STMicroelectronics, L4977A Step-Down Switching Regulator 7A Adjustable, 5.1 → 40 V 15-Pin, MULTIWATT V

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 7A
Maximum Output Voltage 40 V
Regulator Function Buck Controller
Minimum Output Voltage 5.1 V
Minimum Input Voltage 15 V
Maximum Input Voltage 50 V
Output Type Adjustable
Mounting Type Through Hole
Number of Outputs 1
Pin Count 15
Package Type MULTIWATT V
Switching Regulator Yes
Line Regulation 30 mV
Load Regulation 40 mV
Height 10.7mm
Efficiency 87%
Dimensions 19.6 x 5 x 10.7mm
Maximum Switching Frequency 500 kHz
Maximum Operating Temperature +150 °C
Length 19.6mm
Width 5mm
Minimum Operating Temperature -40 °C
17 In stock for delivery within 3 working days
Price Each
SGD 20.03
(exc. GST)
SGD 21.43
(inc. GST)
units
Per unit
1 - 9
SGD20.03
10 - 49
SGD18.90
50 - 149
SGD18.36
150 - 499
SGD16.83
500 +
SGD15.52
Packaging Options:
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