L4973D3 STMICROELECTRONICS [STMicroelectronics], L4973D3 Datasheet - Page 6
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L4973D3
Manufacturer Part Number
L4973D3
Description
3.5A STEP DOWN SWITCHING REGULATOR
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.L4973D3.pdf
(16 pages)
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L4973V3.3 - L4973V5.1 - L4973D3.3 - L4973D5.1
Typical Performance (Using Evaluation Board) fsw = 100kHz
Figure 1a: Evaluation Board (Components Side)
Figure 1b: Evaluation Board (Solder Side)
6/16
Output Voltage
3.3V
5.1V
12V
Output
Ripple
20mV
20mV
30mV
Efficiency
81.5 (%)
86.7 (%)
93.5 (%)
I
o
3mV (V
= 3.5A V
Line Regulator
CC
3mV
3mV
CC
=15 to 50V)
= 8 to 50V
V
CC
Load Regulator
=35V I
6mV
6mV
4mV
O
= 1 to 3.5A