LTC1261LCMS8-4#PBF , Charge Pump Switching Regulator IC Negative Fixed -4V 1 Output 20mA 8-TSSOP, 8-MSOP (0.118", 3.00mm Width). we specialize in Linear Technology LTC1261LCMS8-4#PBF electronic components. LTC1261LCMS8-4#PBF can be shipped within 24 hours after order.