EVAL3DS01G28W [INFINEON]
28W-LCD â Monitor SMPS Evaluation Board with ICE3DS01G; 28W -LCD一个？监测SMPS评估板ICE3DS01G
| 型号： | EVAL3DS01G28W |
| 厂家： | 
Infineon |
| 描述： | 28W-LCD â Monitor SMPS Evaluation Board with ICE3DS01G |
| 文件： | 总15页 (文件大小：3134K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Version 1.2, Aug 2010
Application Note
AN-EVAL3DS01G28W
28W-LCD – Monitor SMPS
Evaluation Board with ICE3DS01G
Author: Harald Zöllinger
Published by Infineon Technologies AG
http://www.infineon.com/CoolSET
Power Management & Supply
N e v e r s t o p t h i n k i n g
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Table of Contents
Table of Contents .................................................................................................................................................. 1
Introduction........................................................................................................................................................... 2
List of Features...................................................................................................................................................... 3
Power Supply Specification.................................................................................................................................. 3
Schematic............................................................................................................................................................... 4
Functional Description ......................................................................................................................................... 5
PCB Layout and Assembly................................................................................................................................... 6
Bill of Material ...................................................................................................................................................... 7
Transformer Construction................................................................................................................................... 8
Performance Data ................................................................................................................................................. 9
References............................................................................................................................................................ 11
www.Infineon.com/CoolSET
Page 1 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Introduction
Application
This document is an Demoboard description for a low cost universal input LCD – Monitor power
supply designed in a typical off line flyback converter topology that utilizes the ICE3DS01G controller.
The application operates in discontinuous current mode using the burst mode during standby
condition. The board has two output voltages with secondary regulation.
The high avalanche rugged CoolMOS eliminates or reduces the need for a heatsink and permits a
SMPS design with a simply RCD snubber and a low cost standard transformer design. The lowest
area specific Rdson leads to a high efficiency and permits an operation at high ambient temperature.
ICE3DS01G
This Controller is a current mode control IC and high voltage startup current source within one
standard package designed for low cost power supplies. ICE3DS01G together with external CoolMOS
combines the optimized technology of the control IC with enhanced protection features and improved
standby power concept with the superior technology of CoolMOS. The integrated propagation delay
compensation (patented by Infineon Technologies) prevents a current overshoot, the result is a
reduced electrical stress on the MOSFET, the transformer and the output diode.
Figure 1– EVAL3DS01G28W
This document contains the power supply specification, schematic, bill of material and the transformer
construction documentation. Typical operating characteristics are presented at the rear of the report
and consist of performance curves and scope waveforms.
Note:
Design calculations for the components and the transformer were performed in accordance with the
application note “AN–SMPS–ICE3DS01G for OFF – Line Switch Mode Power Supplies”, and
FlyCal, a EXCEL based design software according to the application note AN-SMPS-ICE2AXXX. The
application note and FlyCal are available on the Internet: www.Infineon.com/CoolSET
www.Infineon.com/CoolSET
Page 2 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
List of Features
Feature
Controller ICE3DS01G
External Sense
Adjustable Softstart
Over Load Protection with auto restart
Over Current Protection with auto restart
Over Temperature with latched shutdown
Open Loop Protection with latched shutdown
Under Voltage Lock Out with auto restart
Active Burst Mode
Internal startup current source
Drain Source Voltage 600V
Internal Leading Edge Blanking
110 kHz working frequency
Standby Power according to European Comission
Table 1 – List of Features
Power Supply Specification
Description
Symbol
Min
Typ
Max
270
64
Units
Input Section
Input Voltage
Line Regulation (85...270V)
Input Frequency
VACIN
fac
90
115/230
< 1
VAC
%
47
50/60
Hz
1
Standby Input Power (240VAC
)
< 480
mW
Output Section
VOUT
Output Voltage 1
Output Voltage Ripple (270VAC
Output Current
Output Power
Output Voltage 2
Output Voltage Ripple (270VAC
Output Current
Output Power
5
VDC
mVP-P
ADC
W
)
)
VRipple
<200
IOUT
2
POUT
VOUT
0,15
0
10
12
VDC
mVP-P
ADC
W
VRipple
IOUT
<200
1,5
18
POUT
Peak Power
POUTmax
34
< 1
78
W
Load Regulation (10...100%)
%
η
η
Efficiency (90VAC
)
%
Efficiency (270VAC
)
80
%
Environmental
Conducted EMI
Ambient Temperature
EN55022B
°C
TA
0
60
Table 2 – Power Supply Specification
1 Pout = 250mW
www.Infineon.com/CoolSET
Page 3 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Schematic
Figure 2 LCD Monitor Supply
www.Infineon.com/CoolSET
Page 4 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Functional Description
Introduction
The EVAL3DS01G28W demoboard is designed as a low cost LCD - Monitor power supply using the
ICE3DS01G integrated circuit controller. The circuit shown in Figure 2 details a 5V, 12V 28W supply
that operates from an line input voltage range of 85 to 265VAC, suitable for applications requiring low
power standby function.
