参数	值
产品	开关稳压器
型号编码	IR3891M
说明	开关稳压器   PQFN5X631L
品牌	Infineon(英飞凌)
起订量	4000
最小包	4000
现货	8288 [库存更新时间：2026-01-08]
封装/外壳	PQFN5X631L
Moisture Level	2
Technology	Voltage Mode
Family	Gen 2
Qualification	Industrial
Budgetary Price €€/1k	1.89
Features	SYNC + feed-forward + interleaved operation
Switching Frequency min max	300.0kHz 1500.0kHz
Features (Programmable OCP)	x
Input Voltage min max	1.0V 21.0V
Iout	4.0A
Output Voltage min max	0.5V 18.06V
Switching Frequency max	1500.0kHz
Input Voltage max	21.0V
Design Tool	Yes