哪位高手幫我看下,我是根據(jù)網(wǎng)上找的電路來做的+-5V電源,我畫的板子在圖中,不知道為什么我做出來之后實(shí)際電壓有點(diǎn)問題,1,2引腳之間+5V電壓是對(duì)的,但是2,3引腳之間的電壓卻是-8.3V,實(shí)際應(yīng)該是-5.0V的。哪位高手幫我看看,多謝了!
2012-06-09 15:43:08
描述 The PMP10994 reference design uses Buck converter to convert 120VAC inputto a 5V/35mA DC output
2018-11-08 14:49:28
怎么將12V轉(zhuǎn)成穩(wěn)定的+5V和-5V
2016-03-19 15:14:25
嗨,各位,我有一個(gè)無線遙控器,基本上我想把無線接收器的輸出連接到我的PSOC1微控制器上的輸入來控制一些外部設(shè)備。不幸的是,無線接收器繼電器的輸出是12伏,輸入是5V,我的問題是,我可以只使用一個(gè)
2019-05-15 11:24:37
描述The PMP5709 15.0V @ 0.9A isolated flyback converter generates one output voltage from a 14-24V
2018-09-06 09:07:24
15V和18V的電源供電,要輸出轉(zhuǎn)5V的降壓電路時(shí),需要注意輸入拔插和開關(guān)時(shí)的浪涌尖峰電壓,時(shí)常我們需要加TVS管,或者電解電容等等來吸收尖峰高壓,同時(shí)我們?cè)谛酒琁C的選擇上,也需要把注意輸入電壓
2020-11-01 21:24:56
`描述及特性This 12V input boost converter provides a 24V output at 0.833A (20W). PMP7423 REVB assembly
2015-04-21 11:44:42
本帖最后由 gk320830 于 2015-3-8 23:02 編輯
單片機(jī)控制紅外發(fā)射接收電路,需要5V電源供電,我機(jī)器里有24V電源,我想簡單串接個(gè)電阻,再加個(gè)5V穩(wěn)管,這能實(shí)現(xiàn)5V供電嗎?
2012-09-03 15:53:31
想用鋰電池變壓到5V,有兩節(jié)并聯(lián)3.7V升到5V,或者兩節(jié)串聯(lián)7.4V降到5V,哪種方式效率高啊?
2020-08-05 19:44:34
voltage(...)主要特色400VDC input to -5V/50mA, 3.3V/100mA, and 16V/100mA triple-output1.2" x 2.7"
2018-09-25 09:41:44
描述This synchronous buck converter operates over a 36V - 51V input range and delivers 5V @ 10A
2018-09-14 09:02:02
描述An isolated flyback converter accepting an input voltage range of 9Vin to 60Vin and having
2018-11-22 11:48:40
9V降壓5V降壓芯片,12V降壓5V降壓芯片,9V降壓5V穩(wěn)壓芯片,12V降壓5V穩(wěn)壓芯片,9V降壓5V恒壓輸出方案,12V降壓5V輸出的恒壓降壓方案,9V降壓5V的LDO芯片,12V降壓5V
2021-11-15 07:29:28
5V-13V寬電壓輸入,希望輸出5V控繼電器用電流90ma左右,只用于控制繼電器,三極管控制繼電器,該5v用于集電極電壓。因?yàn)榘遄由掀渌K用的是4V和3.3V,繼電器又是5V的,所以想找個(gè)低成本的方案。
2020-09-18 19:28:56
描述Automotive buck for 5V @1A w/ TPS54140 and input filter to attenuate reflected ripple to source
2018-11-19 15:03:05
5V 500mA的充電器如何改5V 1A輸出 用的是13001
2012-09-07 23:33:59
and 1.8V outputs from a 5V input. Both outputs can deliver up to 1A. With ceramic output capacitors
2015-05-07 10:59:08
and 1.8V outputs from a 5V input. Both outputs can deliver up to 1A. With ceramic output capacitors
2015-05-07 11:01:22
描述This is an isolated quasi-resonant flyback converter, supplying 5 V at 300 mA and 15 V at 100 mA
2018-09-13 08:59:36
9個(gè)案例5V→3.3V
2021-03-08 07:29:53
近期做的一個(gè)電路,涉及3.3V與5V之間的電平轉(zhuǎn)換,搜到一個(gè)文檔,值得學(xué)習(xí)一下。3V與5V互聯(lián)技巧.pdf (827.08 KB )
2019-09-24 04:37:38
` 5V充8.4V的鋰電池,需要把USB口的5V輸入,升壓轉(zhuǎn)換成8.4V來給兩串電池充電。5V升壓8.4V給鋰電池充電的專門充電IC集成了5V升壓8.4V電路和充電管理電路的PL7501C如果不需要
2020-12-10 17:20:27
求一塊5V到24V穩(wěn)定到5V的穩(wěn)壓芯片
2016-04-30 09:42:46
5V轉(zhuǎn)3.3V的技巧
2020-12-23 06:04:01
請(qǐng)問有什么芯片是可以把電壓從5V轉(zhuǎn)到3.8V的急求
2019-05-27 09:10:21
`大俠們:5V轉(zhuǎn)5V,15W功率的隔離DCDC有推薦的?`
2017-07-27 22:03:00
新手,麻煩高手們幫我推薦一個(gè)5V轉(zhuǎn)5V的電壓信號(hào)隔離芯片{:16:}
2011-08-08 13:41:28
TPS51125需要單獨(dú)實(shí)現(xiàn)5v輸出,原理圖沒有5v輸出,求解??
