Data Sheet

FOD852 — 4-Pin DIP Photodarlington Output Optocoupler
©2006 Fairchild Semiconductor Corporation www.fairchildsemi.com
FOD852 Rev. 1.5
May 2017
FOD852
4-Pin DIP Photodarlington Output Optocoupler
Features
• High Current Transfer Ratio: 1000% Minimum
• Safety and Regulatory Approvals
– UL1577, 5,000 VAC
RMS
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
1ANODE
2
4
3CATHODE
COLLECTOR
EMITTER
Figure 1. Schematic
Figure 2. Package Outlines
4
1