參數(shù)資料
型號: UC3844AD
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 穩(wěn)壓器
英文描述: CURRENT MODE PWM CONTROLLER
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14
封裝: ROHS COMPLIANT, PLASTIC, SOIC-14
文件頁數(shù): 7/8頁
文件大小: 463K
代理商: UC3844AD
UNITRODE CORPORATION
7 CONTINENTAL BLVD.
MERRIMACK, NH 03054
TEL. (603) 424-2410
FAX (603) 424-3460
UC1842/3/4/5
UC2842/3/4/5
UC3842/3/4/5
OFFLINE FLYBACK REGULATOR
SLOPE COMPENSATION
A fraction of the oscillator ramp can be resistively
summed with the current sense signal to provide slope
compensation for converters requiring duty cycles over
50%.
Note that capacitor, C forms a filter with R2 to suppress
the leading edge switch spikes.
Power Supply Specifications
1. Input Voltage
95VAC to 130VA
(50 Hz/60Hz)
3750V
40kHz
70%
2. Line Isolation
3. Switching Frequency
4. Efficiency @ Full Load
5. Output Voltage:
A. +5V,
±
5%; 1A to 4A load
Ripple voltage: 50mV P-P Max
B. +12V,
±
3%; 0.1A to 0.3A load
Ripple voltage: 100mV P-P Max
C. -12V ,
±
3%; 0.1A to 0.3A load
Ripple voltage: 100mV P-P Max
7
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參數(shù)描述
UC3844AD 制造商:Texas Instruments 功能描述:Pulse Width Modulation (PWM) Controller 制造商:Texas Instruments 功能描述:IC, CURRENT MODE PWM CTRL, 25V, SOIC-14
UC3844AD1 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 RO 511-UC3844BD 9/04 RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
UC3844AD8 功能描述:電流型 PWM 控制器 Current Mode RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時間: 下降時間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-14
UC3844AD8 制造商:Texas Instruments 功能描述:PWM CONTROLLER SMD 3844 SOIC8
UC3844AD8 制造商:Texas Instruments 功能描述:IC CURRENT MODE PWM CTRL 25V 8-SOIC 制造商:Texas Instruments 功能描述:IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC