AP7340

AP7340
150mA HIGH PSRR LOW NOISE LDO WITH ENABLE
Description
Pin Assignments
The AP7340 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 AP7340 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 AP7340 is well suited for low power handheld communication
equipment.
The AP7340 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
Features
Applications
●
Low VIN and wide VIN Range: 1.7V to 5.25V
●
●
Guarantee Output Current,150mA
VOUT accuracy ±1%
●
●
●
●
●
Ripple Rejection 75dB at 1kHz
Low Output Noise, 60uVrms from 10Hz to 100kHz
Quiescent Current as low as 35µA
VOUT fixed 1.1V to 3.3V
Totally Lead-Free & and Fully RoHS Compliant
(Notes 1 & 2)
Halogen and Antimony Free, Green Device (Note 3)







●
Notes:
Smart Phone/PAD
RF Supply
Cameras
Portable Video
Portable Media Player
Wireless Adapter
Wireless Communication
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
VOUT
AP7340
CIN
0.47uF
EN
COUT
0.47uF
GND
Figure 1 Typical Application Circuit
AP7340
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AP7340
Pin Descriptions
Pin Name
PIN No
X2-DFN1010-4
VOUT
1
Power Output Pin
GND
2
EN
3
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
VIN
4
—
Thermal PAD
Function
Power Input Pin
In PCB layout, it is preferred 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
Functional Block Diagram
VOUT
VIN
VOUT
VIN
-
-
+
+
VREF
VREF
Current Limit
Current Limit
EN
GND
EN
AP7340 (non-discharge)
GND
AP7340D (with discharge)
Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.)
Symbol
Ratings
Unit
VIN
Input Voltage
6.0
V
VCE
Input Voltage EN
6.0
V
VOUT
Output Voltage
-0.3 to VIN +0.3
V
IOUT
Output Current
300
mA
PD
Power Dissipation
400
mW
TA
Operating Ambient Temperature
-40 to +85
°C
Storage Temperature
-55 to +125
°C
TSTG
Note:
Parameter
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 is a 2in. x 2in. multi-layer board
with 1oz. internal power and ground planes and 2oz. copper traces on the top and bottom of the board.
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
Parameter
VIN
Input Voltage
IOUT
Output Current
TA
Operating Ambient Temperature
AP7340
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Min
Max
Unit
1.7
5.25
V
0
150
mA
-40
+85
°C
April 2015
© Diodes Incorporated
AP7340
Electrical Characteristics
(VEN = VIN = VOUT +1.0V, CIN = COUT = 0.47µF, IOUT = 1.0mA @TA = +25°C, unless otherwise specified.)
Parameter
Min
Typ
Max
Units
1.7
—
5.25
V
-1
—
1
-1.5
—
+1.5
Line Regulation (dVOUT/dVIN/VOUT) VIN = (VOUT – Nom +1.0V) to 5.25V, IOUT = 1.0mA
—
0.02
0.1
%/V
Load Regulation
(dVOUT/VOUT/dIOUT)
VIN = VOUT - Nom +1.0V, IOUT = 1mA to 150mA
—
0.5
1.0
%/A
Quiescent Current
(Note 6)
IOUT = 0mA
—
35
50
IOUT = 150mA
—
60
100
ISTANDBY
VEN = 0V (Disabled)
—
0.01
1.0
μA
150
—
—
mA
—
55
—
mA
—
75
—
dB
—
60
—
µVrms
1.1V ≤ VOUT < 1.5V
—
0.50
0.62
1.5V ≤ VOUT < 1.7V
—
0.38
0.47
1.7V ≤ VOUT < 2.0V
—
0.34
0.42
2.0V ≤ VOUT < 2.5V
—
0.28
0.36
2.5V ≤ VOUT < 2.8V
—
0.22
0.30
2.8V ≤ VOUT ≤ 3.3V
—
0.21
0.27
—
±30
—
ppm/°C
Input Voltage
Output Voltage Accuracy (Note 11)
Conditions
TA = -40°C to +85°C
TA = +25°C
VIN = (VOUT – Nom +1.0V) to
5.25V, IOUT = 1mA to 150mA
TA = -40°C to +85°C
—
Output Current
Fold-back Short Current (Note 7)
VOUT short to ground
PSRR (Note 8)
VIN = [VOUT+1V] VDC + 0.2Vp-pAC,
VOUT ≥1.8V,
IOUT = 30mA
Output Noise Voltage (Note 8)
(Note 9)
BW = 10Hz to 100kHz, IOUT = 30mA
Dropout Voltage
(Note 5)
Output Voltage Temperature
Coefficient
IOUT = 150mA
f = 1kHz
IOUT = 30mA, TA = -40°C to +85°C
%
μA
V
EN Input Low Voltage
—
0
—
0.5
V
EN Input High Voltage
—
1.3
—
5.25
V
-1.0
—
+1.0
µA
—
30
—
Ω
EN Input Leakage
VEN = 0, VIN = 5.0V or VEN = 5.0V, VIN = 0V
On Resistance of N-channel for
Auto-Discharge (Note 10)
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 as 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. AP7340 has 2 options for output, built-in discharge and non-discharge.
