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E-UC2844BN Datasheet PDF - STMicroelectronics

Part Name
Description
Manufacturer
E-UC2844BN
ST-Microelectronics
STMicroelectronics ST-Microelectronics
Other PDF
  no available.
PDF
E-UC2844BN Datasheet PDF : E-UC2844BN pdf     
UC3842BD1013TR image

DESCRIPTION
The UC384xB family of control ICs provides the necessary features to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal external parts count. Internally implemented circuits include a trimmed oscillator for precise DUTY CYCLE CONTROL under voltage lockout featuring start-up current less than 0.5mA, a precision reference trimmed for accuracy at the error amp input, logic to insure latched operation, a PWM comparator which also provides current limit control, and a totem pole output stage designed to source or sink high peak current. The output stage, suitable for driving N-Channel MOSFETs, is low in the offstate.
   
■ TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL
■ OSCILLATOR FREQUENCY GUARANTEED AT 250kHz
■ CURRENT MODE OPERATION TO 500kHz
■ AUTOMATIC FEED FORWARD COMPENSATION
■ LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING
■ INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT
■ HIGH CURRENT TOTEM POLE OUTPUT
■ UNDERVOLTAGE LOCKOUT WITH HYSTERESIS
■ LOW START-UP AND OPERATING CURRENT
   

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Part Name
Description
PDF
Manufacturer
High Performance Current Mode PWM Controller
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High Performance Current Mode PWM Controller
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High Performance Current Mode PWM Switching Power Supply Controller
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High-Performance Current Mode PWM Switching Power Supply Controller
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THX201 / PWM Controller of High-performance Current Mode / DIP8 Pin
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High Performance Current Mode PWM Controller
Semtech Corporation
High Performance Current Mode PWM Controller with Complementary Output, Programmable Delay
Semtech Corporation
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
Motorola => Freescale

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