DIODES AP7165_10

AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Description
Pin Assignments
( Top View )
The AP7165 is a 600mA, adjustable output voltage, ultra-low
dropout linear regulator. The device includes pass element,
error amplifier, band-gap reference, current limit and thermal
shutdown circuitry. The device is turned on when EN pin is
set to logic high level. A Power-OK (POK) output is available
for power sequence control.
IN
1
10
OUT
IN
2
9
OUT
POK
3
8
FB
NC
4
7
NC
EN
5
6
GND
The characteristics of the low dropout voltage and low
quiescent current make it suitable for low to medium power
applications, for example, laptop computers, audio and video
applications, and battery powered devices. The typical
quiescent current is approximately 125µA.
DFN3030-10
Built-in current-limit and thermal-shutdown functions prevent
IC from damage in fault conditions. The AP7165 are available
in DFN3030-10 and SOP-8L-EP packages.
( Top View )
IN
1
8
OUT
IN
2
7
OUT
POK
3
6
FB
EN
4
5
GND
Features
•
•
•
•
•
•
•
•
•
•
•
•
•
Wide input voltage range: 2.2V – 5.5V
300mV very low dropout at 500mA load
Very low quiescent current (IQ): 125µA typical
Adjustable output voltage range: 0.8V to 5.0V
Very fast transient response
High PSRR
Accurate voltage regulation
Current limiting and short circuit protection
Thermal shutdown protection
Stable with any type output capacitor ≥ 4.7µF
Ambient temperature range -40ºC to 85°C
DFN3030-10 and SOP-8L-EP: Available in “Green”
Molding Compound (No Br, Sb)
Lead Free Finish/RoHS Compliant (Note 1)
Notes:
SOP-8L-EP
Applications
•
•
•
•
•
•
Servers and laptops
Smart phone and PDA
MP3/MP4
Bluetooth headset
Low and medium power applications
FPGA and DSP core or I/O power
1. EU Directive 2002/95/EC (RoHS). All applicable RoHS exemptions applied. Please visit our website at
http://www.diodes.com/products/lead_free.html.
AP7165
Document number: DS31270 Rev. 6 - 2
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Typical Application Circuit
VIN
VOUT
IN
OUT
100kOhm
R1
AP7165
1µF
POK
10µF
FB
R2
Enable
EN
GND
⎛
R ⎞
VOUT = VREF ⎜⎜1 + 1 ⎟⎟
R
2⎠
⎝
Pin Descriptions
Name
Pin #
DFN3030-10
SOP-8L-EP
IN
1, 2
1, 2
POK
EN
GND
FB
3
5
6
8
3
4
5
6
OUT
9, 10
7, 8
NC
4, 7
NA
AP7165
Document number: DS31270 Rev. 6 - 2
Description
Voltage input pins, to be tied together externally. Bypass to ground
through at least 1µF capacitor.
Power-OK output, active-high open-drain.
Enable input, active high.
Ground.
Output feedback.
Voltage output pins, to be tied together externally. Bypass to ground
through at least 4.7µF ceramic capacitor.
No connection.