2019-12-12 09:13:11
the HIP2100. This surface-mount DC/DC converteraccepts a 48VDC input and provides 5VDC output.
2009-05-12 11:20:59
如果用5V的基準(zhǔn)源,可以測量5v的輸入嗎?
2023-12-12 08:14:14
目前測試發(fā)現(xiàn),當(dāng)不使用內(nèi)部LDO時(shí),USB工作正常。如果要兼容5V,按照手冊(cè)需要將VIN5接5V:支持 5V 耐壓的輸入或者輸出引腳上的電壓-0.4VIN5+0.4并且將VDD33接至少3.3uf到
2022-05-24 06:18:23
充電盒充放二合一解決方案,其集成了充電,放電。支持外部MCU控制,支持EN使能,其集成了30V極限耐壓,5V空載時(shí)超低1uA的待機(jī)功耗,以及電池反接保護(hù),ETA9897采用易于焊接的ESOP8封裝
2021-06-08 18:52:06
描述This reference design generates a 3.3V/12A output from a wide 18V-60V telecom input. The UCC2897A
2018-07-23 07:18:08
描述This isolated flyback converter provides a regulated 5V @ 1A output from a low voltage input
2018-07-23 09:30:52
TC389QP的Vext如果是5V供電,那么以太網(wǎng)的RMII電平是5V么?如果是5V,那么與PHY芯片(一般VIO為3.3V或1.8V,最大電壓耐受小于VIO+0.3V)的數(shù)據(jù)連接必須要用電平轉(zhuǎn)換,是否有可行的方案?
2024-03-06 06:49:14
描述This buck converter operates over a 6V - 36V input range and delivers 5V @ 8A. The design
2018-12-24 15:47:24
深圳市展嶸電子有限公司有需要的顧客請(qǐng)聯(lián)系小梁:***(微信同號(hào))QQ:3883954716V線性充電和5V升壓變換器的超低功耗PMU產(chǎn)品特性:。Ultra low Q When standby
2019-08-21 09:14:47
了解更多TWS藍(lán)牙對(duì)耳方案可致電小向:*** QQ:2401667787微信:15177198576 16V線性充電和5V升壓變換器的超低功耗PMU產(chǎn)品特性:。Ultra low Q When
2019-04-01 22:42:45
`描述及特性This SEPIC converter provides 12W (12V at 1A) over an input voltage range of 8V to 48V. PMP8313 uses the TPS40210 current mode boost converter.`
2015-04-21 14:03:54
ad7606輸入±10v成了±5v?!?b class="flag-6" style="color: red">5v成了±2.5v。這是怎么回事?我用的并行模式,兩個(gè)輸入量程都試過了,都不對(duì)。這個(gè)有可能是芯片自身的原因嗎?
2019-02-18 13:58:37
ad7606輸入±10v成了±5v?!?b class="flag-6" style="color: red">5v成了±2.5v。
這是怎么回事?
我用的并行模式,兩個(gè)輸入量程都試過了,都不對(duì)。這個(gè)有可能是芯片自身的原因嗎?
