UC3844B
American First Semiconductor
1.23MB
Controllers. UC3842B/3B/4B/5B,UC2842B/3B Package outline The UC3842B/3B/4B/5B, series are high performance fixed frequency current mode controll
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UC3844 - Current-Mode PWM Controllers
(Texas Instruments)
UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845
SLUS223H – APRIL 1997 – REVISED OCTOBER 2024
UCx84x Curr.
UC3844 - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
(UTC)
UNISONIC TECHNOLOGIES CO., LTD
UC3844/45
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
LINEAR INTEGRATED CIRCUIT
DESCRIPTION
The UTC UC3844/3845 .
UC3844 - High Performance Current-Mode Controller
(ON Semiconductor)
UC3844, UC3845, UC2844, UC2845 High Performance Current Mode Controllers
The UC3844, UC3845 series are high performance fixed frequency current mode c.
UC3844 - CURRENTMODE PWM CONTROLLER
(STMicroelectronics)
..
®
UC2842/3/4/5 UC3842/3/4/5
CURRENT MODE PWM CONTROLLER
. . . . . . . . . . .
OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS L.
UC3844 - SMPS Controller
(Fairchild Semiconductor)
..
.fairchildsemi.
UC3842/UC3843/UC3844/UC3845
SMPS Controller
Features
• • • • Low Start up Current Maximum Duty Clamp UVLO .
UC3844A - HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
(ST Microelectronics)
UC284XA UC384XA
HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER
NOT FOR NEW DESIGN
1 FEATURES
Figure 1. Package
■ TRIMMED OSCILLATOR DISCHARGE
CURR.
UC3844A - CURRENT MODE PWM CONTROLLER
(LINFINITY)
T H E I N F I N I T E P O W E R O F I N N O VAT I O N
L I N D O C #: 1840
UC184xA/284xA/384xA
CURRENT MODE PWM CONTROLLER PR O D U C T I O N D ATA S .
UC3844A - Current-Mode PWM Controllers
(Texas Instruments)
UC1842A, UC1843A, UC1844A, UC1845A UC2842A, UC2843A, UC2844A, UC2845A UC3842A, UC3843A, UC3844A, UC3845A
SLUS224G – SEPTEMBER 1994 – REVISED JULY 2022.
UC3844A - Current Mode PWM Controller
(Unitrode)
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 .
UC3844A-BW - Current Mode PWM Controller
(FCI)
UC384XA-BW Current Mode PWM Controller
(UC3842A-BW/43A-BW/44A-BW/45A-BW)
DESCRIPTION
The UC3842A-BW/43A-BW/44A-BW/45A-BW are fixed frequency current.