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Functional Block Diagram
IN
OUT
Gate
Driver
EN
Current Limit
and Thermal
Shutdown
FB
0.8V
POK
0.744V
GND
Absolute Maximum Ratings
Symbol
Parameter
ESD HBM
Human Body Model ESD Protection
ESD MM
Machine Model ESD Protection
VIN
Input Voltage
OUT, FB, POK, EN Voltage
Continuous Load Current
TJmax
Notes:
Ratings
Unit
4
KV
300
V
7
V
VIN + 0.3
V
Internal Limited
Maximum Junction Temperature
TST
Storage Temperature Range
PD
Power Dissipation
150
°C
-65 ~150
°C
DFN3030-10 (Note 2, 4)
3.1
W
SOP-8L-EP (Note 2, 5)
4.0
W
2. Ratings apply to ambient temperature at 25°C
Recommended Operating Conditions
Symbol
VIN
IOUT
TA
Parameter
Input voltage
Output Current
Operating Ambient Temperature
AP7165
Document number: DS31270 Rev. 6 - 2
3 of 14
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Min
2.2
0
-40
Max
5.5
600
85
Unit
V
mA
°C
September 2010
© Diodes Incorporated
AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Electrical Characteristics
(TA = 25oC, VIN = VOUT +1V, CIN = 1µF, COUT = 10µF, VEN = VIN, unless otherwise stated)
Symbol
IQ
ISHDN
VROPOUT
VREF
IFB
VOUT
ΔVOUT
/ VOUT
ΔVIN
ΔVOUT / VOUT
tST
PSRR
ILIMIT
ISHORT
VIL
VIH
IEN
VOL
VPOK_TH_UP
VPOK Hys
POK deglitch
IPOK LK
TSHDN
THYS
Parameter
Input Quiescent Current
Input Shutdown Current
Dropout Voltage
FB reference voltage
FB leakage
Output Voltage Total Accuracy
Line Regulation
Load Regulation
Start-up Time, from EN high to POK
high
Power Supply Rejection Ratio
Current limit
Short-circuit Current
EN Input Logic Low Voltage
EN Input Logic High Voltage
EN Input leakage
POK output low voltage
Test Conditions
IOUT = 0
VEN = 0V, IOUT = 0 (Note 3)
VOUT ≥ 1.5V, IOU T = 500mA
Typ.
Max
Unit
⎯
-1
125
0.01
300
0.8
0.01
170
1
400
µA
µA
mV
V
µA
%
⎯
-2.5
VIN = VOUT +1V to 5.5V,
IOUT = 1mA
IOUT from 1mA to 500mA
VEN = 0V to 2.0V, IOUT =
100mA, VIN = 3.3V
1kHz, VIN = 3.3V, VOUT = 1.2V,
IOUT = 0mA
VOUT = 1.8V, ROUT = 0.5Ω
VIN = 3.3V, VOUT < 0.2V
1
2.5
0.015
-1.0
600
%/V
1.0
%
170
µs
60
dB
950
380
0.01
100
1
200
mA
mA
V
V
µA
mV
87%
92%
97%
Vref
⎯
4%
150
0.01
150
25
1
Vref
µs
µA
°C
°C
0.4
VEN = 0V or 5.5V
Force 2mA
FB (or OUT for fixed version)
Output voltage (rising) POK threshold
rising
Output voltage POK hysteresis
VIN = 3.3V, VOUT = 1.2V
POK leakage current
VPOK = 5.5V
Thermal shutdown threshold
Thermal shutdown hysteresis
1.4
⎯
40
o
C/W
SOP-8L-EP (Note 5)
27
o
C/W
DFN3030-10 (Note 4)
9
o
C/W
4
o
C/W
θJA
Thermal Resistance Junction-toAmbient
DFN3030-10 (Note 4)
θJC
Thermal Resistance
Junction-to- Case
Notes:
Min
SOP-8L-EP (Note 5)
3. POK pin must be disconnected from IN pin.
4. Test condition for DFN3030-10: Device mounted on FR-4 2-layer board, 2oz copper, with minimum recommended pad on top layer and 6 vias to
bottom layer 1.0”x1.5” ground plane.
5. Test condition for SOP-8L-EP: Device mounted on 2" x 2" FR-4 substrate PCB, 2oz copper, with minimum recommended pad on top layer and
thermal vias to bottom layer ground plane.
