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參數(shù)資料
| 型號： | CS5124XDR8 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.5 A SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 168K |
| 代理商： | CS5124XDR8 |
CS5124
http://onsemi.com
5
PACKAGE PIN DESCRIPTION
PIN #
Pin
Description
1
VCC
VCC Power Input Pin.
2
BIAS
VCC Clamp Output Pin. This pin will control the gate of an Nchannel MOSFET that in turn regulates Vcc. This pin is
internally clamped at 15 V when the IC is in sleep mode.
3
UVLO
Sleep and under voltage lockout pin. A voltage greater than 1.8 V causes the chip to “wake up” however the GATE
remains low. A voltage greater than 2.6 V on this pin allows the output to switch.
4
SS
SoftStart Capacitor Pin. A capacitor placed between SS and GROUND is charged with 10 mA and discharged with
10 mA. The SoftStart capacitor controls both SoftStart time and hiccup mode frequency.
5
VFB
Voltage Feedback Pin. The collector of an optocoupler is typically tied to this pin. This pin is pulled up internally by a
4.3 kW resistor to 5.0 V and is clamped internally at 2.9 V (2.65 V). If VFB is pulled > 4.0 V, the oscillator is disabled
and GATE will stay high. If the VFB pin is pulled < 0.49 V, GATE will stay low.
6
ISENSE Current Sense Pin. This pin is connected to the current sense resistor on the primary side. If VFB is floating, the
GATE will go low if ISENSE = 195 mV (335 mV). If ISENSE > 275 mV (525 mV), SoftStart will be initiated.
7
GATE
Gate Drive Output Pin. Capable of driving a 3.0 nF load. GATE is nominally clamped to 13.5 V.
8
GND
Ground Pin.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CS5124XDR8G | 功能描述:電流型 PWM 控制器 Hi Performance Current Mode PWM 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(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| CS5126-KL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cirrus Logic 功能描述: |
| CS5126-KLZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cirrus Logic 功能描述: |
| CS5126-KP | 制造商:Rochester Electronics LLC 功能描述:2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, - Bulk |
| CS5126XDR8 | 功能描述:IC REG CTRLR FLYBK ISO PWM 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標準包裝:4,000 系列:- PWM 型:電壓模式 輸出數(shù):1 頻率 - 最大:1.5MHz 占空比:66.7% 電源電壓:4.75 V ~ 5.25 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 85°C 封裝/外殼:40-VFQFN 裸露焊盤 包裝:帶卷 (TR) |
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