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PDF TSM115CN Data sheet ( Hoja de datos )
| Número de pieza | TSM115CN | |
| Descripción | 3.3V +5V 12V Housekeeping IC | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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TSM115
3.3V +5V ±12V Housekeeping IC
s Over voltage and under voltage protection
for 3.3V +5V and ±12V without external
components
s Over current protection for 3.3V 5V and
12V with external components
s Under voltage blanking fonction
s Power good input/output
s Externally adjustable PG delay
s Fault output
s Remote output
s Externally adjustable remote delay
s 2kV ESD protection
DESCRIPTION
The TSM115 integrated circuit incorporates all
sensing circuitry to protect from over and under
voltage and over current a multiple output power
supply (3.3V, +5V and ±12V).
TSM115 incorporates all the necessary functions
for Housekeeping features which allow safe
operation in all conditions, and very high system
integration.
PRELIMINARY DATA
N
DIP-20
(Plastic Package)
D
SO-20
(Plastic Micropackage)
PIN CONNECTIONS (top view)
1 Fault
Vcc 20
2 Gnd
Rcrnt 19
3 nc
nc 18
4 PG
Is3.3 17
5 Tuv/Tpg Vs3.3 16
6 Rem
Is12 15
7 Trem/Tsur Vs-12 14
8 nc
Vs12b 13
APPLICATION
s PC SMPS Multiple Power Line
Housekeeping IC (3.3V +5V ±12V)
9 Bsense
10 Vs5
Vs12a 12
Is5 11
ORDER CODE
Part Number
TSM115CN
TSM115CD
Temperature Range
0 to 95°C
Package
DIP
SO
Packaging
Tube
Tube or Tape & Reel
Marking
TSM115C
M115
July 2004
1/17
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1 page  
Electrical Characteristics
Fig. 1: Application Schematic
Primary
Rectification
MAIN
Converter
12V
5V
3.3V
-12V
PWM + OPTO
+ Vref
Auxiliary
converter
5Vstby
5Vstby
TSM115
rsc12b
rsc12a
rsc5
rsc3.3
12V
12V
5V
3.3V
-12V
PWM + OPTO
+ Vref
FAULT
Over & Undervoltage Protection
Logic
TSM115
Sequencer
PG
REM
Fig. 2: Internal Bloc Schematic
12V
12V
5V
3.3V
12V
5V
3.3V
-12V
Vs12b
Vs12a
Vs5
Vs3.3
Rocp12V Is12
Rocp5V Is5
Rocp3.3V Is33
Vs-12
Bsense
Rcrnt
OVP
UVP
OCP
Vcc
TSM115
LOGIC
BLOCK
Vstby
FAULT
Vstby
PG
Rem
Trem/Tsur
Tuv/Tpg
Cpg
Gnd
Crem
5/17
5 Page 
Electrical Characteristics
9 - Fault Vcc start up
Vcc
10 - Fault Vcc shut down
Vcc
TSM115
Gnd
Bsense
Rem
Trem/Tsur
V5
V-12
Tuv/Tpg
Fault
Vtpg
Vtuv
Tuv
PG
Tpg
V5
Gnd
V-12
Bsense
Rem
Trem/Tsur
Trem
Tuv/Tpg
Fault
PG
11/17
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet TSM115CN.PDF ] | |
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