AP7165
Document number: DS31270 Rev. 6 - 2
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Typical Performance Characteristics
Output Voltage vs. Temperature
Output Voltage vs. Temperature
1.90
3.40
Vout=1.8V
Output Voltage (V)
Output Voltage (V)
Vout=3.3V
3.35
3.30
3.25
1.85
1.80
1.75
3.20
1.70
-50
-25
0
25
50
75
100
125
-50
-25
o
75
100
125
Quiescent Current vs. Input Voltage
VOUT=1.2V
Quiescent Current ( uA)
Quiescent Current (uA)
50
Temperature ( C)
Quiescent Current vs. Input Voltage
160
150
140
130
120
110
Iout=0mA
100
Iout=300mA
VOUT=1.8V
170
160
150
140
130
120
110
Iout=0mA
Iout=300mA
100
Iout=600mA
90
90
2.5
3.0
3.5
4.0
4.5
5.0
2.5
5.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
Input Voltage (V)
Quiescent Current vs. Temperature
Quiescent Current vs. IOUT
150
VOUT=1.8V
150
140
130
120
110
100
VIN=2.2V, Vout=1.0V
90
VIN=3.3V, Vout=1.2V
VIN=3.3V, Vout=1.8V
80
VIN=5.0V, Vout=3.3V
Quiescent Current (uA)
Quiescent Current (uA)
25
o
Temperature ( C)
170
0
70
140
130
120
110
VIN=2.5V
VIN=3.3V
100
-50
-25
0
25
50
75
100
125
o
AP7165
Document number: DS31270 Rev. 6 - 2
0.0
0.1
0.2
0.3
0.4
0.5
0.6
IOUT (A)
Temperature ( C)
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Typical Performance Characteristics (Continued)
Reference Voltage vs. Temperature
Dropout Voltage vs. I OU T
VOUT=3.3V
400
Dropout Voltage (mV )
Reference Voltage (V)
0.810
0.805
0.800
0.795
0.790
Vin=2.2V
Vin=3.3V
0.785
Vin=5.5V
25°C
350
90°C
-45°C
300
250
200
150
100
50
0
0.780
0
-50
-25
0
25
50
75
100
100
200
400
500
600
I OU T (mA)
o
Temperature ( C)
Load Regulation
Line Regulation
VOUT=1.2V, IOUT=1mA
VIN=2.5V, VOUT=1.2V
0.10
0.6
Change in V OUT (%)
Change in VOUT (%/V)
300
125
0.05
0.00
-0.05
25°C
85°C
25°C
0.5
85°C
-40°C
0.4
0.3
0.2
0.1
0.0
-40°C
0.0
-0.10
2.5
3.0
3.5
4.0
4.5
5.0
0.1
0.2
0.3
0.4
0.5
0.6
5.5
IOUT (A)
VIN (V)
PSRR (VOUT=1.2V)
Current Limit vs. Temperature
1.08
-40
-50
1.04
PSRR (dB)
Current Limit (A)
1.06
1.02
1.00
0.98
0.96
-60
-70
-80
0.94
Vin=2.8V, Vout=1.8V
0.92
Vin=3.3V, Vout=1.8V
0.90
-50
-25
0
25
50
75
100
o
Document number: DS31270 Rev. 6 - 2
1000
10000
100000
Frequency (Hz)
Temperature ( C)
AP7165
-90
100
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Typical Performance Characteristics (Continued)
Line Transient Response
Line Transient Response
VIN =3.3V to 4.4V
VIN =4.4V to 3.3V
COUT =10uF
COUT =10uF
VIN
1V/div
VIN
1V/div
VOUT
50mV/div
VOUT
50mV/div
Time (50us/div)
Time (50us/div)
Output Load Transient Response
(VOUT=1.2V) COUT=470uF (electrolytic)
Output Load Transient Response
(VOUT=1.8V) COUT=470uF (electrolytic)
COUT=10uF (Ceramic)
VOUT
COUT=10uF (Ceramic)
50mV/div
VOUT
50mV/div
COUT=1uF (Ceramic)
COUT=1uF (Ceramic)
600mA
IOU
600mA
IOU
1A/us
200mA/div
1A/us
200mA/div
50mA
50mA
Time (100us/div)
Start-up Time (VOUT=1.2V, IOUT=0.1A)
VEN
2V/div
Time (100us/div)
Start-up Time (VOUT=1.2V, IOUT=600mA)
VEN
2V/div
COUT=10uF
COUT=10uF
VOUT
1V/div
VOUT
1V/div
VPOK
2V/div
VPOK
2V/div
Time (50us/div)
Time (50us/div)
AP7165
Document number: DS31270 Rev. 6 - 2
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Typical Performance Characteristics (Continued)
Short Circuit Current vs. Tem perature
VOUT=1.2V
420
VOUT=1.2V
500
Short Circuit Current
(mA)
Short Circuit Current (mA)
Short Circuit Current vs. Input Voltage
410
450
400
390
400
380
370
350
360
300
350
2.0
2.5
3.0
3.5
4.0
4.5
-50
5.0
-25
0
25
50
75
o
Tem perature ( C)
Input Voltage (V)
Current Limit Protection (VOUT=1.8V)
Current Limit & Short Circuit Protection
(VOUT=0.8V)
VOUT
500mV/div
VOUT
500mV/div
IOUT
500mA/div
Current Limit Protection
IOUT
1A/div
Short Circuit Protection
Time (50us/div)
Time (500us/div)
Short Circuit Protection (VOUT=1.8V)
Short Circuit Recovery (VOUT=1.8V)
VOUT
500mV/div
VOUT
500mV/div
Current Limit Protection
Short Circuit Protection
IOUT
500mA/div
IOUT
500mA/div
Time (2ms/div)
AP7165
Document number: DS31270 Rev. 6 - 2
Time (50us/div)
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Application Notes
Input Capacitor
A 1μF ceramic capacitor is recommended to connect
between IN and GND pins to decouple input power supply
glitch and noise. The amount of the capacitance may be
increased without limit. A lower ESR (Equivalent Series
Resistance) capacitor allows the use of less capacitance,
while higher ESR type requires more capacitance. This
input capacitor should be located as close as possible to
the device to assure input stability and less noise. For
PCB layout, a wide copper trace is required for both IN
and GND.