2023-12-14 07:28:54
protel中 網(wǎng)絡(luò)標(biāo)號(hào) 5V 與電源Bar 5V 有區(qū)別么?
2012-03-20 10:23:07
in the common US power outlet, and generates 5V/12V out, 2A DC signal, outputs commonly used for USB connections.`
2015-04-20 10:21:52
描述This reference design generates a 28V/5A output from a 36V to 75V telecom input. The UCC2897A
2018-11-21 16:49:37
and can deliver up to 3A output current at 5V output with 2.5V input supply. When the output
2024-01-30 17:20:50
我在使用LTC3805-5設(shè)計(jì)flyback converter時(shí),發(fā)現(xiàn)通電后LTC3805-5的GATE引腳沒有輸出驅(qū)動(dòng)信號(hào)。VCC和RUN上有電壓,都是5V;FS引腳上沒有看到任何波形
2024-01-05 09:16:56
了解更多TWS藍(lán)牙對(duì)耳方案可致電小向:*** QQ:2401667787微信:15177198576 16V線性充電和5V升壓變換器的超低功耗PMU產(chǎn)品特性:。Ultra low Q When
2019-04-01 22:44:58
描述This design is a non-synchronous buck converter which operates at 5.0V input voltage and provides
2018-07-25 07:43:36
描述The PMP15018 reference design incorporates the TPS54541 42V 5A DC/DC converter and two TPS56C215
2018-09-20 08:44:09
描述This 50V @ 1A boost converter is designed to operate from a nominal 12V input voltage
2018-12-25 15:12:29
描述This design is a two-switch buck boost converter which generates an output voltage of 28.0V @ 2.5A from an input voltage range of 10..32V.
2018-07-24 07:07:40
applications. It takes a 7V to 36V input voltage, and generates two 5V at 3A outputs with 96% peak
2018-09-13 08:48:57
嗨,所有的,我正在設(shè)計(jì)的一個(gè)設(shè)計(jì),我計(jì)劃使用BM71Bluetooth模塊。這一個(gè)運(yùn)行在3.3V。它的配置軟件專門針對(duì)MC2200 USB到串行轉(zhuǎn)換器。有幾個(gè)演示板在那里。他們運(yùn)行在5V(直接從
2019-03-26 17:01:31
想用一個(gè)+5V單電源得到±5V,不知道怎么實(shí)現(xiàn)?求大神指教?。?!
2016-03-19 18:28:13
描述This reference design generates a 12V/10A output from a wide range 18V to 72V telecom input
2018-10-10 09:31:41
新手求解,電阻一端接12V一端接5V,為什么接5V那端量出的是5V而不受12V影響,我知道結(jié)果但不知道原理是為什么?
2022-07-20 20:48:46
原子老師:板子上的IO 可以接輸出5V 或輸入5V嗎?
2020-06-09 07:08:27
各位高手大哥,目前,我正在動(dòng)手制作在線溫度計(jì),模擬部分的運(yùn)放需要正負(fù)5V的電源,我是第一次動(dòng)手做東西,暫時(shí)不怎么想自己做電源,擔(dān)心自己做的電壓不穩(wěn)定,而我已經(jīng)有一個(gè)帶正5V、正24V的明偉的開關(guān)電源,在這種情況下,你們通常會(huì)怎么做呢,非常感謝!
2011-09-16 11:09:41
哪位高手給指點(diǎn)一下。我想用USB接口或者M(jìn)P3充電器的+5V電壓轉(zhuǎn)換為正負(fù)5V的電壓,用于信號(hào)放大的運(yùn)放使用。我采用的運(yùn)放是OPA4228、OPA2228.麻煩把電路圖貼出來一下,多謝了!不勝感激
2012-04-22 13:15:49
求推薦+5V轉(zhuǎn)-5V的芯片,要求紋波小,電流1A左右
2021-04-20 16:09:26
高速SO-8 12位ADC用于5V或3V,用于LTC1401的單5V或±5V電源,600ksps,12位ADC
2020-08-25 12:52:57
描述及特性PMP5185 is a 5V 100mA converter off a wide input range with a focus on efficiency down to 5
2015-04-20 11:24:09
描述This low-cost (0.75W) isolated flyback regulator produces a 5V output from a low 10V – 20V input
2018-11-22 14:50:28
in the common US power outlet, and generates 5V/12V out, 2A DC signal, outputs commonly used for USB connections.
