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PDF AP6502 Data sheet ( Hoja de datos )
| Número de pieza | AP6502 | |
| Descripción | 340kHz 23V 2A SYNCHRONOUS DC/DC BUCK CONVERTER | |
| Fabricantes | Diodes | |
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AP6502
340kHz 23V 2A SYNCHRONOUS DC/DC BUCK CONVERTER
Description
The AP6502 is a 340kHz switching frequency external
compensated synchronous DCDC buck converter. It has
integrated low RDSON high and low side MOSFETs.
The AP6502 enables continues load current of up to 2A with
efficiency as high as 95%.
The AP6502 features current mode control operation, which
enables fast transient response times and easy loop
stabilization.
The AP6502 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 AP6502 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
• VIN 4.75V to 23V
• 2A continuous Output Current, 3A Peak
• VOUT adjustable to 0.925 to 20V
• 340kHz switching frequency
• Programmable Soft-Start
• Enable pin
• Protection
o OCP
o Thermal Shutdown
• Lead Free Finish/ RoHS Compliant (Note 1)
Applications
• 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
0 0.4 0.8 1.2 1.6
LOAD CURRENT (A)
Efficiency vs. Load Current
AP6502
Document Number: DS35423 Rev. 2 - 2
2
Figure 2. Typical Application Circuit
1 of 12
www.diodes.com
September 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
1 page  
AP6502
340kHz 23V 2A SYNCHRONOUS DC/DC BUCK CONVERTER
Typical Performance Graphs (VIN = 12V, VOUT=3.3V ,TA = +25°C, unless otherwise noted)
0.6
0.074
6.2
0.58
0.56
0.54
0.52
0.5
0.064
0.054
0.044
0.034
0.024
0.014
6
5.8
5.6
5.4
5.2
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
70 VIN = 5V
65 VIN = 12V
60
55
50
45 VOUT = 1.2V
L = 3.3µH
40
0 0.4 0.8 1.2 1.6
LOAD CURRENT (A)
Efficiency vs. Load Current
2
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
0.902
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0.9
-60
-40 -20 0 20 40 60 80
TEMPERATURE (°C)
Feedback Voltage vs. Temperature
100
90
85
80
75 VIN = 5V
VIN = 12V
70
65
60
55
50
45 VOUT = 1.8V
L = 3.3µH
40
0 0.4 0.8 1.2 1.6
LOAD CURRENT (A)
Efficiency vs. Load Current
2
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
40
0 0.4 0.8 1.2 1.6
LOAD CURRENT (A)
Efficiency vs. Load Current
2
AP6502
Document Number: DS35423 Rev. 2 - 2
5 of 12
www.diodes.com
September 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Marking Information
AP6502
340kHz 23V 2A SYNCHRONOUS DC/DC BUCK CONVERTER
Package Outline Dimensions (All Dimensions in mm)
Detail "A"
7°~9°
http://www.DataSheet4U.net/
Exposed pad
45°
7°~9° 1
1.27typ
0.3/0.5
4.85/4.95
1
8x-0.60
0.15/0.25
3.3Ref.
Bottom View
1
0.62/0.82
Detail "A"
Gauge Plane
Seating Plane
Exposed pad
6x-1.27
Land Pattem Recommendation
(Unit:mm)
AP6502
Document Number: DS35423 Rev. 2 - 2
11 of 12
www.diodes.com
September 2011
© Diodes Incorporated
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AP6502.PDF ] | |
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