L4947PD Ver la hoja de datos (PDF) - STMicroelectronics
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L4947PD Datasheet PDF : 6 Pages
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L4947PD
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Vi
DC Input Voltage
DC Reverse Input Voltage
Transient Input Overvoltages :
Load Dump :
5ms ≤ trise ≤ 10ms
τf Fall Time Constant = 100ms
RSOURCE ≥ 0.5Ω
Field Decay :
5ms ≤ tfall ≤ 10ms, RSOURCE ≥ 10Ω
τr Rise Time Constant = 33ms
Low Energy Spike :
trise = 1µs, tfall = 500µs, RSOURCE ≥ 10Ω
fr Repetition Frequency = 5Hz
VR
TJ, Tstg
Reset Output Voltage
Junction and Storage Temperature Range
Note: The circuit is ESD protected according to MIL-STD-883C.
Value
35
– 18
80
– 80
± 100
35
– 55 to 150
PIN CONNECTION (Top view)
GND
DELAY CAP.
+VOUT
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
GND
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
D94AT107A
GND
RESET
N.C.
+VIN
N.C.
N.C.
N.C.
N.C.
N.C.
GND
THERMAL DATA
Symbol
Parameter
Rth j-case Thermal Resistance Junction-case
Max
TEST CIRCUIT
Value
3
IN
17
3
OUT
Ci 100nF L4947PD
2
19
Cd 100nF
1-20
RP
Co
47µF(*)
RESET
OUTPUT
D94AT108
(*) Min 20µF, ESR <10Ω over full temperature range
RP (pull up resistor) and RL (load) are both equal to 1kΩ.
2/6
Unit
V
V
V
V
V
V
°C
Unit
°C/W
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