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PDF SI9105DJ02 Data sheet ( Hoja de datos )
| Número de pieza | SI9105DJ02 | |
| Descripción | 1-W High-Voltage Switchmode Regulator | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Si9105
Vishay Siliconix
1-W High-Voltage Switchmode Regulator
FEATURES
D CCITT Compatible
D Current-Mode Control
D Low Power Consumption
(less than 5 mW)
D 10- to 120-V Input Range
D 200-V, 250-mA MOSFET
D Internal Start-Up Circuit
D Current-Mode Control
D SHUTDOWN and RESET
DESCRIPTION
The Si9105 high-voltage switchmode regulator is a monolithic
BiC/DMOS integrated circuit which contains most of the
components necessary to implement a high-efficiency dc/dc
converter in ISDN terminals up to 3 watts. A 0.5-mA max
supply current makes possible the design of a dc/dc converter
with 60% efficiency at 25 mW, therefore meeting the
recommended performance under the CCITT
I.430 specifications.
This device may be used with an appropriate transformer to
implement isolated flyback power converter topologies to
provide single or multiple regulated dc outputs (i.e., "5 V).
The Si9105 is available in both standard and lead (Pb)-free
16-pin wide-body SOIC, 14-pin plastic DIP and 20-pin PLCC
packages which are specified to operate over the industrial
temperature range of −40_C to 85_C.
FUNCTIONAL BLOCK DIAGRAM
VREF
BIAS
VCC
+VIN
OSC OSC
FB
COMP DISCHARGE
IN OUT
Error
Amplifier
−
+
4 V (1%)
2V
Ref
Gen
−
+
+
−
Current
Sources
1.2 V
To
Internal
Circuits
Current-Mode
Comparator
OSC
Clock (½ fOSC)
R
Q
S
C/L
Comparator
8.7 V
− Undervoltage Comparator
+
−
+ 9.3 V
S
Q
R
VCC
DRAIN
(B−OVDINY)
SOURCE
SHUTDOWN
RESET
Document Number: 70003
S-42030—Rev. H, 15-Nov-04
www.vishay.com
1
1 page  
PIN CONFIGURATIONS
PDIP-14
1 14
2 13
3 12
4 11
5 10
69
78
Top View
SO-16
(Wide-Body)
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
Top View
Si9105
Vishay Siliconix
PLCC-20
3 2 1 20 19
4 18
5 17
6 16
7 15
8 14
9 10 11 12 13
Top View
Function
SOURCE
−VIN
VCC
OSCOUT
OSCIN
DISCHARGE
VREF
SHUTDOWN
RESET
COMP
FB
BIAS
+VIN
DRAIN
NC
PIN DESCRIPTION
Pin Number
14-Pin Plastic DIP
4
5
6
7
8
9
10
11
12
13
14
1
2
3
16-Pin SOIC
1
2
4
5
6
7
8
9
10
11
12
13
14
16
3, 15
Standard
Part Number
Si9105DJ02
Si9105DW
Si9105DW-T1
(With Tape and Reel)
Si9105DN02
ORDERING INFORMATION
Lead (Pb)-Free
Part Number
Package
Si9105DJ02—E3
PDIP-14
Si9105DW-T1—E3
(With Tape and Reel)
Si9105DN02—E3
SOIC-16 (WB)
PLCC-20
Document Number: 70003
S-42030—Rev. H, 15-Nov-04
20-Pin PLCC
7
8
9
10
11
12
14
16
17
18
20
2
3
5
1, 4, 6, 13, 15, 19
Temperature
Range
−40 to 85 _C
www.vishay.com
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet SI9105DJ02.PDF ] | |
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