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Part Number	data sheet	General Description	Package	Grade	Input Voltage (V) min	Input Voltage (V) max	Regulated Output Voltage (V) min	Regulated Output Voltage (V) max	Output Current-Max (A) nom	Synchronous rectification	Quiescent current (mA) typ	Regulator Switching frequency typ	Inhibit Pin	Soft-start	Other Features	Oscillator Switching frequency (Hz) (Internal) min	Oscillator Switching frequency (Hz) (Internal) max	Oscillator Switching frequency (Hz) (External) min	Oscillator Switching frequency (Hz) (External) max	Junction Temperature (°C) min
L6986	下载链接	38 V 2 A synchronous step-down switching regulator with 30 uA quiescent current	HTSSOP16	Industrial	4	38	0.85	38	2	Yes	0.03	250	true	Yes	Adj. FSW; Adj. Voltage Sup.	250	2000	250	2000	-40
L7987	下载链接	61 V 3 A asynchronous step-down switching regulator with adjustable current limitation	HTSSOP16	Industrial	4.5	61	0.8	61	3	No	1	250	true	Yes	Adj. current limit	250	1500	250	1500	-40
L7987L	下载链接	61 V 2 A asynchronous step-down switching regulator with adjustable current limitation	HTSSOP16	Industrial	4.5	61	0.8	61	2	No	1	250	true	Yes	Adj. current limit	250	1500	250	1500	-40
ST1S14	下载链接	Up to 3 A step down switching regulator	PowerSO-8	Industrial	5.5	48	0.8	48	3	No	2	-	true	Yes	EN2/Pgood	-	1400	-	-	-
ST1S40	下载链接	3A DC step-down switching regulator	DFN8 4x4,PowerSO-8,SO-8	Industrial	4	18	0.8	18	3	Yes	2.5	850	true	Yes	-	-	850	-	-	-