Line Input
The AC line input side comprises of an input fuse F1 as line input over current protection as well as
choke L1 and the X2 capacitors C7 and C22 as radio interference suppressors. After the bridge
rectifier BR1 and input capacitor C3, a voltage from 120 to 380 VDC is present. Only a 82µF input
capacitor is required due to the wide duty cycle DCMAX of the ICE-F3-family.
Startup
The internal current source charges up the chip supply capacitor C4 with a current of approximately
1mA.
Operation Mode
During operation, the VCC pin is supplied via a separate transformer winding with associated
rectification D2 and buffering C4. Resistor R6 is used for current limiting during the charging of C4. In
order not to exceed the maximum voltage at VCC pin resistor R15 causes an voltage drop of about 1V.
Additional an external zener diode D5 can be used to limit this voltage if necessary. During light or no
load condition the controller switches over to active burst mode operation order to reduce the
switching losses without audible noise.
Softstart
In order to minimize the electrical stress, a Soft-Start function is realized by an internal resistor and the
adjustable external capacitor C10.
Snubber Network
Due to the high avalanche rugged CoolMOS inside, a simple RCD snubber protection can be used.
The network R7, C8 and D3 clamp the DRAIN voltage spike caused by transformer leakage
inductance to a safe value below the drain source break down voltage VDSBR = 650V maximum.
Limitation of primary current
The CoolMOS drain source current is sensed via external shunt resistors R10 and R11. An accurate
value of the shunt improves the peak power limitation shown in the curve peak power limitation in the
rear of this report and minimize the electrical stess on MOSFET, Transformer and output rectifier.
Output Voltage
Power is coupled out on the secondary side via a fast-acting diodes D1 and D4 with low forward
voltage. Capacitors C5, C14 and C9, C15 performs energy buffering, following LC - filters L2, C16 and
L3, C17 considerably reduces the output voltage ripple. The used storage output capacitors C5, C14
and C9, C15 are selected to have a very low ESR in order to minimize the output voltage ripple
caused by the triangular current characteristic.
Regulation
The output voltage is controlled using a type TL431 reference diode. This device incorporates the
voltage reference as well as the error amplifier and a driver stage. The output voltage is set with
resistors R1 and R2. Compensation network C1, C2, R1, R5 constitutes the external circuitry of the
error amplifier of IC2. This circuitry allows the feedback to be precisely matched to dynamically varying
load conditions, thereby providing stable control. The maximum current through the optocoupler diode
and the voltage reference is set by using resistors R3, R4. Optocoupler IC1 is used for floating
transmission of the control signal to the “Feedback” input of the ICE3DS01G control device. The
optocoupler used meets DIN VDE 884 requirements for a wider creepage distance.
www.Infineon.com/CoolSET
Page 5 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
PCB Layout and Assembly
Figure 3 Board Layout - Component Side
Figure 4 Board Layout - Bottom Side
www.Infineon.com/CoolSET
Page 6 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Bill of Material
Pos.
N o P
Part
BR1
C1
C2
C3
Type
B380 C1500
470nF, 25V, X7R
3,3nF, 25V, X7R
82uF,400V, d30x20
47uF, 35V
Grid
Ordering Code
Manufacturer
1
2
3
4
5
1
1
1
1
1
1206
1206
10mm
2,5mm
Rubycon AXF series
C4
C9, C15,
EPCOS B41886-
6
3
1000uF, 16V
5mm
C17
Rubycon ZL series
7
8
2
1
C7, C22
C8
0,1uF, 275V, X2
1nF, 400V, MKT
15mm
B81130-C1104M
EPCOS
7,5mm
C5, C14,
C16
EPCOS B41886-
9
3
4
470uF, 25V
1uF, 25V
5mm
1206
Rubycon ZL series
C10, C11,
C18, C19
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
1
1
1
1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
1
1
1
1
1
C6
D1
D2
D3
D4
1nF, 250V, Y1
BYW98-200
LLN4148
1N4937
SB540
ZMM20
Microfuse 3,15A, F
SFH617A-3X016
TL431CLP
ICE3DS01G
SPB03N60C3
Wire
39mH, 0,6A
1uH
4k7, 1%
4k7, 1%
0,56k
1,3k
4,7k
10R
39k, 1W
1,3R, 0,6W, 1%
1,3R, 0,6W 1%
4,7R
12,5mm WKP
15mm
MM
10mm
15mm
MM
5mm
10mm
TO92
Vishay
D5
F1
IC1
IC2
IC3
T1
W1, W2
L1
L2, L3
R1
R2
R3
R4
R5
R6
SO8
TO252
Infineon
Infineon
B82731-M2601-A30
EPCOS
Würth
5mm
1206
1206
1206
1206
1206
1206
10mm
10mm
10mm
10mm
1206
1206
744772010
R9
R10
R11
R14
R16
R15
100R
120R
see transformer
construction
37
1
TR1
E25 Bobbin horizontal
Kaschke
3
1
X1, X2, X3 Connector 2pol.
