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PDF TSM114 Data sheet ( Hoja de datos )
| Número de pieza | TSM114 | |
| Descripción | Housekeeping IC | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TSM114
3.3V 5V ±12V Housekeeping IC
s Over voltage and under voltage protection
for 3.3V 5V and ±12V without external
components
s Under voltage blanking function
s Power good input/output
s Externally adjustable PG delay
s Fault output
s Remote input
s Externally adjustable remote delay
s Precision voltage reference
s 2kV ESD protection (HBM)
Description
The TSM114 integrated circuit incorporates all of
the sensing circuitry required to regulate and
protect a multiple-output power supply (3.3V, 5V,
and ±12V) from both over-voltage and
under-voltage.
The TSM114 also includes all of the necessary
functions for housekeeping features, which allow
for safe operation under all conditions, as well as
very high system integration.
A precise voltage reference is also integrated in
the TSM114
Applications
s PC SMPS multiple Power Line
Housekeeping IC (3.3V 5V ±12V)
N
DIP-14
(Plastic Package)
Pin Connections (top view)
1 Fault Vcc 14
2 Gnd
Rcrnt 13
3 PG
Vs3.3 12
4 Tpg
Vs-12 11
5 Rem Vs12 10
6 Trem Vs5 9
7 Tuv Bsense 8
Order Codes
Part Number
TSM114IN
Temperature Range
0 to +95°C
Package
DIP14
Packaging
Tube
Marking
TSM114
October 2004
Revision 1
1/14
1 page  
Electrical Characteristics
Figure 1: Application Schematic
Primary
Rectification
Main
Converter
PWM+Opto.
Vref
Auxiliary
Converter
12V
5V
3.3V
-12V
Vcc
5Vstby
Vcc
12V
5V
3.3V
-12V
5Vstby
FAULT
PWM+Opto.
Vref
- Over & Under voltage protection
- Voltage reference
- Logic
- Sequencer
PG
TSM114
Rem
TSM114
Figure 2: Internal Schematic
Vcc
Vs12
Vs5
Vs3.3
Vs-12
Bsense
TSM114
OVP
UVP
Logic
Secondary
HouseKeeping
Fault
PG
UV
Blanking
Rem
Gnd Tuv Rcrnt Trem Tpg
Cuv Rcrnt Crem Cpg
5/14
5 Page 
Electrical Characteristics
Table 5: Truth table for OVP and UVP detection
Vs12
Uv<Vs12<Ov
Vuv12
Vov12
x
x
x
x
x
x
x
x
x
x
x
Vs5
Uv<Vs5<Ov
x
x
Vuv5
Vov5
x
x
x
x
x
x
x
x
x
Vs3.3
Uv<Vs3.3<Ov
x
x
x
x
Vuv3.3
Vov3.3
Dis3.3
x
x
x
x
x
x
TSM114
Vs-12
Uv<Vs-12<Ov
x
x
x
x
x
x
x
x
x
x
Vuv-12
Vov-12
Dis-12
Pg
1
0
0
0
0
0
0
Versus other rails
0
0
Versus other rails
0
0
Versus other rails
11/14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet TSM114.PDF ] | |
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