Rearranging the equation will give the following equation
to find the approximate resistor divider values:
⎞
⎛V
R 1 = R 2 ⎜⎜ OUT − 1⎟⎟
⎠
⎝ VREF
To maintain the stability of the internal reference voltage,
R2 needs to be kept smaller than 250kΩ.
No Load Stability
Output Capacitor
The output capacitor is required to stabilize and help the
transient response of the LDO. The AP7165 is designed to
have excellent transient response for most applications
with a small amount of output capacitance. The AP7165 is
stable for all available types and values of output
capacitors ≥ 4.7μF. The device is also stable with multiple
capacitors in parallel, which can be of any type of value.
Additional capacitance helps to reduce undershoot and
overshoot during transient. This capacitor should be
placed as close as possible to OUT and GND pins for
optimum performance.
Other than external resistor divider, no minimum load is
required to keep the device stable. The device will remain
stable and regulated in no load condition.
ENABLE/SHUTDOWN Operation
The AP7165 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 IN 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
under VIL and VIH.
Adjustable Operation
The AP7165 provides output voltage from 0.8V to 5.0V
through external resistor divider as shown below.
VIN
VOUT
IN
CIN
100kOhm
OUT
R1
AP7165
POK
FB
EN
The Power-Ok (POK) pin is an active high open-drain
output. It can be connected to any 5.5V or lower rail
through an external pull-up resistor. The recommended
sink current of POK pin is up to 4mA, so the pull-up
resistor for POK should be in the range of 10kΩ to 1MΩ. If
output voltage monitoring is not needed, the POK pin can
be left floating.
Current Limit Protection
R2
Enable
COUT
POWER-OK
GND
The output voltage is calculated by:
⎛
R ⎞
VOUT = VREF ⎜⎜1 + 1 ⎟⎟
⎝ R2 ⎠
When output current at OUT pin is higher than current limit
threshold, the current limit protection will be triggered and
clamp the output current to approximately 950mA (600A
min) to prevent over-current and to protect the regulator
from damage due to overheating.
Short Circuit Protection
When OUT pin is short-circuited to GND or OUT pin
voltage is less than 200mV, short circuit protection will be
triggered and clamp the output current to approximately
380mA. This feature protects the regulator from overcurrent and damage due to overheating.
Where VREF=0.8V (the internal reference voltage).
AP7165
Document number: DS31270 Rev. 6 - 2
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Application Notes (Continued)
Low Quiescent Current
The AP7165, consuming only around 125µA for all input
range and output loading, provides great power saving in
portable and low power applications.
Wide Output Range
The AP7165, with a wide output range of 0.8V to 5.0V,
provides a versatile solution for many portable and low
power applications.
Thermal Shutdown Protection
Thermal protection disables the output when the junction
temperature rises to approximately +150°C, allowing the
device to cool down. When the junction temperature
reduces to approximately +125°C the output circuitry is
enabled again. Depending on power dissipation, thermal
resistance, and ambient temperature, the thermal
protection circuit may cycle on and off. This cycling limits
the heat dissipation of the regulator, protecting it from
damage due to overheating.
thermal plane that is connected to the thermal pad is
critical to avoid thermal shutdown and ensuring reliable
operation. Power dissipation of the device depends on
input voltage and load conditions and can be calculated
by:
PD = ( VIN − VOUT )xIOUT
The AP7165 is available in the DFN3030-10 and SOP-8LEP packages, both with exposed pad, which is the primary
conduction path for heat to the printed circuit board (PCB).
