TS103/A Dual Operational Amplifiers And Voltage Reference SOP-8 Pin assignment: 1. Output A 2. Input A (-) 3. Input A (+) / Vka 4. Gnd 8. Vcc 7. Output B 6. Input B (-) 5. Input B (+) General Description The TS103 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. Block Diagram Input Offset Voltage: 0.5mV Supply Current: 250uA per OP AMP @ 5V Unity Gain Bandwidth: 1MHz Output Voltage Swing: 0~(Vcc – 1.5) V Power Supply Voltage: 3~18V Fixed Output Voltage Reference: 2.5V±1% Sink Current Capability from 0.2~80mA Package types: SOP-8 Ordering Information Part No. TS103CS RL TS103ACS RL Absolute Maximum Rating Parameter Power Supply Voltage (VCC to GND) Op Amp 1 and 2 Input Voltage Range (Pins 2,5,6) Op Amp 2 Input Differential Voltage (Pins 5,6) Voltage Reference Cathode Current (Pin 3) Power Dissipation Storage Temperature Range ESD Protection Voltage (Machine Model) Note 1: Stresses greater than those listed under "Absolute Maximum Ratings " may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "Recommended Operating Conditions" is not implied. Exposure to "Absolute Maximum Ratings " for extended periods may affect device reliability.

TS103/A Dual Operational Amplifiers And Voltage Reference Recommended Operating Conditions Parameter Supply Voltage Ambient Temperature Electrical Characteristics (Operating Conditions: VCC = +5V, TA= 25°C unless otherwise specified) Parameters Total Supply Current, excluding Current in Voltage Reference Voltage Reference Section Reference Voltage Reference Voltage Deviation Over Full Temperature Range Minimum Cathode Current for Regulation Dynamic Impedance OP AMP 1 Section (VCC= 5V, VO= 1.4V, TA= 25°C, unless otherwise noted) TA = 25°C (TS103) Input Offset Voltage Temperature Drift Input Bias...

TS103/A Dual Operational Amplifiers And Voltage Reference Electrical Characteristics (Operating Conditions: VCC = +5V, TA= 25°C unless otherwise specified) Parameters Input Bias Current Input Voltage Range Output Voltage Swing (High) Output Voltage Swing (Low) Slew Rate OP AMP 2 Section (VCC= 5V, VO= 1.4V, TA= 25°C, unless otherwise noted) Input Offset Voltage Input Offset Voltage Temperature Drift Large Signal Voltage Gain Power Supply Rejection Ratio Output Current Gain Bandwidth Product Function Block Diagram OP AMP Function Block Diagram (Each Amplifier) 3/6

Function Block Diagram (Continue) Dual Operational Amplifiers And Voltage Reference Voltage Reference Function Block Diagram Typical Application Circuit

Dual Operational Amplifiers And Voltage Reference Marking Diagram (A=Jan, B=Feb, C=Mar, D=Apl, E=May, F=Jun, G=Jul, H=Aug, l=Sep, J=Oct, K=Nov, L=Dec)

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