11. Potential multiple grades based on following output voltage accuracy.
AP7340
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AP7340
Typical Characteristics
Output Noise (AP7340-33)
AP7340
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AP7340
Typical Characteristics (cont.)
AP7340
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AP7340
Typical Characteristics (cont.)
AP7340
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AP7340
Typical Characteristics (cont.)
AP7340
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AP7340
Typical Characteristics (cont.)
AP7340-33
3
2.520
Output Voltage
2.500
2.480
5
4
Input Voltage
3.320
Output Voltage
3.300
3.280
20
40
60
80
100
0
20
Time t (µs)
VIN=3.5V
tr=tf=0.5µs
AP7340-33
100
Output Current
50mA  100mA
50
0
2.35
Output Current I OUT (mA)
150
2.50
Output Voltage
2.45
60
80
100
Time t (µs)
VIN=4.3V
tr=tf=0.5µs
150
Output Voltage V OUT (V)
Output Voltage V OUT (V)
AP7340-25
40
100
Output Current
50mA  100mA
50
0
3.35
3.30
3.25
Output Voltage
Output Current I OUT (mA)
0
3.20
2.40
20
40
60
80
100
0
20
Time t (µs)
60
80
100
Time t (µs)
VIN=3.5V
tr=tf=0.5µs
AP7340-33
150
Output Current
1mA  150mA
0
2.70
Output Current I OUT (mA)
300
Output Voltage V OUT (V)
Output Voltage V OUT (V)
AP7340-25
40
VIN=4.3V
tr=tf=0.5µs
300
150
Output Current
1mA  150mA
0
3.50
3.30
2.50
Output Voltage
3.10
Output Voltage
2.30
Output Current I OUT (mA)
0
2.10
Input Voltage V IN (V)
4
Input Voltage
Input Voltage V IN (V)
5
6
Output Voltage V OUT (V)
Output Voltage V OUT (V)
AP7340-25
2.90
0
20
40
60
80
0
100
Time t (µs)
AP7340
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20
40
60
80
100
Time t (µs)
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AP7340
Typical Characteristics (cont.)
