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

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
Minimum Operating Temperature -40 °C
Maximum Switching Frequency 300 kHz
Width 7.6mm
Efficiency 85%
Dimensions 13 x 7.6 x 2.35mm
Height 2.35mm
80 In stock for delivery within 3 working days
Price Each (In a Tube of 40)
SGD 5.46
(exc. GST)
SGD 5.84
(inc. GST)
units
Per unit
Per Tube*
40 +
SGD5.46
SGD218.40
*price indicative
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