AP3156FVG-7 [DIODES]

HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP FOR WHITE LED APPLICATIONS; 高效率1X / 1.5X / 2X电荷泵白光LED应用
AP3156FVG-7
型号: AP3156FVG-7
厂家: DIODES INCORPORATED    DIODES INCORPORATED
描述:

HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP FOR WHITE LED APPLICATIONS
高效率1X / 1.5X / 2X电荷泵白光LED应用

显示驱动器 驱动程序和接口 接口集成电路 功效 泵
文件: 总15页 (文件大小:410K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
General Description  
Features  
The AP3156 is a low noise, constant frequency charge pump  
DC/DC converter that uses a tri-mode load switch (1X), fractional  
(1.5X), and doubling (2X) conversion to maximize efficiency for  
white LED applications. The AP3156 is capable of driving the  
LED channels at 120mA maximum from a 2.7V to 5.5V input. The  
current sinks may be operated individually or in parallel for driving  
higher-current LEDs. A low external parts count (two 1µF flying  
VIN Range: 2.7V to 5.5V  
Fully Programmable Current with Single Wire  
32-Step Logarithmic Scale  
20/25mA Max Current per Channel  
Four Low Current Settings Down to 50µA  
Low IQ (50µA) for Low Current Mode  
Tri-Mode 1X, 1.5X, and 2X Charge Pump for Maximum  
Efficiency and VF Coverage  
capacitors and two small 1µF capacitors at VIN and VOUT) make  
this part ideally suited for small, battery-powered applications.  
Drives up to Six Channels of LEDs  
Individual Main/Sub-Group Control  
No Inductors, Low Noise Operation  
0.5/1/2MHz Constant Switching Frequency  
Small Application Circuit  
Built-In Thermal Protection  
Built-In Auto-Disable For Open Circuit  
Automatic Soft Start  
AP3156 serial digital input is used to enable, disable and set  
current for each LED with a 32-level logarithmic scale plus four  
low-current settings down to 50µA for optimized efficiency, with a  
low quiescent current of only 50µA.  
Each output of the AP3156 is equipped with built-in protection for  
VOUT short circuit and auto-disable for LED failure conditions.  
Built-in soft-start circuitry prevents excessive inrush current  
during start-up. A low-current shutdown feature disconnects the  
load from VIN and reduces quiescent current to less than 1µA.  
IQ <1µA in Shutdown  
Thermally-Enhanced QFN4040-16 Package: Available  
in “Green” Molding Compound (No Br, Sb)  
The AP3156 is available in a lead-free, space-saving, thermally  
enhanced 16-pin 4x4mm QFN package.  
Lead Free Finish / RoHS Compliant (Note 1)  
Applications  
Color (RGB) Lighting  
Programmable Current Sinks  
White LED Backlighting  
White Photo Flash for Digital Still Cameras  
Typical Application Circuit  
10  
5
VIN  
VIN  
C2P  
1uF  
C2  
1uF  
CIN  
8
6
C2N  
C1P  
1uF  
C1  
7
4
C1N  
AP3156  
VOUT  
1uF  
COUT  
D4  
LED  
D3  
LED  
D2  
LED  
D1  
LED  
D6  
LED  
D5  
LED  
2
1
SDI  
D6  
D5  
D4  
D3  
D2  
D1  
SDI  
16  
15  
14  
13  
12  
GND  
9,11  
AP3156 Rev. 1  
1 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Ordering Information  
AP 3156 FV G - 7  
Package  
FV : QFN4040-16  
Lead Free  
G : Green  
Packing  
7 : Tape & Reel  
7” Tape and Reel  
Package  
Code  
FV  
Packaging  
(Note 2)  
QFN4040-16  
Device  
Quantity  
1500/Tape & Reel  
Part Number Suffix  
AP3156FVG-7  
-7  
Notes:  
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  
2. 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.  
Pin Assignments  
(Top View)  
1
2
3
4
12  
D6  
SDI  
NC  
D1  
11 GND  
Exposed  
Pad  
10  
9
VIN  
GND  
VOUT  
QFN4040-16  
AP3156 Rev. 1  
2 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Pin Descriptions  
Pin  
Pin Name  
Description  
Number  
D6  
SDI  
NC  
1
2
3
Current Sink Input #6. Connected to VOUT when un-used.  
Serial Digital Interface Control Pin  
No Connection  
Charge pump output to drive load circuit. Requires 1µF capacitor connected between  
this pin and ground  
Positive Terminal of Flying Capacitor 2. Connects a 1µF capacitor between C2P and  
C2N.  
Positive terminal of Flying Capacitor 1. Connects a 1µF capacitor between C1P and  
