參數(shù)資料
型號(hào)： L6599AN
廠商： STMICROELECTRONICS
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, DIP16
封裝： ROHS COMPLIANT, DIP-16
文件頁(yè)數(shù)： 32/36頁(yè)
文件大?。?/td> 1595K
代理商： L6599AN
L6599A
Pin connection
Doc ID 15308 Rev 5
5/36
3
Pin connection
Figure 2.
Pin connection (top view)
Table 2.
Pin description
Pin N#
Type
Function
1Css
Soft-start. This pin connects an external capacitor to GND and a resistor to
RFmin (pin 4) that set both the maximum oscillator frequency and the time
constant for the frequency shift that occurs as the chip starts up
(soft-start). An internal switch discharges this capacitor every time the chip
turns off (Vcc < UVLO, LINE < 1.24 V or > 6 V, DIS > 1.85 V, ISEN > 1.5 V,
DELAY > 2 V) to make sure it will be soft-started next, and when the
voltage on the current sense pin (ISEN) exceeds 0.8 V, as long as it stays
above 0.75 V.
2DELAY
Delayed shutdown upon overcurrent. A capacitor and a resistor are
connected from this pin to GND to set the maximum duration of an
overcurrent condition before the IC stops switching and the delay after
which the IC restarts switching. Every time the voltage on the ISEN pin
exceeds 0.8 V the capacitor is charged by an internal 150 A current
generator and is slowly discharged by the external resistor. If the voltage
on the pin reaches 2 V, the soft start capacitor is completely discharged so
that the switching frequency is pushed to its maximum value and the
150 A is kept always on. As the voltage on the pin exceeds 3.5 V the IC
stops switching and the internal generator is turned off, so that the voltage
on the pin will decay because of the external resistor. The IC will be soft-
restarted as the voltage drops below 0.3 V. In this way, under short circuit
conditions, the converter will work intermittently with very low input
average power.
3CF
Timing capacitor. A capacitor connected from this pin to GND is charged
and discharged by internal current generators programmed by the external
network connected to pin 4 (RFmin) and determines the switching
frequency of the converter.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
L6599ATD 功能描述:電壓模式 PWM 控制器 Sgl Output 13.3 V 200 KHz SOIC-16 Nrw 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
L6599ATDTR 功能描述:開(kāi)關(guān)變換器、穩(wěn)壓器與控制器 IMPROVED High-Volt RESONANT CONTROLLER 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(kāi)關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6599ATN 制造商:STMicroelectronics 功能描述:
L6599D 功能描述:軟開(kāi)關(guān) PWM 控制器 Hi Vltg resonant Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
L6599DTR 功能描述:軟開(kāi)關(guān) PWM 控制器 Hi Vltg resonant Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
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