The pad can be connected to ground or be left floating;
however, to ensure the device will not overheat, it should
be attached to an appropriate amount of copper PCB area.
However, the maximum power dissipation that can be
handled by the device depends on the maximum junction
to ambient thermal resistance, maximum ambient
temperature, and maximum device junction temperature,
which can be approximated by the equation below:
Power Dissipation
The device power dissipation and proper sizing of the
AP7165
Document number: DS31252 Rev. 6 - 2
PD ([email protected] TA ) =
10 of 14
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( +145°C − TA )
R θJA
September 2010
© Diodes Incorporated
AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Ordering Information
AP7165 - XX G - X
Device
AP7165-FNG-7
AP7165-SPG-13
Notes:
Package
Green
Packing
FN : DFN3030-10
SP : SOP-8L-EP
G : Green
7/13 : Tape & Reel
Package
Code
Packaging
(Note 2)
FN
SP
DFN3030-10
SOP-8L-EP
Tube
Part Number
Quantity
Suffix
NA
NA
NA
NA
7”/13” Tape and Reel
Quantity
Part Number Suffix
3000/Tape & Reel
2500/Tape & Reel
-7
-13
6. Pad layout as shown on Diodes Inc. suggested pad layout document AP02001, which can be found on our website at
http://www.diodes.com/datasheets/ap02001.pdf.
Marking Information
(1) DFN3030-10
( Top View )
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 : Green
XX
YWX
Part Number
AP7165
Package
DFN3030-10
Identification Code
B2
(2) SOP-8L-EP
( Top View )
8
5
Logo
Part No.
AP7165
YY WW X X E
1
AP7165
Document number: DS31252 Rev. 6 - 2
G : Green
YY : Year : 08, 09,10~
WW : Week : 01~52; 52
represents 52 and 53 week
X : Internal Code
SOP-8L-EP
4
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Package Outline Dimensions (Continued)
(1) Package Type: DFN3030-10
0.15
TOP MARK
0.10 C
0.08 C
Top View
0.25 A
0.60
A
1.80
0.15
0/0.02
C
2.9/3.1
2.3/2.5
B
0.15
R0
.30
0.25/0.55
1.5/1.7
2.9/3.1
(Pin #1 ID)
2X-
0.50Typ.
10x-0.30
Side View
2X-
0.57/0.63
Seating Plane
2.60
Land Pattern Recommendation
(Unit:mm)
0.25 B
0.375Typ.
0.50Typ.
0.20/0.30
0.10
C A B
Bottom View
(2) Package Type: SOP-8L-EP
Detail "A"
Exposed pad
2.4Ref.
3.70/4.10
45°
0.35max.
3.85/3.95
5.90/6.10
7°~9°
7°~9° 1
1
0.15/0.25
Bottom View
1.75max.
1.30/1.50
3.3Ref.
0/0.13
0.254
0.3/0.5
1.27typ
4.85/4.95
1
Gauge Plane
Seating Plane
0.62/0.82
Detail "A"
8x-0.60
5.4
Exposed pad
8x-1.55
6x-1.27
Land Pattem Recommendation
(Unit:mm)
Notes:
7. All dimensions are in millimeters. Angles are in degrees.
8. Coplanarity applies to the exposed heat sink slug as well as the terminals.
AP7165
Document number: DS31252 Rev. 6 - 2
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AP7165
600mA LOW DROPOUT REGULATOR WITH POK
Taping Orientation (Note 9)
For DFN3030-10
Notes:
9.The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf.
AP7165
Document number: DS31252 Rev. 6 - 2
13 of 14
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© Diodes Incorporated
AP7165
600mA LOW DROPOUT REGULATOR WITH POK
IMPORTANT NOTICE
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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.
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 © 2010, Diodes Incorporated
www.diodes.com
AP7165
Document number: DS31252 Rev. 6 - 2
14 of 14
www.diodes.com
September 2010
© Diodes Incorporated