C1N.  
VOUT  
C2P  
C1P  
4
5
6
C1N  
C2N  
GND  
VIN  
D1  
D2  
D3  
D4  
D5  
7
8
Negative Terminal of Flying Capacitor 1  
Negative Terminal of Flying Capacitor 2  
Ground.  
Input Power Supply. Requires 1µF capacitor between this pin and ground.  
Current sink input #1. Connected to VOUT when un-used.  
Current sink input #2. Connected to VOUT when un-used.  
Current sink input #3. Connected to VOUT when un-used.  
Current sink input #4. Connected to VOUT when un-used.  
Current sink input #5. Connected to VOUT when un-used.  
9, 11  
10  
12  
13  
14  
15  
16  
GND  
EP PAD Exposed Pad (bottom). Connected to GND directly underneath the package.  
Functional Block Diagram  
AP3156 Rev. 1  
3 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Absolute Maximum Ratings (Note 3)  
Symbol  
ESD HBM  
ESD MM  
VIN  
Description  
Human Body Model ESD Protection  
Machine Model ESD Protection  
Input Voltage  
Rating  
2
200  
Unit  
KV  
V
V
V
mA  
°C  
°C  
-0.3 to 6  
-0.3 to VIN +0.3  
150  
VSDI  
IOUT  
TJ  
TLEAD  
SDI to GND Voltage  
Maximum DC Output Current  
Operating Junction Temperature Range  
Maximum Soldering Temperature (at leads, 10 sec)  
-40 to 150  
300  
Notes:  
3. Exceeding Absolute Maximum Ratings will cause permanent damage to the device.  
Recommended Operating Conditions  
Symbol  
VIN  
Parameter  
Input Voltage  
Operating Ambient Temperature  
Min  
2.7  
-40  
Max  
5.5  
85  
Units  
V
°C  
TA  
AP3156 Rev. 1  
4 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Electrical Characteristics  
CIN = COUT = C1 = C2 = 1.0µF; TA = 25°C, VIN = 3.5V. Unless otherwise noted.  
Symbol  
Parameter  
Test Conditions  
1X Mode, 3.0VIN5.5, Active,  
No Load Current  
1.5X Mode, 3.0VIN5.5, Active,  
No Load Current  
2X Mode, 3.0VIN5.5, Active,  
No Load Current  
50µA Setting, 1X Mode  
SDI = 0  
Min Typ. Max Unit  
0.3  
2.0  
1
3
3
mA  
IQ  
Quiescent Current  
1.5  
50  
µA  
µA  
ISHDN  
IDX  
Shutdown Current  
SINK Current Accuracy  
1
18.6  
3.6  
20  
4
21.4 mA  
ISET = 20mA (Note 5), TA = 25°C  
ISET = 4mA (Note 5), TA = 25°C  
I
(Note 4)  
4.4  
mA  
Current Matching Between Any  
Two Current Sink Inputs  
(Note 6)  
VF:  
ID-Match  
0.5  
%
D1:D6 = 3.6V  
1X to 1.5X or 1.5X to 2X  
Transition Threshold at Any  
ISINK Pin  
VTH  
I
SET = 25mA  
150  
mV  
Charge Pump Section  
TSS  
Soft-Start Time  
40  
0.5/  
1/  
µs  
FCLK  
Clock Frequency  
MHz  
2
SDI  
VSDI(L)  
VSDI(H)  
TSLO  
TSHI  
TOFF  
TSEP  
ISDI  
SDI Threshold Low  
SDI Threshold High  
SDI Low Time  
SDI High Time  
SDI Off Timeout  
SDI Valid Sequence Timeout  
SDI Input Leakage  
Thermal Resistance  
Junction-to-Ambient  
VIN = 2.7V  
VIN = 5.5V  
0.4  
V
V
1.4  
0.3  
0.05  
50  
50  
256  
256  
1
µs  
µs  
µs  
µs  
µA  
-1  
θJA  
QFN4040-16 (Note 7)  
46  
oC/W  
Notes:  
4. Determined by the average current levels of all active channels  
5. Sequence setting set to give nominal 20mA max output current and 4mA output current.  
6. Defined as the deviation of any sink current from the average of all active current channels  
7. Device mounted on FR-4 substrate, 2"*2", 2oz, copper, double-sided PC board,  
AP3156 Rev. 1  
5 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Typical Performance Characteristics  
Efficiency vs. Supply Voltage  
Turn-On to 1X Mode  
(VIN = 4.2V; 20mA Load)  
VF=3.3V  
VF=2.8V  
VF=3.0V  
Turn-On from 1.5X Mode  
(VIN = 3.5V; 20mA Load)  
Turn-On to 2X Mode  
(VIN = 2.7V; 20mA Load)  
Turn-Off from 1.5X Mode  
(VIN = 3.5V; 20mA Load)  
Current Matching vs. Temperature  
AP3156 Rev. 1  
6 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Typical Performance Characteristics (Continued)  
Load Characteristics  
Load Characteristics  
(VIN = 3.2V; 1.5X Mode; 10mA Load)  
(VIN = 2.7V; 2X Mode; 20mA Load)  
Load Characteristics  
Load Characteristics  
(VIN = 3.5V; 1.5X Mode; 20mA Load)  
(VIN = 3.1V; 2X Mode; 25mA Load)  
Load Characteristics  
(VIN = 3.5V; 1.5X Mode; 25mA Load)  
AP3156 Rev. 1  
