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PDF 71117 Data sheet ( Hoja de datos )
| Número de pieza | 71117 | |
| Descripción | SI9113 Demonstration Board | |
| Fabricantes | Vishay Siliconix | |
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Si9113 Demonstration Board
Si9113DB
Vishay Siliconix
FEATURES
D ISDN-NT Input Voltage Range 28 V to 99 V
D Non-Polar Input
D 3.3-V/120-mA, 40-V/12-mA Outputs With Up To 80% Efficiency
D Up to 68% Efficiency at 80-mW Load
D 40 V Isolated By 3 kV From Input And 3.3-V Output – Si9113D1
D 3.3 V, 40 V Isolated By 1.5 kV From Input/Each Other – Si9113D2
D Current Mode Control, 0.6-V Fast Over-Current Protection
D Max 50% Duty Cycle Operation
D 1.3-MHz Error Amp
D Soft-Start
D <10-mA Supply Current for +VIN <18 V
D Programmed Start/Stop
D Internal Start-Up Circuit
D Power_Good Output
DESCRIPTION
As discussed in application note, AN728, the Si9113 power
supply controller is an ideal choice for ISDN terminal
equipment, where high efficiency at a low power level is one of
most important criteria. Therefore, Vishay Siliconix has
developed versions of a dual output flyback application
demonstration boards, the Si9113D1 and the Si9113D2, which
use different regulation schemes. These readily available
demo boards are configured to deliver approximately 800 mW
at 3.3-V, and40-V. These outputs and can be easily modified
for other output voltages at approximately same power level.
The flyback converters are designed to operate from a wide
input voltage range of 28 V to 99 V and are polarity protected
by a diode bridge. The Si9113D1 and Si9113D2, both operate
at 20-kHz switching frequency to achieve the best possible
efficiency. The transformer is selected to be slightly larger in
this application so that the same area product would be good
enough for an even lower window utilization factor (w.u.f.)
transformer in order to meet the stringent requirements of
clearance and creepage distances.
10% to100% load range, including the set point accuracy.
Correspondingly. the transformer must be specified with tight
tolerance to achieve the given set point accuracy. The 40-V
output is isolated from both the input and 3.3-V output by
minimum 3 kVrms isolation.
The Si9113D2 uses the auxiliary output (VCC bootstrap
winding) for sensing. Both VOUT1 (3.3 V) and VOUT2 (40 V)
follow the auxiliary output, residing on one core and sharing the
same flux. Both the outputs are isolated from the input as well
as from each other by 1.5 kV and moderately regulated to
$5%.
Each demonstration board uses all surface mount
components except the high voltage electrolyte capacitor and
are fully assembled and tested for quick evaluation. Test points
are provided for the power_good signal and the closed loop
response measurement.
The Si9113D1 senses and tightly regulates the main output
VOUT1 (3.3 V), which has the common ground as input and the
secondary output VOUT2 (40 V) is regulated to within $10% at
Included in this document are the Bill-Of-Materials,
Schematics, PCB Layout of the Demo Boards and actual
waveforms/graphs.
The demonstration board layout is available in Gerber file format. Please contact your Vishay Siliconix sales representative or
distributor for a copy.
ORDERING INFORMATION:
Si9113D1— VOUT1 (3.3 V) Tightly regulated, non-isolated
VOUT2 (40 V) Loosely regulated, 3 kV isolated
Si9113D2— VOUT1 (3.3 V) Moderately regulated, 1.5 kV isolated
VOUT2 (40 V) Moderately regulated, 1.5 kV isolated
Document Number: 71117
29-Feb-00
www.siliconix.com S FaxBack 408-970-5600
1
1 page  
Si9113DB
Vishay Siliconix
Dynamic Load Response
The step load is applied at 1A/mS slew rate at one output, while keeping the other output at rated load. Refer to Figures 11 through 14.
