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Details for UC3842AN by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
IC CURRENT MODE PWM CTRL 30V DIP-8
UC3842AN image

UC3842AN by Texas Instruments

IC CURRENT MODE PWM CTRL 30V DIP-8
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 Information
UC3842AN image
RoHS Compliant
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.
Specifications
Input Voltage:
15V
Output Voltage:
5V
Output Current:
1A
Supply Voltage Min:
12V
Supply Voltage Max:
25V
Controller IC Case Style:
DIP
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:
-
SVHC:
No SVHC (27-Jun-2018)
Base Number:
3842
Controller Type:
PWM
IC Generic Number:
3842
IC Temperature Range:
Commercial
Input Current:
11mA
Logic Function Number:
3842A
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:
Through Hole
Alternate Descriptions
Current Mode PWM Controller 1A 8-Pin RS Components
Current Mode PWM Controller 1A 8-Pin PDIP Tube Avnet America
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