SP435W

SP435W Dual OP AMP with Voltage Regulator DESCRIPTION The SP435W is a monolithic IC specifically designed to control the output current and voltage levels of switch mode battery chargers and power supplies. The device contains two operational amplifiers and a precision shunt regulator. Op Amp 1 is designed for voltage control, whose non-inverting input internally connects to the output of the shunt regulator. Op Amp 2 is for current control with both inputs uncommitted. The IC offers the power converter designer a control solution that features increased precision with a corresponding reduction in system complexity and cost. APPLICATIONS Battery Power Equipment Linear Regulators Switch Power Supply Cellular Phone Digital Cameras Computer Disk Drivers Instrumentation FEATURES Input offset voltage: 0.5mV Supply current: 250 uA per Op Amp at 5.0V supply voltage Unity gain bandwidth: 1MHz Output voltage swing: 0 to (VCC- 1.5) V Power supply range: 3 to 18V Fixed output voltage reference: 2.5V Voltage tolerance: 1% Sink current capability from 0.2 to 80mA  PIN CONFIGURATION ( SOP-8 ) PART MARKING 2012/01/05 V.1 Page 1 SP435W Dual OP AMP with Voltage Regulator TYPICAL APPLCATION CIRCUIT PIN DESCRIPTION Pin 1 2 3 4 5 6 7 8 Symbol Output 1 Input 1Input 1+ VKA GND Input 2+ Input 2Output 2 Vcc OP Amp Output 1 OP Amp Input 1 Voltage Power Switching Output Ground OP Amp Input 2 Voltage OP Amp Input 2 Voltage OP Amp Output 2 Power Supply Voltage Description ORDERING INFORMATION...