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PDF AP6503 Data sheet ( Hoja de datos )
| Número de pieza | AP6503 | |
| Descripción | 340kHz 23V 3A SYNCHRONOUS DC/DC BUCK CONVERTER | |
| Fabricantes | Diodes | |
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AP6503
340kHz 23V 3A SYNCHRONOUS DC/DC BUCK CONVERTER
Description
The AP6503 is a 340kHz switching frequency external
compensated synchronous DC/DC buck converter. It has
integrated low RDSON high and low side MOSFETs.
The AP6503 enables continues load current of up to 3A with
efficiency as high as 95%.
The AP6503 features current mode control operation, which
enables fast transient response times and easy loop
stabilization.
The AP6503 simplifies board layout and reduces space
requirements with its high level of integration and minimal
need for external components, making it ideal for distributed
power architectures.
The AP6503 is available in a standard Green SO-8EP
package with exposed PAD for improved thermal
performance and is RoHS compliant.
Pin Assignments
( Top View )
BS
IN
SW
GND
1
2
3
4
8 SS
7 EN
6 COMP
5 FB
SO-8EP
Figure 1. Package Pin Out
Features
Applications
• VIN 4.75V to 23V
• 3A continuous Output Current, 4A Peak
• VOUT adjustable to 0.925 to 20V
• 340kHz switching frequency
• Programmable Soft-Start
• Enable pin
• Protection
• OCP
• Thermal Shutdown
• Lead Free Finish/ RoHS Compliant (Note 1)
• Gaming Consoles
• Flat Screen TV sets and Monitors
• Set Top Boxes
• Distributed power systems
•http://www.DataSheet4U.net/
Home Audio
• Consumer electronics
• Network Systems
• FPGA, DSP and ASIC Supplies
• Green Electronics
Note:
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.
Typical Application Circuit
100
90
VIN = 5V
80
VIN = 12V
70
60
50
VOUT = 3.3V
L = 10µH
40
012
LOAD CURRENT (A)
Efficiency vs. Load Current
AP6503
Document number: DS35077 Rev. 1 - 2
3
Figure 2. Typical Application Circuit
1 of 13
www.diodes.com
September 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
1 page  
AP6503
340kHz 23V 3A SYNCHRONOUS DC/DC BUCK CONVERTER
Typical Performance Graphs (VIN = 12V, VOUT=3.3V ,TA = +25°C, unless otherwise noted)
0.6
0.58
0.56
0.54
0.52
0.5
0.48
0
3.33
5 10 15 20 25
INPUT VOLTAGE (V)
Quiescent Supply Current vs. Input Voltage
3.329
3.328
3.327
3.326
3.325
3.324
3.323
3.322
3.321
3.32
4.75
9.75 14.75 19.75
INPUT VOLTAGE (V)
Line Regulation
24.75
90
85
80
75
VIN = 5V
70
65 VIN = 12V
60
55
50
45 VOUT = 1.2V
L = 3.3µH
40
012
LOAD CURRENT (A)
Efficiency vs. Load Current
3
0.074
0.064
0.054
0.044
0.034
0.024
0.014
0.004
0
0.92
0.918
0.916
0.914
0.912
5 10 15 20 25
INPUT VOLTAGE (V)
Shutdown Supply Current vs. Input Voltage
0.91
0.908
0.906
0.904
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0.902
0.9
-60
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Feedback Voltage vs. Temperature
100
90
85
80
75
VIN = 5V
70 VIN = 12V
65
60
55
50
45
VOUT = 1.8V
L = 3.3µH
40
012
LOAD CURRENT (A)
Efficiency vs. Load Current
3
6.2
6
5.8
5.6
5.4
5.2
5
4.8
-60 -40 -20 0 20 40 60 80 100
TEMPERATURE (C)
Current Limit vs. Temperature
375
370
365
360
355
350
-60
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Oscillator Frequency vs. Temperature
100
100
90
80
70
60
50
VIN = 12V
VOUT = 5V
L = 10µH
400
12
LOAD CURRENT (A)
Efficiency vs. Load Current
3
AP6503
Document number: DS35077 Rev. 1 - 2
5 of 13
www.diodes.com
September 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Ordering Information
AP6503
340kHz 23V 3A SYNCHRONOUS DC/DC BUCK CONVERTER
AP6503 SP - 13
Package
SP : SO-8EP
Packing
13 : Tape & Reel
Device
AP6503SP-13
Package
Code
SP
Packaging
(Note 7)
SO-8EP
13” Tape and Reel
Quantity
Part Number Suffix
2500/Tape & Reel
-13
Note:
7. 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
http://www.DataSheet4U.net/
AP6503
Document number: DS35077 Rev. 1 - 2
11 of 13
www.diodes.com
September 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet AP6503.PDF ] | |
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