KA3843集成電路(IC)的ACDC轉(zhuǎn)換器離線開關(guān)規(guī)格書PDF中文資料
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KA3843規(guī)格書詳情
DESCRIPTION
KA3842/43/44/45 are fixed frequency current mode PWM
controller. They are specially designed for OFF?Line and DC to DC converter applications
with a minimal external components. Internally implemented circuits include a trimmed
oscillator for precise duty cycle control, a temperature compensated reference, high gain
error amplifier, current sensing comparator, and a high current totempole output ideally
suited for driving a power MOSFET. Protection circuitry includes built undervoltage lockout
and current limiting.
The UC3842A(AM) and UC3844A(AM) have UVLO thresholds of 16 V (on) and 10 V (off).
The corresponding thresholds for the UC3843A(AM)/45A(AM) are 8.4V (on) and 7.6V
(off). The UC3842A(AM) and UC3843A(AM) can operate within 100% duty cycle. The
UC3844A(AM) and UC3845A(AM) can operate within 50% duty cycle.
The UC384XA(AM) has Start-Up Current 0.17mA (typ).
FEATURES
? Low Start-Up and Operating Current
? High Current Totem Pole Output
? Undervoltage Lockout With Hysteresis
? Operating Frequency Up To 300KHz (384XA)
500KHz (384XAM
產(chǎn)品屬性
- 產(chǎn)品編號(hào):
KA3843B
- 制造商:
onsemi
- 類別:
集成電路(IC) > AC DC 轉(zhuǎn)換器,離線開關(guān)
- 包裝:
散裝
- 內(nèi)部開關(guān):
無
- 電壓 - 供電 (Vcc/Vdd):
12V ~ 25V
- 占空比:
97%
- 頻率 - 開關(guān):
最高 500kHz
- 控制特性:
頻率控制
- 工作溫度:
0°C ~ 70°C(TA)
- 封裝/外殼:
8-DIP(0.300",7.62mm)
- 供應(yīng)商器件封裝:
8-DIP
- 安裝類型:
通孔
- 描述:
IC OFFLINE SWITCH 8DIP
供應(yīng)商 | 型號(hào) | 品牌 | 批號(hào) | 封裝 | 庫存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
KA |
23+ |
NA/ |
3650 |
優(yōu)勢(shì)代理渠道,原裝正品,可全系列訂貨開增值稅票 |
詢價(jià) | ||
KA |
2016+ |
SOP8 |
3650 |
只做原裝,假一罰十,公司可開17%增值稅發(fā)票! |
詢價(jià) | ||
FSC |
2020+ |
DIP8 |
80000 |
只做自己庫存,全新原裝進(jìn)口正品假一賠百,可開13%增 |
詢價(jià) | ||
KA |
24+ |
DIP8 |
20000 |
全新原廠原裝,進(jìn)口正品現(xiàn)貨,正規(guī)渠道可含稅??! |
詢價(jià) | ||
FSC |
10+ |
DIP8 |
304 |
一級(jí)代理,專注軍工、汽車、醫(yī)療、工業(yè)、新能源、電力 |
詢價(jià) | ||
FSC/ON |
23+ |
原包裝原封 □□ |
5750 |
原裝進(jìn)口特價(jià)供應(yīng) QQ 1304306553 更多詳細(xì)咨詢 庫存 |
詢價(jià) | ||
原廠 |
專業(yè)光耦 |
DIP8 |
65800 |
光耦原裝優(yōu)勢(shì)主營型號(hào)-可開原型號(hào)增稅票 |
詢價(jià) | ||
Gcore(揚(yáng)州國芯) |
23+ |
DIP8 |
6000 |
誠信服務(wù),絕對(duì)原裝原盤 |
詢價(jià) | ||
FAIRCHILD/仙童 |
22+ |
DIP8 |
3000 |
進(jìn)口原裝 假一罰十 現(xiàn)貨 |
詢價(jià) | ||
ESTEK |
23+ |
NA |
39960 |
只做進(jìn)口原裝,終端工廠免費(fèi)送樣 |
詢價(jià) |