STMicroelectronics Electronic Load STEVAL STEVAL-ISA047V1

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Evaluation Board for ST1S03A

This board is based on the ST1S03A, an adjustable current-mode PWM step-down DC-DC converter with internal 1.5A power switch, packaged in a 6-lead 3x3 mm DFN. It's a complete 1.5 A switching regulator with its internal compensation eliminating additional components. The constant frequency, current mode, PWM architecture and stable operation with ceramic capacitors results in low, predictable output ripple. However, in order to maximize the power conversion efficiency under light load, the regulator reduces automatically the switching frequency when the output load becomes less than 250mA typically.

Step-down current mode PWM (1.5MHz) DC-DC converter
Input voltage range: +3 to +5.5V
1.5A output current capability
2% DC output voltage tolerance
Internal soft-start for start-up current limitation and power on delay of 50-100μs
Typical efficiency: >85%
Inhibit function
Switch VDS (max): 200mV @ ISW = 75 mA
Uses tiny capacitors and inductors

Switching Voltage Regulators, STMicroelectronics

規格
Attribute Value
Series STEVAL
Efficiency >85 %
暫時缺貨-將在補貨後發貨。
單價 個
HK$ 456.13
(不含稅)
單位
Per unit
1 +
HK$456.13