參數(shù)資料
型號： ZXCP330
廠商： Zetex Semiconductor
元件分類： DC/DC變換器
英文描述： SWITCHED CAPACITOR DC-DC CONVERTER
中文描述： 開關(guān)電容DC - DC轉(zhuǎn)換器
文件頁數(shù)： 7/9頁
文件大?。?/td> 341K
代理商： ZXCP330
TYPICAL APPLICATIONS
Low quiescent current, regulated operation
By pulsing the enable pin (pin 3) lower quiescent
operating current can be achieved while maintaining
output voltage regulation. A pulse frequency of 100Hz
with a 2% duty cycle is a suitable to achieve a 10 A
operating current.
LED driver
Below is a typical LED driving application for a cell
phone. The ZXCP330 drives a coloured LED with a
typical forward voltage of 2.5V from a single Li-on
battery input. The LEDs can be driven in parallel to
provide backlighting for LCD displays and keypad
illumination. The LED current is regulated by R1 and is
configured for 20mA.
Low noise 3V supply
By adding the ZXCL300 3V regulator to the output of
the ZXCP330, the output voltage ripple can be
eliminated.
A typical waveform of the reduction in noise is shown
below.
Channel 1: V
OUT
ZXCP330 @20mV/DIV
Channel 2: V
OUT
ZXCL300 @20mV/DIV
V
IN
=4.4V; I
OUT
=40mA; Time base=2 s/DIV
ZXCP330
PROVISIONAL ISSUE A - DECEMBER 2001
7
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ZXCP330E6 制造商:ZETEX 制造商全稱:ZETEX 功能描述:SWITCHED CAPACITOR DC-DC CONVERTER
ZXCP330E6TA 功能描述:IC REG SWITCHED CAP DBL SOT23 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:降壓（降壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，1 V ~ 10 V 輸入電壓:3.5 V ~ 28 V PWM 型:電流模式 頻率 - 開關(guān):220kHz ~ 1MHz 電流 - 輸出:600mA 同步整流器:無 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:16-QSOP
ZXCT1008 制造商:DIODES 制造商全稱:Diodes Incorporated 功能描述:AUTOMOTIVE HIGH-SIDE CURRENT MONITOR
ZXCT1008_07 制造商:ZETEX 制造商全稱:ZETEX 功能描述:AUTOMOTIVE HIGH-SIDE CURRENT MONITOR
ZXCT1008FTA 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Automotive Tem Range RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel
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