L4947PD STMicroelectronics, L4947PD Datasheet - Page 2

• Manufacturer Part Number: L4947PD
• Description: IC REG LDO W/RESET 20 PSOIC
• Manufacturer: STMicroelectronics

Specifications of L4947PD

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: 6 ~ 26 V
• Voltage - Dropout (typical): 0.4V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: PowerSO-20 Exposed Bottom Pad
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Limit (min): -
• Other names: 497-1405-5

L4947PD
ABSOLUTE MAXIMUM RATINGS
Note: The circuit is ESD protected according to MIL-STD-883C.
PIN CONNECTION (Top view)
THERMAL DATA
TEST CIRCUIT
2/6
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
IN
t
t
rise
fall
0.5
10ms, R
fall
C d
10ms
C i
= 500 s, R
(*) Min 20 F, ESR <10 over full temperature range
SOURCE
100nF
100nF
R
P
(pull up resistor) and R
SOURCE
DELAY CAP.
Parameter
Parameter
10
17
2
+V
GND
GND
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
L4947PD
OUT
10
1
2
3
4
5
6
7
8
9
10
D94AT107A
1-20
L
19
20
19
18
17
16
15
14
13
12
11
3
(load) are both equal to 1k .
GND
RESET
N.C.
+V
N.C.
N.C.
N.C.
N.C.
N.C.
GND
IN
Max
R
P
OUTPUT
RESET
D94AT108
47 F(*)
– 55 to 150
C o
OUT
Value
Value
– 18
– 80
35
80
35
100
3
Unit
Unit
C/W
V
V
V
V
V
V
C