UC2861NG4

Texas Instruments UC2861NG4

Part Number:
UC2861NG4
Manufacturer:
Texas Instruments
Ventron No:
3248624-UC2861NG4
Description:
IC REG CTRLR PWM VM 16DIP
ECAD Model:
Datasheet:
UC1861-68, 2861-68, 3861-68

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Specifications
Texas Instruments UC2861NG4 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments UC2861NG4.
  • Mounting Type
    Through Hole
  • Package / Case
    16-DIP (0.300, 7.62mm)
  • Surface Mount
    NO
  • Number of Pins
    16
  • Operating Temperature
    -25°C~85°C TA
  • Packaging
    Tube
  • Pbfree Code
    yes
  • Part Status
    Obsolete
  • Moisture Sensitivity Level (MSL)
    1 (Unlimited)
  • Number of Terminations
    16
  • ECCN Code
    EAR99
  • Subcategory
    Switching Regulator or Controllers
  • Technology
    BIPOLAR
  • Terminal Position
    DUAL
  • Peak Reflow Temperature (Cel)
    NOT SPECIFIED
  • Number of Functions
    1
  • Frequency
    450kHz
  • Reflow Temperature-Max (s)
    NOT SPECIFIED
  • Base Part Number
    UC2861
  • Pin Count
    16
  • Number of Outputs
    2
  • Qualification Status
    Not Qualified
  • Output Voltage
    1.7V
  • Input Voltage-Nom
    12V
  • Analog IC - Other Type
    SWITCHING CONTROLLER
  • Output Current
    200mA
  • Voltage - Supply (Vcc/Vdd)
    10.5V~22V
  • Control Features
    Soft Start
  • Input Voltage (Min)
    11.5V
  • Topology
    Full-Bridge, Half-Bridge, Push-Pull
  • Control Mode
    VOLTAGE-MODE
  • Frequency - Switching
    10kHz~1MHz
  • Control Technique
    RESONANT CONTROL
  • Rise Time
    25ns
  • Fall Time (Typ)
    25 ns
  • Internal Switch(s)
    Yes
  • Max Duty Cycle
    50 %
  • Duty Cycle
    100 %
  • Output Isolation
    Non-Isolated
  • Voltage - Start Up
    16.5V
  • Height Seated (Max)
    5.08mm
  • Length
    19.305mm
  • RoHS Status
    ROHS3 Compliant
Description
UC2861NG4 Overview
The part status of the product is now considered obsolete, meaning it is no longer in production or actively being marketed. However, this does not affect its quality or functionality. The Moisture Sensitivity Level (MSL) for this product is 1, indicating that it has an unlimited shelf life and can be stored for an indefinite amount of time without any concerns about moisture damage. This product has 16 terminations, allowing for multiple connections and versatility in its use. It falls under the EAR99 ECCN code, meaning it does not require a license for export. With 1 function and 2 outputs, this product can efficiently perform its designated task. Its control mode is VOLTAGE-MODE and utilizes RESONANT CONTROL technique, providing stable and precise control. The rise time and fall time of this product are both 25ns, ensuring quick and efficient operation.

UC2861NG4 Features
Packaged with 16-DIP (0.300, 7.62mm)
Switching Frequency at 10kHz~1MHz
With 16 pins
Output Current at 200mA

UC2861NG4 Applications
There are a lot of Texas Instruments UC2861NG4 AC DC Converters applications.

Standby and Auxiliary Power Supplies Set Top Boxes (STB)
Home appliances
Consumer electronics
Battery chargers for cellular phones
Power Adaptors
Open Frame Switching Power Supply
Switching AC-DC Charger
AC?DC USB chargers for Cell Phones
Chargers for cell/cordless phones
Adapters
UC2861NG4 More Descriptions
SWITCHING CONTROLLER Non-Isolated RESONANT CONTROL ROHS3Compliant Converter Offline 25ns -25C~85C TA 200mA 10kHz~1MHz
Pulse Width Modulation (PWM) Controller IC; Frequency:450kHz; Power Dissipation, Pd:1W; No. of Pins:16; Operating Temperature Range:-40°C to 85°C; Control Mode:Voltage; Leaded Process Compatible:Yes; Number of PWM Outputs:2 ;RoHS Compliant: Yes
The UC1861-1868 family of ICs is optimized for the control of Zero Current Switched and Zero Voltage Switched quasi-resonant converters. Differences between members of this device family result from the various combinations of UVLO thresholds and output options. Additionally, the one-shot pulse steering logic is configured to program either on-time for ZCS systems (UC1865-1868), or off-time for ZVS applications (UC1861-1864). The primary control blocks implemented include an error amplifier to compensate the overall system loop and to drive a voltage controlled oscillator (VCO), featuring programmable minimum and maximum frequencies. Triggered by the VCO, the one-shot generates pulses of a programmed maximum width, which can be modulated by the Zero Detection comparator. This circuit facilitates "true" zero current or voltage switching over various line, load, and temperature changes, and is also able to accommodate the resonant components' initial tolerances. Under-Voltage Lockout is incorporated to facilitate safe starts upon power-up. The supply current during the under-voltage lockout period is typically less than 150A, and the outputs are actively forced to the low state. UVLO thresholds for the UC1861/62/65/66 are 16.5V (ON) and 10.5V (OFF), whereas the UC1863/64/67/68 thresholds are 8V (ON) and 7V (OFF). After VCC exceeds the UVLO threshold, a 5V generator is enabled which provides bias for the internal circuits and up to 10mA for external usage. A Fault comparator serves to detect fault conditions and set a latch while forcing the output drivers low. The Soft-Ref pin serves three functions: providing soft start, restart delay, and the internal system reference. Each device features dual 1 Amp peak totem pole output drivers for direct interface to power MOSFETS. The outputs are programmed to alternate in the UC1861/63/65/67 devices. The UC1862/64/66/68 outputs operate in unison alllowing a 2 Amp peak current.
Certification
  • ISO 9001
  • ISO 13485
  • ISO 45001
  • ASA
  • ESD
  • DUNS
  • SMTA
  • ROHS

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