
0
200
400
600
800
0
4
8
12
16
20
Time t
Time t (s)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Application Information
Output Capacitor
An output capacitor (COUT) is needed to improve transient response and maintain stability. The AP7341 is stable with very small ceramic output
capacitors. The ESR (equivalent series resistance) and capacitance drives the selection. If the application has large load variations, it is
recommended to utilize low-ESR bulk capacitors. It is recommended to place ceramic capacitors as close as possible to the load and the ground
pin and care should be taken to reduce the impedance in the layout.
Input Capacitor
To prevent the input voltage from dropping during load steps it is recommended to utilize an input capacitor (CIN). A minimum 0.47μF ceramic
capacitor is recommended between VIN and GND pins to decouple input power supply glitch. This input capacitor must be located as close as
possible to the device to assure input stability and reduce noise. For PCB layout, a wide copper trace is required for both VIN and GND pins.
Enable Control
The AP7341 is turned on by setting the EN pin high, and is turned off by pulling it low. If this feature is not used, the EN pin should be tied to VIN pin
to keep the regulator output on at all time. To ensure proper operation, the signal source used to drive the EN pin must be able to swing above and
below the specified turn-on/off voltage thresholds listed in the Electrical Characteristics section.
Short Circuit Protection
When VOUT pin is short-circuit to GND, short circuit protection will be triggered and clamp the output current to approximately 60mA. This feature
protects the regulator from over-current and damage due to overheating.
Layout Considerations
For good ground loop and stability, the input and output capacitors should be located close to the input, output, and ground pins of the device. The
regulator ground pin should be connected to the external circuit ground to reduce voltage drop caused by trace impedance. Ground plane is
generally used to reduce trace impedance. Wide trace should be used for large current paths from VIN to VOUT, and load circuit.
ESR vs. Output Current
Ceramic type output capacitor is recommended for this series; however, the other output capacitors with low ESR also can be used. The relations
between IOUT (Output Current) and ESR of an output capacitor are shown below. The stable region is marked as the hatched area in the graph.
Measurement conditions: Frequency Band : 10Hz to 2MHz, Temperature: −40°C to +85°C
ESR vs. Output Current
ESR vs. Output Current
AP7341-18
AP7341-33
100
10
100
10
1
1
0.1
0.1
0.01
0.001
0.01
0.001
0
50
100
150
200
250
300
0
50
100 150 200 250 300
Output Current IOUT (mA)
Output Current IOUT (mA)
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Ordering Information (Note 12)
7” Tape and Reel
Part Number Suffix
Package
Part Number
Code
Packaging
Quantity
AP7341-XXFS4-7
AP7341D-XXFS4-7
FS4
FS4
X2-DFN1010-4
X2-DFN1010-4
5000/Tape & Reel
5000/Tape & Reel
-7
-7
Note:
12. For packaging details, go to our website at http://www.diodes.com/products/packages.html
Marking Information
(1) X2-DFN1010-4
(Top View)
XX : Identification Code
Y : Year : 0~9
XX
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
Y W X
X : A~Z : Internal code
Part Number
AP7341-11FS4-7
AP7341-12FS4-7
AP7341-15FS4-7
AP7341-18FS4-7
AP7341-185FS4-7
AP7341-22FS4-7
AP7341-25FS4-7
AP7341-28FS4-7
AP7341-285FS4-7
AP7341-30FS4-7
AP7341-31FS4-7
AP7341-32FS4-7
AP7341-33FS4-7
AP7341D-11FS4-7
AP7341D-12FS4-7
AP7341D-15FS4-7
AP7341D-18FS4-7
AP7341D-185FS4-7
AP7341D-22FS4-7
AP7341D-25FS4-7
AP7341D-28FS4-7
AP7341D-285FS4-7
AP7341D-30FS4-7
AP7341D-31FS4-7
AP7341D-32FS4-7
AP7341D-33FS4-7
Package
X2-DFN1010-4
Identification Code
TF
T2
T3
T4
T5
TH
T6
T7
T8
T9
TC
TD
TE
UF
U2
U3
U4
U5
UH
U6
U7
U8
U9
UC
UD
UE
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
X2-DFN1010-4
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AP7341
Document number: DS36523 Rev. 4 - 2
AP7341
Package Outline Dimensions (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for latest version.
A3
A1
A
X2-DFN1010-4
Seating Plane
Dim
A
A1
A3
b
D
D2
E
E2
e
L
L1
L2
Z
Min
-
0.00
-
Max
0.40
0.05
-
0.30
1.05
0.58
1.05
0.58
-
Typ
0.39
0.02
0.13
0.25
1.00
0.48
1.00
0.48
0.65
0.25
0.32
0.07
0.050
D
e
0.20
0.95
0.38
0.95
0.38
-
0.20
0.27
0.02
-
C0.2
L1
5
E
L2
E2
0.30
0.37
0.12
-
L
All Dimensions in mm
b
Z
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
X2
C
Value
Dimensions
(in mm)
Y2
C
X
0.650
0.250
0.480
0.900
0.400
0.470
0.220
0.480
1.300
Y1
Y3
X1
X2
Y
Y4
Y1
Y2
Y3
Y4
X1
Y
X
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© Diodes Incorporated
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Document number: DS36523 Rev. 4 - 2
AP7341
Tape Orientation
For X2-DFN1010-4
Note:
13. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf
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Document number: DS36523 Rev. 4 - 2
AP7341
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2014, Diodes Incorporated
www.diodes.com
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© Diodes Incorporated
AP7341
Document number: DS36523 Rev. 4 - 2
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