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CoolMOS™ CE 16W single-ended cap T8 lighting demonstration board in SOT-223 package

EVAL_16W_66V_BCK_CE

Overview

A SOT-223 packaged CoolMOS™ CE superjunction MOSFET (IPN60R3K4CE) (600V, 3.4Ω) is used as the main switch for this single-ended cap T8 LED lamp driver board with high line output and 16W/66V output converter. The converter uses ICL8201 (SOT23-6-1) to achieve average current controlled non-isolated single-stage buck topology in a cascade structure LED driver. Unique features of this reference design include single-stage design for high efficiency and power factor, single choke (no auxiliary winding) critical conduction operation, true regulated output current over a wide output voltage range, and excellent EMI performance and various protection modes for high reliability and small size that easily fits into a standard T8 LED lamp single-ended cap.

Feature description

Input voltage range and frequency: 170-277 V _AC (50Hz)
Output voltage: 55-75V
Output current: 270mA
Output power: 16W
Power factor: >0.95
THD: <20%
Efficiency: >90%

Summary of advantages

Suitable for low-cost applications
high efficiency
High power factor
Good EMI performance
Optimized packaging

target application

illumination
Switching power supply (SMPS)

Documentation

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-18 22:04:38

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