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參數(shù)資料
| 型號： | TSM114CN |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 電源管理 |
| 英文描述： | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 249K |
| 代理商： | TSM114CN |
TSM114
Pin Descriptions
2/14
1
Pin Descriptions
Table 1: This table gives the pin description for DIP14 package
2
Absolute Maximum Ratings
Table 2: Key parameters and their absolute maximum ratings
Table 3: Operating Conditions
Name
Pin #
Type
Function
Fault
1
Open collector
Fault output. Output of the over voltage and under voltage comparators
Gnd
2
Power supply
Signal ground and silicon substrate
PG
3
Open collector
Output of the Tpg comparator. This pin goes low upon an under voltage
condition. Except for the delay set by the Tpg capacitor this pin always
reflects the actual state of the under voltage sensing comparators output.
Tpg
4
Timing capacitor
A capacitor from this pin to Gnd provides a delay between outputs rail
voltage within regulation and PG output going high. Capacitor discharges
whenever Bsense low or Rem high or UVP is detected.
Rem
5
Control Input pin
Pulling this pin high will send the Fault pin high latching off the power sup-
ply, reset the internal latch, discharge the start-up timing capacitors, Tuv
and Tpg capacitors, allowing normal start up of the system. Pulling this pin
low will send the Fault pin low, initiating a normal start up function.
Trem
6
Timing capacitor
A capacitor from this pin to Gnd will delay the Fault signal when the Rem
pin is used to shut down the power supply. The PG will signal a power fail-
ure warming immediately, but the Fault pin shut down of the power will be
delayed.
Tuv
7
Timing capacitor
A capacitor from this pin to Gnd will provide the under voltage blanking
function. This capacitor is charging when the Bsense and Rem signal is in
the right state. As the voltage at this pin is larger than the Vref voltage.
The under voltage function resume.
Bsense
8
Control input pin
Non inverting input to the Bsense voltage sensing comparator. Pulling this
pin lower than 2.5V will cause PG goes low and Tuv goes low.
Vs5
9
Analog input
Over voltage and under voltage detection for +5V rail
Vs12
10
Analog input
Over voltage and under voltage detection for +12V rail
Vs-12
11
Analog input
Over voltage and under voltage detection for -12V rail.
Vs3.3
12
Analog input
Over voltage and under voltage detection for 3.3V rail. This function is dis-
abled by connecting to Vcc
Rcrnt
13
Analog input
A resister from this pin to Gnd will provide the internal constant current.
Vcc
14
Power supply
Supply input voltage
Symbol
DC Supply Voltage
Value
Unit
Vcc
DC Supply Voltage 1
1) All voltage values, except differential voltage are with respect to network ground terminal.
-0.3 to 25
V
Vpmax
Terminal voltage V12, V5, V3.3
-0.3 to 25
V
Vnmax
Terminal voltage V-12
-16 to Vref
V
VDBTT
VTuv, VTpg, VTrem input voltage
-0.3 to 3.3V
V
VTER
Other terminals
-0.3 to Vcc
V
PT
Power dissipation
1
W
Toper
Operational temperature
0 to 95
°C
Tstg
Storage temperature
-55 to 150
°C
Tj
Junction temperature
150
°C
ESD
Electrostatic Discharge
2K
V
Symbol
Parameter
Value
Unit
Vcc
DC Supply Conditions
4.2 to 24
V
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