2018-11-02 16:56:08
有一元器件,3根引腳,分別是+5V,-5V,GND。用普通直流源設(shè)置輸出電壓為5V,3個(gè)輸出引腳(+、-、GND),能滿足要求么?元器件±5V的供電要求,和直流源的正負(fù)極,是一樣的說法么?
2018-11-29 22:59:41
想找一塊能將5V到24V轉(zhuǎn)到5V電壓的芯片,或者模塊,封裝盡量要小,求推薦
2019-06-18 04:38:52
運(yùn)用MC34063A的Voltage-Inverting Converter期望產(chǎn)生-5V的電壓,設(shè)計(jì)的模塊正常工作時(shí)能產(chǎn)生-5V電壓,而且芯片的pin3,4腳的電壓值分別為-4.41,-5.07
2019-07-03 08:13:52
芯片需要一個(gè)-5v電壓的輸入,但電路板上只有+5和3.3v的電壓,如何設(shè)計(jì)一個(gè)-5v的電壓,大神,求解。。。。。
2018-01-15 16:02:32
1.請(qǐng)問AD8628的供電,可以采用V+接+5V,V-接-5V嗎?
紅色方框的內(nèi)容“5 V單電源操作”,意思是必須接5V單電源供電? V+接+5V,V-接-5V不可以嗎?
2. 請(qǐng)問
2023-11-14 06:15:12
最近在做一個(gè)USB的項(xiàng)目,但USB的5V到設(shè)備終端時(shí)已經(jīng)不足5V,可能為4.8V,也可能低于4.6V,但需要一個(gè)很好的±5V為AD和其它的模擬部分供電,電流約100mA,請(qǐng)問TPS65130在供電4.2~5V之間時(shí),能否輸出±5V?如果不可以,可否推薦一個(gè)能滿足上述條件的電源管理芯片?
2019-04-19 13:36:59
請(qǐng)問用lm1085芯片怎么設(shè)計(jì)輸入5v輸出也是5v的電路呢?
2023-04-12 11:32:20
描述The PMP30280 reference design generates two isolated outputs (6V @ 1.2A / 20V @ 0.15A) from an AC
2018-10-08 09:05:53
`描述及特性The PMP5298 reference design provides an isolated 5V at 250mA from a 120VAC/60Hz input
2015-04-27 10:11:10
`描述及特性The PMP5422 reference design provides an isolated 5V at 250mA from a 120VAC/60Hz input
2015-04-20 11:30:46
USB限流芯片,5V輸入,輸出5V電壓,限流值可以通過外圍電阻進(jìn)行調(diào)節(jié),PWCHIP產(chǎn)品中可在限流范圍0.4A-4.8A,并具有過壓關(guān)閉保護(hù)功能。過壓關(guān)閉保護(hù):如芯片:PW1555,USB我們一半
2020-11-10 11:45:21
運(yùn)放芯片正負(fù)5v供電,如果不用專用的轉(zhuǎn)-5v芯片怎么能產(chǎn)生-5v的電壓呢?
2017-01-11 16:17:38
with integrated MOSFET to generate a 5V/1.4A output from an univeral AC input with safety isolation rated
2018-09-04 09:02:27
compact, low-input voltage, fixed 5-V boost converter for powering a controller area network (CAN
2018-09-30 09:30:02
描述The PMP4494 is a 5V to 3.3V 1.2A DC-DC converter with a Vout hold-up circuit. The synchronous
2018-09-21 08:56:19
) flyback controller for a 5V/1A, 12V/0.9A bias supply with high line AC input (185VAC to 260VAC input
2018-09-26 08:35:49
Additional Information:
Quick View Data Sheet for the MAX668
Quick View Data Sheet for the MAX4130
Technical Support: Power
2009-05-04 10:21:491049 Additional Information:
Quick View Data Sheet for the MAX668
Quick View Data Sheet for the MAX4130
Technical Support: Power
2009-05-04 10:23:581865 In Figure 1, a standard boost converter consisting of IC1, C1, L1, D1, and C2 generates
2009-05-07 12:00:331365 LTC3118 Project - 18V, 2A Buck-Boost DC/DC Converter with Low-Loss Dual Input PowerPath (2.5-18V to 5V @ 2A)
2021-02-22 14:51:319
評(píng)論
查看更多