7 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Typical Performance Characteristics (Continued)  
SDI Threshold High vs. Input Voltage  
SDI Threshold Low vs. Input Voltage  
AP3156 Rev. 1  
8 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Functional Description  
The AP3156 is a tri-mode high efficiency six-channel charge  
pump (1x, 1.5x or 2x) device intended for white LED backlight  
applications. An internal comparator circuit compares the  
voltage at each constant current sink input against a reference  
voltage. To ensure maximum power efficiency, the most  
appropriate switching mode (1x, 1.5x, 2x) is automatically  
selected.  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
6.7  
6.3  
6.0  
5.6  
5.3  
5.0  
4.7  
4.5  
4.2  
4.0  
3.8  
3.6  
0
8.4  
7.9  
7.5  
7.0  
6.7  
6.3  
5.9  
5.6  
5.3  
5.0  
4.7  
4.4  
0
The AP3156 requires only four external components: two 1µF  
ceramic flying capacitors (C1 and C2) for the charge pump, one  
1µF ceramic input capacitor (CIN), and one 1µF ceramic  
charge pump output capacitor (COUT).  
The each output channel of the AP3156 can drive six  
individual LEDs with a maximum current of 25mA per channel.  
These can be paralleled to give a total output current of  
150mA.  
Low Current Output Level Setting  
The AP3156 has a distinct Low Current mode with ultra-low  
quiescent current. For drive currents of 2mA or less, the device  
operates with significantly reduced quiescent current.  
Constant Current Output Level Settings  
The constant current level for the outputs is set via the Serial  
Digital Interface and has a logarithmic variance. This results in  
the LED brightness varying linearly when the settings in the  
scale are traversed. Because the inputs D1 to D6 are true  
independent constant current sinks, the voltage observed on  
any single given input will be determined by the difference  
between VOUT and the actual forward voltage (VF) of the LED  
being driven.  
Low Current Programming Levels (mA)  
Data  
Current (mA)  
1
2
3
4
5
2
1
0.5  
0.05  
0
Since the constant current levels for the AP3156 are  
programmable, no PWM (pulse width modulation) or additional  
control circuitry is needed to control LED brightness. With its  
high-speed serial interface (>1MHz data rate), the LED current  
drive of the AP3156 can be changed successively to brighten  
or dim LEDs in smooth transitions or in abrupt steps, giving the  
user complete programmability and real-time control of LED  
brightness.  
Serial Digital Interface  
SDI is a general purpose 1-wire digital interface designed to  
transport digital controls for power management ICs such as  
AP3156. The current levels of the six channels can be  
configured either together, individually or specific grouping.  
Up to 32 current levels are allowed. A generic system  
controller can easily support the SDI protocol via bit-banging  
over its general purpose I/Os.  
There are 32 current level settings separated from one another  
by approximately 0.5dB (see Constant Current Programming  
Level table). Code 1 is full-scale current, and Code 31 is full  
scale attenuated roughly 15dB. Code 32 is reserved as a “no  
current” setting.  
The SDI protocol is simple yet flexible enough to  
accommodate different switching clock frequencies. Any  
sequence of negative-edged pulses of 63 or less (see  
Instruction & Data Table) separated by TSEP at the SDI pin is  
interpreted by the AP3156 as a channel configuration event.  
In future, the number of pulses can be extended to support  
additional commands.  
Constant Current Programming Levels (mA)  
20mA Max  
IOUT (mA)  
20  
25mA Max  
IOUT (mA)  
25  
Data  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
18.9  
17.8  
16.8  
15.9  
15.0  
14.2  
13.4  
12.6  
11.9  
11.2  
10.6  
10.0  
9.5  
23.6  
22.3  
21.0  
19.9  
18.7  
17.7  
16.7  
15.8  
14.9  
14.1  
13.3  
12.5  
11.8  
11.2  
10.5  
10.0  
9.4  
8.9  
8.4  
8.0  
7.5  
7.1  
8.9  
AP3156 Rev. 1  
