UC3844
STMicroelectronics
(UC3842 - UC3845) CURRENTMODE PWM CONTROLLER
®
UC2842/3/4/5 UC3842/3/4/5
CURRENT MODE PWM CONTROLLER
. . . . . . . . . . .
OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS LOW START-UP CURRENT (< 1 mA) AUTOMATIC FEED FORWARD COMPENSATION PULSE-BY-PULSE CURRENT LIMITING ENHANCED LOA
UC3844
Fairchild Semiconductor
(UC3842 - UC3845) SMPS Controller
www.fairchildsemi.com
UC3842/UC3843/UC3844/UC3845
SMPS Controller
Features
• • • • Low Start up Current Maximum Duty Clamp UVLO With Hysteresis Operating Frequency up to 500KHz
Description
The UC3842/UC3843/UC3844/UC3845 are fixe
UC3844
ON Semiconductor
(UC3844 / UC3845) High Performance Current Mode ControllersUC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers
The UC3844, UC3845 series are high performance fixed frequency current mode controllers. They are specifically designed for Off−Line and DC−to−DC converter applications offering the
UC3844
Unisonic Technologies
(UC3844 / UC3845) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERSUNISONIC TECHNOLOGIES CO., LTD
UC3844/45
LINEAR INTEGRATED CIRCUIT
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
DESCRIPTION
The UTC UC3844/3845 are high performance fixed frequency current mode controllers that specifically designed for Off-Line and DC
UC3844
SYC
SMPS ControllerUC3842/UC3843/UC3844/UC3845
SMPS Controller
Features
• • • • Low Start up Current Maximum Duty Clamp UVLO With Hysteresis Operating Frequency up to 500KHz
Description
The UC3842/UC3843/UC3844/UC3845 are fixed frequencycurrent-mode PWM controller. They
UC3844A
ST Microelectronics
(UC3842A - UC3845A) HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERUC284XA UC384XA
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
NOT FOR NEW DESIGN
1 FEATURES
Figure 1. Package
■ TRIMMED OSCILLATOR DISCHARGE
CURRENT
■ CURRENT MODE OPERATION TO 500kHz
AUTOMATIC FEED FORWARD COMPENSATION
DIP-8
SO-8
■ LATCHING PW
UC3844A
Microsemi Corporation
(UC384xA) CURRENT MODE PWM CONTROLLERLIN D O C #: 1840
UC184xA/284xA/384xA
CURRENT MODE PWM CONTROLLER
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DESCRIPTION The UC184xA family of control ICs provides all the necessary features to i