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參數(shù)資料
| 型號： | TSM115CN |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 3.3V +5V 【12V Housekeeping IC |
| 中文描述： | 3.3 5V的【12V的管家集成電路 |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 219K |
| 代理商： | TSM115CN |
TSM115
Pin Description
2/17
1 Pin Description
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
Name
Pin #
Type
Function
Fault
Gnd
1
2
Open collector
Power supply
Fault
output. Output of the over voltage and under voltage comparators.
Signal ground and silicon substrate
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.
A capacitor from this pin to
Gnd
provides a delay between outputs rail volt-
age within regulation and
PG
output going high. Capacitor discharges
whenever
Bsense
low or
Rem
high or UVP is detected.
This capacitor will also provide the under voltage blanking function when
the voltage at this pin is larger than the
Vref
voltage. The under voltage
function resume.
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.
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. This capacitor will also provide the overcurrent blanking function
(surge current).
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.
Over voltage and under voltage detection for +5V rail
5V overcurrent control sense input.
Over voltage and under voltage detection for +12V rail
Over voltage and under voltage detection for +12V rail
Over voltage and under voltage detection for -12V rail.
12V overcurrent control sense input.
Over voltage and under voltage detection for 3.3V rail.
3.3V overcurrent control sense input.
A resistor from this pin to
Gnd
will provide the internal constant current.
Supply input voltage
PG
4
Open collector
Tuv/Tpg
5
Timing capacitor
Rem
6
Control Input pin
Trem/Tsur
7
Timing capacitor
Bsense
9
Control input pin
Vs5
Is5
Vs12a
Vs12b
Vs-12
Is12
Vs3.3
Is3.3
Rcrnt
Vcc
10
11
12
13
14
15
16
17
19
20
Analog input
Analog Input
Analog input
Analog input
Analog input
Analog Input
Analog input
Analog Input
Analog input
Power supply
Symbol
DC Supply Voltage
Value
Unit
Vcc
Vpmax
Vnmax
VDBTT
VTER
PT
Tstg
Tj
ESD
DC Supply Voltage
1
Terminal voltage Vs3.3, Is3.3, Vs12, Is12, Vs5, Is5
Terminal voltage Vs-12
VTpg/Tuv, VTrem/Tsur input voltage
Other terminals
Power dissipation
Storage temperature
Junction temperature
Electrostatic Discharge
-0.3 to 18
-0.3 to 18
-15 to 5
-0.3 to 3.3V
-0.3 to Vcc
1
-55 to 150
150
2
V
V
V
V
V
W
°C
°C
kV
1) All voltage values, except differential voltage are with respect to network ground terminal.
Symbol
Parameter
Value
Unit
Vcc
Toper
DC Supply Conditions
Temperature range
3 to 15
0 to 95
V
°C
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