VIN = 48 V
VOUT1 = Step –12 to 120 mA
Ch1 = VOUT1 (3.3 V)
Ch4 = Load (50 mA/div)
Slew Rate = 1A/msec
FIGURE 11. VOUT1 (3.3 V) Transient Load Response – Si9113D1
VIN = 48 V
VOUT2 = Step Load 1.2 to 12 mA
VOUT1 = At Full Load
Ch1 = VOUT2 (40 V)
Ch4 = Load (10 mA/div)
Slew Rate = 1A/msec
FIGURE 12. VOUT2 (40 V) Transient Load Response – Si9113D1
VIN = 48 V
VOUT1 = Step Load 12 mA – 120 mA
VOUT2 = At Full Load
Ch1 = VOUT1 (3.3 V)
Ch4 = 100 mA/div
Slew Rate = 1A/msec
FIGURE 13. VOUT1 (3.3 V) Transient Load Response—Si9113D2
Document Number: 71117
29-Feb-00
VIN = 48 V
VOUT2 = Step Load 1.2 mA – 12 mA
VOUT1 = At Full Load
Ch1 = VOUT2 (40 V)
Ch4 = 10 mA/div
Slew Rate = 1A/msec
FIGURE 14. VOUT2 (40 V) Transient Load Response—Si9113D2
www.siliconix.com S FaxBack 408-970-5600
5
5 Page 
Si9113DB
Vishay Siliconix
Item
1
2
3
4
5
6
7
8
9
10
11
12
Qty
2
1
1
1
1
1
1
1
1
1
1
1
Designator
“R1, R4”
R2
R3
R5
R6
R7
R8
R9
R10
R11
R12
R13
13 1
C1
14 1
C2
15 1
C3
16 1
C4
17 3 “C5, C6, C12”
18 1
C7
19 2
“C8, C9”
20 1
C10
21 1
C11
TABLE 2. BILLĆOFĆMATERIALSĊSi9113D2
Part Type
1 MW
300 kW
5.1 MW
3.96 MW
5.1 W
2W
51 W
89 kW
12.7 kW
1 kW
5.1 kW
2.7 W
Description
“RES, 1%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 5%, 1/8 W”
“RES, 1%, 1/2 W, PWR Metal”
“RES, 5%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 1%, 1/8 W”
“RES, 5%, 1/8 W”
Footprint
0805
0805
0805
0805
0805
2010
0805
0805
0805
0805
0805
0805
Vendor Part #
CRCW08051004FRT1
CRCW08053003FRT1
CRCW08055104FRT1
CRCW08053964FRT1
CRCW080551JRT1
WSC-1/2
CRCW0805510JRT1
CRCW08058902FRT1
CRCW08051272FRT1
CRCW08051001FRT1
CRCW08055101FRT1
CRCW080527JRT1
22 mF
100 pF
470 pF
1 mF
0.1 mF
0.001 mF
0.01 mF
2.2 mF
220 mF
“CAP, ELEC, 160 V, VR”
“CAP, CER”
“CAP, CER”
“CAP, CER, 25 V”
“CAP, CER”
“CAP, CER”
“CAP, CER”
“CAP, TAN, 50 V”
“CAP, TAN, 6.3 V”
RB.2/.4
0805
0805
1210
0805
0805
0805
595D_C
594D_C
UVR2C220MEA
VJ0805Y101KXXAT
VJ0805Y471KXXAT
VJ1210U105ZXAA
VJ0805Y104KXXAT
VJ0805Y102KXXAT
VJ0805Y103KXXAT
595D225X0050C2T
594D227X06R3C2T
Manufacturer
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Vishay Dale
Nichicon
Vishay Vitramon
Vishay Vitramon
Vishay Vitramon
Vishay Vitramon
Vishay Vitramon
Vishay Vitramon
Vishay Sprague
Vishay Sprague
22 2
23 1
24 1
“D1, D2”
D3
D4*
ES1G
B130LB
BZX84C43
“Diode, 1 A”
“Schottky Diode, 1 A”
“Zener Diode, 41 V”
SMA
SMB
SOT–23
ES1G
B130LB
BZX84C43
Vishay Liteon
Vishay Liteon
Vishay Liteon
25 1
T1 LPE-9080-A414
Transformer
XFMR_LPE908
0
LPE-9080-A414
Vishay Dale
26 1
BR1
DF04S
Bridge
BR1
Vishay Liteon
27 1
28 1
Q1 (NU)
Q01
BSP89
Si3420DV
N–Channel DMOSFET (NU)
N–Channel MOSFET
SOT-223
TSOP-6
BSP89
Si2320DS
Philips Semicoductors
Vishay Siliconix
29 1
U1
Si9113
Power IC
SO-14
Si9113
Vishay Siliconix
30 2
31 6
*Optional
“TP1, TP2”
P1 TO P6
Test Point
“PWR, GND”
1-Pin Header
1-Pin Header
TP1
TP1
Multi-Source
Multi-Source
Document Number: 71117
29-Feb-00
www.siliconix.com S FaxBack 408-970-5600
11
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet 71117.PDF ] | |
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