AP7340-25
IOUT=0mA
IOUT=30mA
3
3
2
2
CE Input Voltage
CE Input Voltage
2
1
Output Voltage
0
40
80
120
160
0
3
2
1
Output Voltage
0
0
200
40
120
160
200
Time t (µs)
Time t (µs)
AP7340-25
80
AP7340-33
IOUT=150mA
3
IOUT=0mA
3
2
2
CE Input Voltage
0
3
2
1
Output Voltage
0
0
40
80
120
160
1
Output Voltage V OUT (V)
Output Voltage V OUT (V)
1
CE Input Voltage V CE (V)
CE Input Voltage
0
3
2
1
Output Voltage
0
200
0
40
Time t (µs)
AP7340-33
80
120
AP7340-33
IOUT=30mA
CE Input Voltage
2
1
Output Voltage
CE Input Voltage V CE (V)
Output Voltage V OUT (V)
3
Output Voltage V OUT (V)
1
1
0
0
3
2
1
Output Voltage
0
0
40
80
120
160
IOUT=150mA
3
2
2
CE Input Voltage
0
200
Time t (µs)
3
0
160
CE Input Voltage V CE (V)
0
Output Voltage V OUT (V)
3
CE Input Voltage V CE (V)
Output Voltage V OUT (V)
0
CE Input Voltage V CE (V)
1
1
40
80
120
160
CE Input Voltage V CE (V)
AP7340-25
200
200
Time t (µs)
Time t (µs)
AP7340
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AP7340
Typical Characteristics (cont.)
AP7340-18
IOUT=0mA
AP7340-18
IOUT=30mA
6
66
4
CE Input Voltage
2
Output Voltage
1
0
80
120
160
3
2
Output Voltage
1
0
200
0
40
80
Time t (µs)
AP7340-18
120
160
200
Time t (µs)
AP7340-33
IOUT=150mA
6
IOUT=0mA
6
4
4
CE Input Voltage
CE Input Voltage
2
0
3
2
Output Voltage
1
0
0
40
80
120
160
Output Voltage V OUT (V)
4
CE Input Voltage V CE (V)
Output Voltage V OUT (V)
2
4
0
3
2
Output Voltage
1
0
0
200
40
120
AP7340-33
IOUT=30mA
6
0
3
2
Output Voltage
1
0
80
120
160
200
Output Voltage V OUT (V)
2
CE Input Voltage V CE (V)
Output Voltage V OUT (V)
4
4
0
3
2
Output Voltage
1
0
0
Document number: DS35282 Rev. 5 - 2
40
80
120
160
200
Time t (µs)
Time t (µs)
AP7340
IOUT=150mA
6
CE Input Voltage
2
40
200
4
4
CE Input Voltage
0
160
Time t (µs)
Time t (µs)
AP7340-33
80
CE Input Voltage V CE (V)
40
0
CE Input Voltage V CE (V)
0
4
CE Input Voltage V CE (V)
3
2
Output Voltage V OUT (V)
0
CE Input Voltage V CE (V)
Output Voltage V OUT (V)
4
4
CE Input Voltage
2
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AP7340
Application Information
Output Capacitor
An output capacitor (COUT) is needed to improve transient response and maintain stability. The AP7340 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 (C IN). 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 AP7340 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 overcurrent and damage due to overheating.
Layout Considerations
For good ground loop and stability, the input and output capacitors should be located close to the Vin, Vout, and Gnd pins of the device. The
regulator Gnd 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
AP7340
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AP7340
Ordering Information (Note 12)
Part Number
Package
Code
Packaging
AP7340-XXFS4-7/7R
AP7340D-XXFS4-7/7R
FS4
FS4
X2-DFN1010-4
X2-DFN1010-4
Note:
Quantity
7” Tape and Reel
Part Number Suffix
5,000/Tape & Reel
5,000/Tape & Reel
-7/7R
-7/7R
12. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
Marking Information
X2-DFN1010-4
(Top View)
XX
YWX
XX : Identification Code
Y : Year : 0~9
W : Week : A~Z : 1~26 week;
a~z : 27~52 week; z represents
52 and 53 week
X : A~Z : Internal code
Part Number
Package
Identification Code
AP7340-11FS4-7
AP7340-12FS4-7
AP7340-135FS4-7
AP7340-15FS4-7
AP7340-18FS4-7
AP7340-185FS4-7
AP7340-22FS4-7
AP7340-23FS4-7
AP7340-25FS4-7
AP7340-26FS4-7
AP7340-28FS4-7
AP7340-285FS4-7
AP7340-295FS4-7
AP7340-30FS4-7
AP7340-31FS4-7
AP7340-32FS4-7
AP7340-33FS4-7
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
EA
CH
UP
CJ
CK
EV
CQ
CV
CM
S2
CN
EW
6A
EX
EY
EZ
CP
AP7340
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AP7340
Marking Information (cont.)
