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Product Detailed Parameters
- Description：IC OFFLINE SWITCH 8DIP
- Series：-
- Mfr：Diodes Incorporated
- Package：Tube
- Output Isolation：Non-Isolated
- Internal Switch(s)：No
- Voltage - Breakdown：-
- Topology：-
- Voltage - Start Up：8.4 V
- Voltage - Supply (Vcc/Vdd)：7.6V
- Duty Cycle：48%
- Frequency - Switching：52kHz
- Fault Protection：Current Limiting, Over Load, Over Temperature
- Control Features：Frequency Control
- Operating Temperature：-40°C ~ 85°C (TA)
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-PDIP
- Mounting Type：Through Hole
- Grade：-
- Qualification：-
- Power (Watts)：1 W
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Overview
The AP3845CP-G1 is a current mode PWM controller manufactured by Diodes Incorporated. It functions as an offline switch for AC-DC conversion applications. The device operates at a switching frequency of 52kHz and utilizes an 8-PDIP package with through-hole mounting. It features internal protection mechanisms including current limiting, overload protection, and overtemperature shutdown. The component supports a supply voltage range up to 10V and has a startup voltage of 16V.
Feature Summary
- Implements current mode pulse width modulation control strategy
- Integrates comprehensive fault protection including current limiting and thermal shutdown
- Designed for standalone offline AC-DC converter topologies
Applications
- Offline AC-DC power supplies
- General purpose DC power adapters
- Consumer electronics power circuits
Procurement Notes
Verify the specific suffix against official Diodes Incorporated documentation to confirm exact pinout and electrical characteristics. Confirm RoHS compliance status via the latest datasheet revision. Check for end-of-life notices or alternative part recommendations from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component for designs requiring a simple, cost-effective offline switching solution. Ensure the application topology matches the current mode control architecture. Verify that the 52kHz switching frequency aligns with electromagnetic interference requirements and transformer design constraints for the target power level.
Part Context
This part belongs to the AP3845 family of switching controllers within the Diodes Incorporated portfolio. It is categorized under PMIC and offline converters. The device serves as a fundamental building block for isolated power supplies, offering a balance of performance and simplicity for standard industrial and consumer applications.
Replacement Considerations
Consult official Diodes Incorporated substitution guides for verified alternatives. Cross-reference pinouts and electrical parameters carefully when considering generic replacements.
