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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 AP3844CP-E1 is a current mode PWM controller manufactured by Diodes Incorporated. It operates at a switching frequency of 52kHz and supports a maximum duty cycle of 97%. The device requires a startup voltage of 16V and a supply voltage of 10V. It is housed in an 8-DIP package with a width of 0.300 inches (7.62mm). The component functions as an offline converter switch without an internal switch, supporting non-isolated topologies. It includes fault protection features such as current limiting, overload protection, and overtemperature protection.
Feature Summary
- Implements current mode PWM control architecture for stable regulation
- Provides comprehensive fault protection including current limiting, overload, and overtemperature safeguards
- Supports high duty cycle operation up to 97% for flexible power conversion designs
Applications
- Offline AC-DC converter circuits
- Non-isolated power supply topologies
- General purpose switching controller applications
Procurement Notes
Verify the specific suffix E1 against the manufacturer's latest documentation to confirm compliance status and assembly site details. Note that this part number has been subject to Product Change Notifications regarding manufacturing sites. Confirm availability status as the component may be discontinued or end-of-life depending on the current date relative to the manufacturer's obsolescence notices.
Selection Notes
Select this component for designs requiring a 52kHz fixed frequency current mode PWM controller in a through-hole DIP package. Ensure the application supports non-isolated topologies and can accommodate the 16V startup threshold. Verify that the thermal environment remains within the -40°C to 85°C operating range and that the 1W power handling capability meets system requirements.
Part Context
The AP3844CP-E1 belongs to the AP3842/AP3844 series of switching controllers from Diodes Incorporated. These devices are classified under PMIC - Power Management ICs. The CP-E1 suffix indicates a specific package and environmental compliance variant. This model shares functional similarities with other members of the series but differs in package type and specific electrical tolerances defined by the manufacturer.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source data. Consult the manufacturer's official replacement guide or contact Diodes Incorporated directly for qualified alternatives.