9 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Functional Description (Continued)  
Instruction & Data Table  
Disabled Current Sinks  
Unused current channels must be disabled by connecting the  
sinks to VOUT with only a small sense current flowing through  
the disabled channel.  
First  
Sequence  
Second  
Sequence  
Description  
1~3  
4~7  
-
No Action  
Reserved  
1~32  
Soft-Start  
Soft-start is incorporated to prevent excessive inrush current  
during power-up, mode switching, and transitioning out of  
stand-by mode.  
Switching frequency selected to  
0.5MHz  
8
1
2
3
Switching frequency selected to  
1MHz (default)  
Short-Circuit Protection  
Short-circuit protection function is incorporated to prevent  
excessive load current when either flying cap terminals or  
output pin electrically tied to a very lower voltage or ground.  
Switching frequency selected to  
2MHz  
Over-Voltage Protection  
Reserved  
4~32  
1
Over-Voltage Protection function is incorporated to limit the  
output voltage under a safe value to avoid on-chip device  
breakdown.  
20mA Constant Current Mode,  
32 current level supported  
(default)  
9
Under-Voltage Lockout  
Under-Voltage lockout feature disables the device when the  
input voltage drops below UVLO threshold.  
Low Current Mode, 4 current level  
supported  
2
3
25mA Constant Current Mode,  
32 current level supported  
Thermal Auto Shutdown  
When the die temperature exceeds the thermal limit, the  
device will be disabled and enter stand-by mode. The  
operation resumes whenever the die cools off sufficiently.  
4~32  
Reserved  
10  
11  
12  
13  
Set current level for all 6  
Channels  
1~32*  
Switching frequency  
Set current level for CH1, CH2,  
CH3  
1~32*  
1~32*  
1~32*  
By default, the AP3156 is working at 1MHz switching  
frequency. It can also work at 0.5MHz or 2MHz switching  
frequency which can be set through the Serial Digital Interface.  
An user can choose the appropriate switching frequency with  
consideration of noise immunity, input and output voltage  
ripple requirement, and capacitor selection.  
Set current level for CH4, CH5,  
CH6  
Set current level for CH1, CH2,  
CH3, CH4  
14  
15  
Set current level for CH5, CH6  
1~32*  
1~32*  
Set current level for CH1, CH2,  
CH3, CH4, CH5  
16  
17  
1~32*  
1~32*  
1~32*  
1~32*  
1~32*  
1~32*  
-
Set current level for CH6  
Set current level for CH5  
Set current level for CH4  
Set current level for CH3  
Set current level for CH2  
Set current level for CH1  
Reserved  
18  
19  
20  
21  
22~32  
33  
Soft Reset  
-
1) 1MHz switching frequency  
2) 20mA Constant Current Mode  
3) All Channels in Current Level  
Setting 32 (0mA)  
34  
Null Sequence  
Reserved  
-
-
35~63  
* Only 1~5 are valid current settings at Low Current Mode.  
AP3156 Rev. 1  
10 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Serial Digital Interface  
SDI Command Timing Protocol  
For the SDI command to be successfully received by the AP3156, all SDI timing specifications must be satisfied.  
When no command is being sent, the SDI pin should be held High. If the SDI pin goes Low and stays Low for a time length between  
TSLO(min) and TSLO(max) and then goes High and stays High for the length between TSHI(min) and TSHI(max), one falling edge is  
registered by the AP3156. The total number of falling edges registered before the SDI pin is held High for longer than the maximum  
separation time TSEP(max) identifies the command that has been received by the AP3156. The next series of falling edges before  
another separation time of TSEP represents the next command. In other words, the AP3156 counts the number of consecutive falling  
edges on the SDI pin and a different number represents a different command.  
Each command is executed after it is successfully received. If at any time the SDI pin is held Low for longer than the maximum chip  
disable time TOFF(max), then the AP3156 will be turned off and enters the shutdown mode. Setting the SDI pin switching from Low to High  
