STMicroelectronics, L4973D3.3 Step-Down Switching Regulator 3.5A Adjustable, 3.3 V 20-Pin, SOIC

Product overview and Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

DC-DC Switching Converters, Step-Down Regulators, STMicroelectronics

ST’s monolithic switching regulators offer high input-voltage capability, and deliver output currents up to 4A, with high switching frequency.

Switching Voltage Regulators, STMicroelectronics

Specifications
Attribute Value
Maximum Output Current 3.5A
Regulator Function Buck Controller
Minimum Input Voltage 8 V
Maximum Input Voltage 55 V
Output Type Adjustable
Mounting Type Surface Mount
Number of Outputs 1
Pin Count 20
Package Type SOIC
Switching Regulator Yes
Line Regulation 10 mV
Load Regulation 25 mV
Length 13mm
Maximum Operating Temperature +150 °C
Dimensions 13 x 7.6 x 2.35mm
Efficiency 85%
Height 2.35mm
Maximum Switching Frequency 300 kHz
Minimum Operating Temperature -40 °C
Width 7.6mm
9 In stock for delivery within 6 working days
Price (VAT excluded) Each
TWD 137.00
(exc. GST)
TWD 144.00
(inc. GST)
units
Per unit
1 - 9
TWD137.00
10 - 49
TWD123.00
50 - 99
TWD122.00
100 - 249
TWD121.00
250 +
TWD120.00
Packaging Options: