L4973 STMicroelectronics, L4973 Datasheet - Page 6

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

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