* to control current mode switched mode power supplies, this family has the following improved features. Start up current is guaranteed to be less than 0.5 mA. Oscillator discharge is trimmed to 8.3 mA. During under voltage lockout, the output stage can sink at least 10 mA at less than 1.2 V for VCC o
UC1844A-EP Datasheet (1.11 MB)
UC1844A-EP
1.11 MB
Current-mode pwm controllers.
UC1842A-EP, UC1843A-EP, UC1844A-EP, UC1845A-EP CURRENT-MODE PWM CONTROLLER
D Controlled Baseline
* One Assembly/Test Site, One Fabrication Si.
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UC1844A-SP - current-mode PWM controller
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UC1842A-SP, UC1844A-SP
SLUS872E – JANUARY 2009 – REVISED FEBRUA.
UC1844A - Current Mode PWM Controller
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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 .
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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
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CURRENT MODE PWM CONTROLLER PR O D U C T I O N D ATA S .
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(Texas Instruments)
UC1842A, UC1843A, UC1844A, UC1845A UC2842A, UC2843A, UC2844A, UC2845A UC3842A, UC3843A, UC3844A, UC3845A
SLUS224G – SEPTEMBER 1994 – REVISED JULY 2022.
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(Texas Instruments)
UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845
SLUS223H – APRIL 1997 – REVISED OCTOBER 2024
UCx84x Curr.
UC1844J - Current-Mode PWM Controller
(Texas Instruments)
UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845
SLUS223G – APRIL 1997 – REVISED JULY 2022
UCx84x Current.
UC1844L - Current-Mode PWM Controller
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UC1842, UC2842, UC3842, UC1843, UC2843, UC3843 UC1844, UC2844, UC3844, UC1845, UC2845, UC3845
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UCx84x Current.
UC1840 - PWM CONTROLLER
(STMicroelectronics)
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