Part Number
Package
Identification Code
AP7340D-11FS4-7
AP7340D-12FS4-7
AP7340D-135FS4-7
AP7340D-15FS4-7
AP7340D-18FS4-7
AP7340D-185FS4-7
AP7340D-22FS4-7
AP7340D-23FS4-7
AP7340D-25FS4-7
AP7340D-26FS4-7
AP7340D-28FS4-7
AP7340D-285FS4-7
AP7340D-295FS4-7
AP7340D-30FS4-7
AP7340D-31FS4-7
AP7340D-32FS4-7
AP7340D-33FS4-7
AP7340-11FS4-7R
AP7340-12FS4-7R
AP7340-135FS4-7R
AP7340-15FS4-7R
AP7340-18FS4-7R
AP7340-185FS4-7R
AP7340-22FS4-7R
AP7340-23FS4-7R
AP7340-25FS4-7R
AP7340-26FS4-7R
AP7340-28FS4-7R
AP7340-285FS4-7R
AP7340-295FS4-7R
AP7340-30FS4-7R
AP7340-31FS4-7R
AP7340-32FS4-7R
AP7340-33FS4-7R
AP7340D-11FS4-7R
AP7340D-12FS4-7R
AP7340D-135FS4-7R
AP7340D-15FS4-7R
AP7340D-18FS4-7R
AP7340D-185FS4-7R
AP7340D-22FS4-7R
AP7340D-23FS4-7R
AP7340D-25FS4-7R
AP7340D-26FS4-7R
AP7340D-28FS4-7R
AP7340D-285FS4-7R
AP7340D-295FS4-7R
AP7340D-30FS4-7R
AP7340D-31FS4-7R
AP7340D-32FS4-7R
AP7340D-33FS4-7R
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
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
X2-DFN1010-4
EC
DG
UR
DH
DJ
DV
D8
D9
DK
S3
DM
DW
7A
DX
DY
DZ
DN
2A
2B
2T
2C
2D
2E
2F
2G
2H
2J
2K
2M
2U
2N
2P
2R
2S
3A
3B
3T
3C
3D
3E
3F
3G
3H
3J
3K
3M
3U
3N
3P
3R
3S
AP7340
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AP7340
Package Outline Dimensions (All dimensions in mm.)
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
A3
A1
A
Seating Plane
D
.25
L1
C0
.18
C0
(3x
)
e
E
E2
L
D
L2
2
b
Z
X2-DFN1010-4
Dim
Min
Max
Typ
A
0.40
0.39
A1
0.00
0.05
0.02
A3
0.13
b
0.20
0.30
0.25
D
0.95
1.05
1.00
D2
0.38
0.58
0.48
E
0.95
1.05
1.00
E2
0.38
0.58
0.48
e
0.65
L
0.20
0.30
0.25
L1
0.27
0.37
0.32
L2
0.02
0.12
0.07
Z
0.050
All Dimensions in mm
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
X2
C
Dimensions
Y2
Y1
Y3
X3
Y4
X1
Y5
Y
C
X
X1
X2
X3
Y
Y1
Y2
Y3
Y4
Y5
Value
(in mm)
0.650
0.250
0.480
0.900
0.070
0.400
0.470
0.220
0.480
1.300
0.180
X
AP7340
Document number: DS35282 Rev. 5 - 2
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AP7340
Tape Orientation
For AP7340-XXFS4-7& AP7340D-XXFS4-7
XX
XX
XX
XX
YWX
XX
YWX
For AP7340-XXFS4-7R& AP7340D-XXFS4-7R
XX
YWX
Pin 1
Note:
13. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf.
AP7340
Document number: DS35282 Rev. 5 - 2
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AP7340
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 © 2015, Diodes Incorporated
www.diodes.com
AP7340
Document number: DS35282 Rev. 5 - 2
16 of 16
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April 2015
© Diodes Incorporated
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