UC3842AD8

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Details for Texas Instruments
UC3842AD8
Current Mode PWM Controller
Buy Directly from Texas Instruments (5716 in Stock)
$0.4800 per unit
Series Information for UC3842AD8 - Texas Instruments

Features

  • feature
    Automatic Feedforward Compensation
  • feature
    Double Pulse Suppression
  • feature
    Enhanced Load Response Characteristics
  • feature
    High-Current Totem Pole Output
  • feature
    Internally-Trimmed Bandgap Reference
  • feature
    Low Start-Up Current (< 0.5 mA)
  • feature
    Optimized for Off-Line and DC-DC Converters
  • feature
    Pulse-by-Pulse Current Limiting
  • feature
    Trimmed Oscillator Discharge Current
  • feature
    Undervoltage Lockout With Hysteresis
  • feature
    Up to 500-kHz Operation
UC3842AD8 image
RoHS Compliant

Description

PWM CONTROLLER 500KHZ 10V-30V SOIC-8

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.

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)

Alternate Descriptions

RS Components
Current Mode PWM Cntrlr 1A 8-Pin SOIC
Newark Electronics
CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC; Input Voltage:25V; Output Voltage:15V; Output Current:1A; Supply Voltage Min:12V; Supply Voltage Max:25V; Controller IC Case Style:SOIC; No. of Pins:8Pins; Frequency:450kHz; Product Range:- RoHS Compliant: Yes
Avnet America
Current Mode PWM Controller 1A 8-Pin SOIC Tube
Avnet Europe
Current Mode PWM Controller 1A 8-Pin SOIC Tube
Texas Instruments
Current Mode PWM Controller
Conrad
Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.
RS Components UK
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components DE
PWM Current Mode Controller UC3842AD8, 1-Kanal Boost, Buck, Flyback, Forward 500 kHz SOIC 8-Pin 1 A Steuerart : Strom Anstiegszeit : 50ns Tastverhältnis max. : 100% Montage-Typ : SMD Abmessungen : 4.9 x 3.91 x 1.58mm Länge : 4.9mm Betriebstemperatur max. : +70 °C, Texas Instruments
RS Components HK
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components JP
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components FR
Contrôleur PWM mode courant 1A SOIC8
RS Components CN
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components ES
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components NL
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components NO
Current Mode PWM Cntrlr 1A 8-Pin SOIC
RS Components SG
Current Mode PWM Cntrlr 1A 8-Pin SOIC