will re-enable the AP3156 and leave the shutdown mode. If the SDI pin is held on for a time duration over TSEP, then an end of a  
sequence (EOS) occurs with a number of pulse conformed to specified timing.  
A valid dual-sequence command occurs when one valid sequence is defined as an instruction, and the other is defined as data. Both  
sequences have number of pulses less than 33. Also, a valid single-sequence command occurs when the sequence has number of  
pulses greater than 32.  
First Sequence  
TSHI  
Second Sequence  
TSEP TSEP  
TSLO  
SDI  
1
9
10  
1
2
2
8
Channel Selection  
Current Setting  
Channel 1 in  
Set Channel 1 to current level 2.  
Set Channel 2 to current level 2.  
Set Channel 3 to current level 2.  
Set Channel 4 to current level 2.  
dimming control  
Channel D1  
Channel 2 in  
dimming control  
Channel D2  
Channel D3  
Channel D4  
Channel D5  
Channel D6  
Channel 3 in  
dimming control  
Channel 4 in  
dimming control  
Channel 5 in  
dimming control  
Set Channel 5 to current level 2.  
Set Channel 6 to current level 2.  
Channel 6 in  
dimming control  
Figure 1: Dimming Control Selection (Dual-Sequence Command)  
AP3156 Rev. 1  
11 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Serial Digital Interface (Continued)  
First Sequence  
Second Sequence  
TSHI  
TSLO  
TSEP  
TSEP  
SDI  
1
8
9
1
2
2
7
Current Mode Selection  
Select Low Current Mode  
Figure 2: Current Mode Selection (Dual-Sequence Command)  
First Sequence  
TSHI  
Second Sequence  
TSEP  
TSLO  
TSEP  
SDI  
1
7
8
1
2
2
6
Switching Frequency Selection  
Select Switching Frequency  
to 1 MHZ  
Figure 3: Switching Frequency Selection (Dual-Sequence Command)  
First Sequence  
TSHI  
TSLO  
TSEP  
SDI  
1
32  
33  
2
31  
Soft Reset  
Figure 4: Soft Reset (Single-Sequence Command)  
AP3156 Rev. 1  
12 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Marking Information  
(1) QFN4040-16  
( Top View )  
XX : F7 : AP3156  
Y : Year : 0~9  
W : Week : A~Z : 1~26 week;  
a~z : 27~52 week;  
X X  
YWX  
z represents 52 and 53 week  
X : A~Z : Green  
Part Number  
AP3156FVG-7  
Package  
QFN4040-16  
Identification Code  
F7  
Package Information (All Dimensions in mm)  
(1) Package Type: QFN4040-16  
C
L
0.10 C  
16X-  
Seating Plane  
0.08 C  
Side View  
C
Land Pattern Recommendatrion  
4
3.7  
3.90/4.10  
2.3/2.5  
B
A
10  
4
1
(Pin #1 ID)  
(Pin #1 ID)  
16  
2X-  
0.25 B  
0.65Typ.  
0.28/0.38  
C
A B  
0.10  
12x-0.65  
Bottom View  
Bottom View  
AP3156 Rev. 1  
13 of 15  
www.diodes.com  
SEPTEMBER 2009  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
Taping Orientation (Note 8)  
Note:  
8. The taping orientation of the other package type can be found on our website at http://www.diodes.com/datasheets/ap02007.pdf  
AP3156 Rev. 1  
14 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  
AP3156  
HIGH EFFICIENCY 1X/1.5X/2X CHARGE PUMP  
FOR WHITE LED APPLICATIONS  
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.  
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 © 2009, Diodes Incorporated  
www.diodes.com  
AP3156 Rev. 1  
15 of 15  
SEPTEMBER 2009  
www.diodes.com  
© Diodes Incorporated  

相关型号:

AP3201A

380kHz, 2A Asynchronous DC-DC Buck Converter
BCDSEMI

AP3201AMHTR-G1

380kHz, 2A Asynchronous DC-DC Buck Converter
BCDSEMI

AP3202

380kHz, 2A Asynchronous DC-DC Buck Converter
BCDSEMI

AP3202M-G1

380kHz, 2A Asynchronous DC-DC Buck Converter
BCDSEMI

AP3202MTR-G1

380kHz, 2A Asynchronous DC-DC Buck Converter
BCDSEMI

AP3203

380kHz, 3A Asynchronous DC - DC Buck Converter
BCDSEMI

AP3203MP-G1

380kHz, 3A Asynchronous DC - DC Buck Converter
BCDSEMI

AP3203MPTR-G1

380kHz, 3A Asynchronous DC - DC Buck Converter
BCDSEMI

AP3211

1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER
BCDSEMI

AP3211H

1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER
BCDSEMI

AP3211HKTR-G1

1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER
BCDSEMI

AP3211KTR-G1

1.4MHz, 1.5A ASYNCHRONOUS DC-DC BUCK CONVERTER
BCDSEMI