L4973 STMicroelectronics, L4973 Datasheet - Page 5

• Manufacturer Part Number: L4973
• Description: 3.5A STEP DOWN SWITCHING REGULATOR
• Manufacturer: STMicroelectronics

L4973
3
3.1
3.2
Electrical data
Maximum ratings
Table 2. Absolute maximum ratings
Thermal data
Table 3. Thermal data
1. Package mounted on board
DIP-18
V
V
V
I
V
V
V
V
V
9
7
2
2
V
Symbol
,V
,V
,I
-V
11
17
12
18
10
9
R
R
Symbol
3
T
8
3
8
thJP
thJA
J
P
,T
tot
STG
V
V
V
S0-20
I
10
V
V
V
V
V
V
9
2
2
,V
,V
,I
10
12
19
13
20
11
-V
3
3
8
Maximum thermal resistance junction-pin
Maximum thermal resistance junction-ambient
8
Input voltage
Output DC voltage
Output peak voltage at t = 0.1µs f = 200KHz
Maximum output current
Bootstrap voltage
Analogs input voltage (
Analogs input voltage (V
(V
(V
Inhibit
DIP 12+3+3
Power dissipation a Tpins ≤ 90°C
(T
(T
SO-20
Power dissipation a T
Junction and storage temperature
A
A
CC
CC
= 70°C no copper area)
= 70°C 4cm copper area on PCB)
= 20V)
= 20V)
Parameter
V
pins
CC
Parameter
CC
= 24V
= 90°C
= 24V)
)
DIP-18
60
12
(1)
-40 to 150
Value
-0.3
V
-0.3
5.5
0.3
1.3
- 5
14
70
12
13
58
SO-20
-1
6
5
2
4
CC
80
Electrical data
15
int. limit.
(1)
Unit
°C/W
°C/W
°C
W
W
W
W
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
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