UC2842ADM集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開(kāi)關(guān)式控制器規(guī)格書(shū)PDF中文資料

廠商型號(hào) |
UC2842ADM |
參數(shù)屬性 | UC2842ADM 封裝/外殼為8-SOIC(0.154",3.90mm 寬);包裝為管件;類(lèi)別為集成電路(IC)的PMIC-穩(wěn)壓器-DCDC開(kāi)關(guān)式控制器;產(chǎn)品描述:IC REG CTRLR BST FLYBK ISO 8SOIC |
功能描述 | CURRENT MODE PWM CONTROLLER |
封裝外殼 | 8-SOIC(0.154",3.90mm 寬) |
文件大小 |
227.95 Kbytes |
頁(yè)面數(shù)量 |
8 頁(yè) |
生產(chǎn)廠商 | Microsemi Corporation |
企業(yè)簡(jiǎn)稱(chēng) |
Microsemi【美高森美】 |
中文名稱(chēng) | 美高森美公司官網(wǎng) |
原廠標(biāo)識(shí) | ![]() |
數(shù)據(jù)手冊(cè) | |
更新時(shí)間 | 2025-3-29 23:00:00 |
人工找貨 | UC2842ADM價(jià)格和庫(kù)存,歡迎聯(lián)系客服免費(fèi)人工找貨 |
UC2842ADM規(guī)格書(shū)詳情
DESCRIPTION
The UC184xA family of control ICs provides all the necessary features to implement off-line fixed-frequency, current-mode switching power supplies with a minimum of external components. The current mode architecture demonstrates improved load regulation, pulse-by-pulse current limiting and inherent protection of the power supply output switch. The IC includes: A bandgap reference trimmed to ±1 accuracy, an error amplifier, a current sense comparator with internal clamp to 1V, a high current totem pole output stage for fast switching of power MOSFETs, and an externally programmable oscillator to set frequency and maximum duty cycle. The undervoltage lock-out is designed to operate with 250μA typ. start-up current, allowing an efficient bootstrap supply voltage design.
KEY FEATURES
■ LOW START-UP CURRENT. (0.5mA max.)
■ TRIMMED OSCILLATOR DISCHARGE CURRENT. (See Product Highlight)
■ OPTIMIZED FOR OFF-LINE AND DC-TO-DC CONVERTERS.
■ AUTOMATIC FEED FORWARD COMPENSATION.
■ PULSE-BY-PULSE CURRENT LIMITING.
■ ENHANCED LOAD RESPONSE CHARACTERISTICS.
■ UNDER-VOLTAGE LOCKOUT WITH HYSTERESIS.
■ DOUBLE PULSE SUPPRESSION.
■ HIGH-CURRENT TOTEM POLE OUTPUT.
■ INTERNALLY TRIMMED BANDGAP REFERENCE.
■ 500KHz OPERATION.
■ LOW RO ERROR AMPLIFIER.
APPLICATIONS
■ ECONOMICAL OFF-LINE FLYBACK OR FORWARD CONVERTERS.
■ DC-DC BUCK OR BOOST CONVERTERS.
■ LOW COST DC MOTOR CONTROL.
產(chǎn)品屬性
- 產(chǎn)品編號(hào):
UC2842ADM
- 制造商:
Microchip Technology
- 類(lèi)別:
集成電路(IC) > PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器
- 包裝:
管件
- 輸出類(lèi)型:
晶體管驅(qū)動(dòng)器
- 功能:
升壓,降壓
- 輸出配置:
正,可提供隔離
- 拓?fù)洌?/span>
升壓,降壓,反激,正激
- 輸出階段:
1
- 電壓 - 供電 (Vcc/Vdd):
10V ~ 30V
- 頻率 - 開(kāi)關(guān):
最高 500kHz
- 占空比(最大):
96%
- 同步整流器:
無(wú)
- 時(shí)鐘同步:
無(wú)
- 控制特性:
頻率控制
- 工作溫度:
-40°C ~ 85°C(TA)
- 安裝類(lèi)型:
表面貼裝型
- 封裝/外殼:
8-SOIC(0.154",3.90mm 寬)
- 供應(yīng)商器件封裝:
8-SOIC
- 描述:
IC REG CTRLR BST FLYBK ISO 8SOIC
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫(kù)存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
MSD |
23+ |
NA/ |
3345 |
原裝現(xiàn)貨,當(dāng)天可交貨,原型號(hào)開(kāi)票 |
詢(xún)價(jià) | ||
Microsemi Corporation |
22+ |
8SOIC |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢(xún)價(jià) | ||
MICROSEMI/美高森美 |
25+ |
SOP-8 |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢(xún)價(jià) | ||
MICROSEMIANA |
23+ |
原廠封裝 |
13528 |
振宏微原裝正品,假一罰百 |
詢(xún)價(jià) | ||
MSC |
22+ |
SOP8 |
25502 |
鄭重承諾只做原裝進(jìn)口現(xiàn)貨 |
詢(xún)價(jià) | ||
微芯/美高森美 |
22+ |
NA |
500000 |
萬(wàn)三科技,秉承原裝,購(gòu)芯無(wú)憂(yōu) |
詢(xún)價(jià) | ||
Microchip |
22+ |
8-SOIC |
2100 |
詢(xún)價(jià) | |||
UC |
2020+ |
SOP-8 |
4500 |
百分百原裝正品 真實(shí)公司現(xiàn)貨庫(kù)存 本公司只做原裝 可 |
詢(xún)價(jià) | ||
Microsemi |
23+ |
8-SOIC |
7750 |
全新原裝優(yōu)勢(shì) |
詢(xún)價(jià) | ||
UC |
24+ |
SOP-8 |
6868 |
原裝現(xiàn)貨,可開(kāi)13%稅票 |
詢(xún)價(jià) |