Part Number
|
UC1843A |
Manufacturer
|
Unitrode |
Description
|
Current Mode PWM Controller |
Published
|
Oct 16, 2019 |
Detailed Description
|
Current Mode PWM Controller
application INFO available
UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A
FEATURES • ...
|
Datasheet
|
UC1843A
|
Overview
Current Mode PWM Controller
application INFO available
UC1842A/3A/4A/5A UC2842A/3A/4A/5A UC3842A/3A/4A/5A
FEATURES • Optimized for Off-line and DC to DC
Converters
• Low Start Up Current (0.
5mA)
• Trimmed Oscillator Discharge Current
• Automatic Feed Forward Compensation
• Pulse-by-Pulse Current Limiting
• Enhanced Load Response Characteristics
DESCRIPTION The UC1842A/3A/4A/5A family of control ICs is a pin for pin compatible improved version of the UC3842/3/4/5 family.
Providing the necessary features to control current mode switched mode power supplies, this family has the following improved features.
Start up current is guaranteed to be less than 0.
5mA.
Oscillator discharge is trimme...
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