UC3842AD8 Part Information

Details for UC3842AD8 by Unitrode

Electronic & Electrical Components > Semiconductors - ICs > Power Management

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Part Specifications

Input Voltage 15V
Output Voltage 5V
Output Current 200mA
Supply Voltage Min 12V
Supply Voltage Max 25V
Controller IC Case Style SOIC
No. of Pins 8Pins
Frequency 500kHz
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL -
SVHC No SVHC (15-Jan-2018)
Base Number 3842
Controller Type PWM
IC Generic Number 3842
IC Temperature Range Commercial
Input Current 11mA
Logic Function Number 3842
Operating Temperature Range 0°C to +70°C
Output Current Max 1A
Output Energy per Cycle 5µJ
Output Type Totem Pole
Power Dissipation Pd 1W
Power Supply IC Type PWM controller
Supply Voltage Range 12V to 25V
Termination Type Surface Mount Device

Details for UC3842AD8 by Texas Instruments

Electronic & Electrical Components > Semiconductors - ICs > Power Management

Part Description

The UCx84xA family of control ICs is a pin-for-pin compatible improved version of the UCx84x family. Providing the necessary features to control currentmode or switched-mode power supplies, this family of devices has many improved features: startup current is less than 0.5 mA, oscillator discharge is trimmed to 8.3 mA, and during UVLO, the output stage can sink at least 10 mA at less than 1.2 V for VCC over 5 V.

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Part Features

  • Automatic Feedforward Compensation
  • Double Pulse Suppression
  • Enhanced Load Response Characteristics
  • High-Current Totem Pole Output
  • Internally-Trimmed Bandgap Reference
  • Low Start-Up Current (< 0.5 mA)
  • Optimized for Off-Line and DC-DC Converters
  • Pulse-by-Pulse Current Limiting
  • Trimmed Oscillator Discharge Current
  • Undervoltage Lockout With Hysteresis
  • Up to 500-kHz Operation

Part Specifications

Input Voltage 25V
Output Voltage 13.5V
Output Current 1A
Supply Voltage Min 10V
Supply Voltage Max 30V
Controller IC Case Style SOIC
No. of Pins 8Pins
Frequency 500kHz
Operating Temperature Min 0°C
Operating Temperature Max 70°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 1 - Unlimited
SVHC No SVHC (27-Jun-2018)
RoHS Compliant

Alternative Part Descriptions

  • Current Mode PWM Cntrlr 1A 8-Pin SOIC | RS Components
  • PWM CONTROLLER, 500KHZ, 10V-30V, SOIC-8; Input Voltage:25V; Output Voltage:13.5V; Output Current:1A; Supply Voltage Min:10V; Supply Voltage Max:30V; Controller IC Case Style:SOIC; No. of Pins:8Pins; Frequency:500kHz; Operating RoHS Compliant: Yes | Newark Electronics
  • PMIC; PWM controller; 1A; 47÷500kHz; Channels: 1; SO8; Uoper: 10÷30V | Transfer Multisort Elektronik
  • 30-V, 1A, 500KHz current mode PWM controller with 16V/10V UVLO 100% duty cycle, 0°C to 70°C | Texas Instruments

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