Description

The UC3855ADW-ND is an electronic component belonging to the category of IC Chips. It is a part of the UC3842/3/4/5 family of control ICs that offers various features to realize off-line or DC to DC fixed frequency current mode control methods with minimum external component count. This model is optimized for off-line and DC to DC converters. It has low start-up current (< 1 mA), automatic feed forward compensation, pulse-by-pulse current limiting, enhanced load response characteristics, under-voltage lockout with hysteresis, double-pulse suppression, high current totem pole output, internally trimmed bandgap reference, 500 KHz operation, and low RO error amp.

Specifications and Features

• Product Category: IC Chips
• Model Number: UC3855ADW-ND
• IC Type: Current Mode PWM Controller
• Topology: Full-bridge
• Number of Outputs: 2
• Output Type: Transistor
• Voltage - Input (Min): 10.8V
• Voltage - Input (Max): 20V

Application Scenarios

The UC3855ADW-ND IC can be used in electronic devices that require off-line or DC to DC fixed frequency current mode control schemes. It has enhanced load response characteristics and is suitable for use in applications where stable power supply voltage is required.

Comparison

• Low start-up current
• Automatic feed forward compensation
• Enhanced load response characteristics
• Internally trimmed bandgap reference
• Double pulse suppression

• May not be suitable for applications that require more than 2 output types
• May not be compatible with some electronic devices due to voltage limitations