Download FOD852 Datasheet PDF
Fairchild Semiconductor
FOD852
FOD852 is 4-Pin DIP Photodarlington Output Optocoupler manufactured by Fairchild Semiconductor.
Features - High Current Transfer Ratio: 1000% Minimum - Safety and Regulatory Approvals - UL1577, 5,000 VACRMS for 1 Minute - DIN EN/IEC60747-5-5 Applications - Power Supply Regulators - Digital Logic Inputs - Microprocessor Inputs Description The FOD852 consists of gallium arsenide infrared emitting diode driving a silicon photodarlington output (with integral base-emitter resistor) in a 4-pin dual in-line package. Functional Block Diagram ANODE 1 4 COLLECTOR CATHODE 2 3 EMITTER Figure 1. Schematic 1 Figure 2. Package Outlines ©2006 Fairchild Semiconductor Corporation FOD852 Rev. 1.5 .fairchildsemi. - 4-Pin DIP Photodarlington Output Optocoupler Safety and Insulation Ratings As per DIN EN/IEC 60747-5-5, this optocoupler is suitable for “safe electrical insulation” only within the safety limit data. pliance with the safety ratings shall be ensured by means of protective circuits. Parameter Installation Classifications per DIN VDE 0110/1.89 Table 1, For Rated Mains Voltage Climatic Classification Pollution Degree (DIN VDE 0110/1.89) parative Tracking Index < 150 VRMS < 300 VRMS Characteristics I- IV I- III 30/110/21 2 Symbol Parameter VIORM VIOTM Input-to-Output Test Voltage, Method A, VIORM x 1.6 = VPR, Type and Sample Test with tm = 10 s, Partial Discharge < 5 p C Input-to-Output Test Voltage, Method B, VIORM x 1.875 = VPR, 100% Production Test with tm = 1 s, Partial Discharge < 5 p C Maximum Working Insulation Voltage Highest Allowable Over-Voltage External Creepage External...