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參數(shù)資料
| 型號(hào)： | 5962-8951105V2A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, 400 kHz SWITCHING FREQ-MAX, CQCC20 |
| 封裝： | CERAMIC, LCC-20 |
| 文件頁(yè)數(shù)： | 11/13頁(yè) |
| 文件大小： | 528K |
| 代理商： | 5962-8951105V2A |
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Oscillator Schematic
www.ti.com............................................................................................................................................................................................... SLUS874 – JANUARY 2009
PRINCIPLES OF OPERATION AND TYPICAL CHARACTERISTICS (continued)
Since both the compensation and soft-start terminals (Pins 9 and 8) have current source pullups, either can
readily accept a pulldown signal, which only has to sink a maximum of 100
A to turn off the outputs. This is
subject to the added requirement of discharging whatever external capacitance may be attached to these pins.
An alternate approach is the use of the shutdown circuitry of Pin 10, which has been improved to enhance the
available shutdown options. Activating this circuit by applying a positive signal on Pin 10 performs two functions:
the PWM latch is immediately set providing the fastest turn-off signal to the external soft-start capacitor. If the
shutdown command is short, the PWM signal is terminated without significant discharge of the soft-start
capacitor, thus, allowing, for example, a convenient implementation of pulse-by-pulse current limiting. Holding
Pin 10 high for a longer duration, however, ultimately discharges this external capacitor, recycling slow turn-on
upon release.
Copyright 2009, Texas Instruments Incorporated
7
Product Folder Link(s): UC1525B-SP
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 5962-8951105VEA | 功能描述:電壓模式 PWM 控制器 Regulating PWM RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| 5962-8951106V2A | 功能描述:電壓模式 PWM 控制器 Regulating Pulse Width Modulators RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| 5962-8951301RA | 制造商:Integrated Device Technology Inc 功能描述: |
| 59628951301SA | 制造商:IDT 功能描述:54FCT574EB |
| 5962-89513022A | 制造商:QP Semiconductor 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 3-ST 1-Element 20-Pin LLCC |
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