Label
38
39
* = not assembled
www.Infineon.com/CoolSET
Page 7 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Transformer Construction
www.Infineon.com/CoolSET
Page 8 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Performance Data
Efficiency
1,00
0,80
0,60
0,40
0,20
0,00
0
5
10
15
20
25
30
Pout [W]
Vin = 85Vac
Vin = 230Vac
Fig. 5: Efficiency
Standby Power @ 250mW Pout
500
490
480
470
460
450
440
430
420
410
85
135
185
235
Vacin [V]
Fig. 6: Standby Power
www.Infineon.com/CoolSET
Page 9 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Crossregulation
15
13
11
9
7
5
3
1
-1
0,2
0,4
0,6
0,8
1
1,2
1,4
Iout12 [A]
Iout5 = 0,5A
Iout5 = 1A
Iout5 = 1,5A
Iout5 = 2A
Fig. 7: Crossregulation
Line Regulation
14
12
10
8
6
4
2
0
85
135
185
235
Vacin [V]
5V
12V
Fig. 8: Line Regulation
www.Infineon.com/CoolSET
Page 10 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Fig. 9: EMC Measurement
www.Infineon.com/CoolSET
Page 11 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
References
[1]
[2]
[3]
ICE3DS01G for OFF-Line Switch Mode Power Supplies
Application Note, Infineon Technologies
ICE2AXXX for OFF-Line Switch Mode Power Supplies
Application Note, Infineon Technologies
F2+
ICE3DS01G
Off-line SMPS Current Mode Controller with integrated 500V Startup Cell
Datasheet, Infineon Technologies
Note:
The built-in transformer does not comply with EN60950 safety requirements
in respect of electrical isolation.
www.Infineon.com/CoolSET
Page 12 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Change service
Revision History
Application Note EVAL3DS01G28W
Actual Release: V1.2 Date:11.08.2010
Previous Release: V1.1
Page of
actual
Rel.
Page of
Subjects changed since last release
prev. Rel.
---------- Change
to
EVAL3DS01G28W
15
15
Part List
For questions on technology, delivery and prices please contact the Infineon
Technologies Offices in Germany or the Infineon Technologies Companies and
Representatives worldwide: see the address list on the last page or our webpage at
http://www.infineon.com
CoolMOS and CoolSET are trademarks of Infineon
Technologies AG.
We listen to Your Comments
Any information within this dokument that you feel is wrong, unclear or missing at all?
Your feedback will help us to continously improve the quality of this dokument.
Please send your proposal (including a reference to this dokument) to:
mcdoku.comment@infineon.com
Edition 2010-08-11
Published by Infineon Technologies AG,
St.-Martin-Strasse 53,
D-81541 München
© Infineon Technologies AG 2000.
All Rights Reserved.
Attention please!
The information herein is given to describe certain components and shall not be considered as warranted characteristics.
Terms of delivery and rights to technical change reserved.
We hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts
stated herein.
Infineon Technologies is an approved CECC manufacturer.
Information
For further information on technology, delivery terms and conditions and prices please contact your nearest Infineon Technologies Office in
Germany or our Infineon Technologies Representatives worldwide (see address list).
Warnings
Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your
nearest Infineon Technologies Office.
Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon
Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the
safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body, or to support
and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be
endangered.
www.Infineon.com/CoolSET
Page 13 from 15
EVAL3DS01G28W
V1.2
LCD Monitor SMPS Evaluation Board with ICE3DS01G
Infineon goes for Business Excellence
“Business excellence means intelligent approaches and clearly defined
processes, which are both constantly under review and ultimately lead to
good operating results.
Better operating results and business excellence mean less idleness
and wastefulness for all of us, more professional success, more accurate
information, a better overview and, thereby, less frustration and more
satisfaction.”
Dr. Ulrich Schumacher
www.Infineon.com/CoolSET
Page 14 from 15
EVAL3DS01G28W
V1.2
相关型号：
EVAL5986
2.5 A step-down switching regulator demonstration board based on the L5986, L5986A
STMICROELECTR
EVAL5987A
3 A step-down switching regulator demonstration board based on the L5987, L5987A
STMICROELECTR
EVAL6470H
dSPIN fully integrated microstepping motor driver with motion engine and SPI
STMICROELECTR
©2020 ICPDF网 联系我们和版权申明