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有这样的ic没?

Other Parts Discussed in Thread: TL072, LM22670, LMZ14202, LMZ34002, TPS65130, LM2576

我有个设计,用到不少运放(tl072),为保持高动态范围,电路要求用双电源。输入电压为DC48/DC24,输出为+-12电源,电流分别为+12v,2A;-12,1A。

其实目的是单电源来转正负电源,希望用ic来做,但电路中不需要变压器,电感只能用331那样的功率电感。

ti有这样的ic没,在官网上看到电荷泵可以,但电流太小啊,最大60ma。