l4947r STMicroelectronics, l4947r Datasheet - Page 2

• Manufacturer Part Number: l4947r
• Description: 5v-0.5a Very Low Drop Regulator With Reset
• Manufacturer: STMicroelectronics

L4947 - L4947R
ABSOLUTE MAXIMUM RATINGS
Note: The circuit is ESD protected according to MIL-STD-883C.
PIN CONNECTION (Top view)
THERMAL DATA
TEST CIRCUIT
2/6
(*) Min. 20 F, ESR < 10 over full temperature range R
Symbol
Symbol
R
T
J
th j-case
, T
V
V
R
i
stg
DC Input Voltage
DC Reverse Input Voltage
Transient Input Overvoltages :
Load Dump :
5ms
R
Field Decay :
5ms
Low Energy Spike :
t
f
Reset Output Voltage
Junction and Storage Temperature Range
Thermal Resistance Junction-case
rise
r
f
r
SOURCE
Repetition Frequency = 5Hz
Fall Time Constant = 100ms
Rise Time Constant = 33ms
= 1 s, t
t
t
rise
fall
0.5
10ms, R
fall
10ms
= 500 s, R
SOURCE
SOURCE
Parameter
Parameter
10
P
(pull up resistor) and R
10
L
(load) are both equal to 1K .
Max
– 55 to 150
Value
Value
– 18
– 80
3.5
35
80
35
100
Unit
Unit
C/W
V
V
V
V
V
V
C