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R1224N332M中文資料理光數(shù)據(jù)手冊(cè)PDF規(guī)格書(shū)

R1224N332M
廠商型號(hào)

R1224N332M

參數(shù)屬性

R1224N332M 封裝/外殼為SC-74A,SOT-753;包裝為卷帶(TR);類別為集成電路(IC) > PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器;產(chǎn)品描述:18.5V INPUT PWM/VFM STEP-DOWN DC

功能描述

PWM/VFM step-down DC/DC Converter

文件大小

1.49466 Mbytes

頁(yè)面數(shù)量

42 頁(yè)

生產(chǎn)廠商 RICOH electronics devices division
企業(yè)簡(jiǎn)稱

Ricoh理光

中文名稱

理光集團(tuán)官網(wǎng)

原廠標(biāo)識(shí)
數(shù)據(jù)手冊(cè)

下載地址一下載地址二到原廠下載

更新時(shí)間

2024-11-15 23:00:00

R1224N332M規(guī)格書(shū)詳情

OUTLINE

The R1224N Series are CMOS-based PWM step-down DC/DC Converter controllers with low supply current. Each of these ICs consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a phase compensation circuit, a soft-start circuit, a protection circuit, a PWM/VFM alternative circuit, a chip enable circuit, resistors for output voltage detect, and input voltage detect circuit. A low ripple, high efficiency step-down DC/DC converter can be easily composed of this IC with only several external components, or a power-transistor, an inductor, a diode and capacitors. Output Voltage is fixed or can be adjusted with external resistors (Adjustable types are without PWM/VFM alternative circuit).

FEATURES

? Supply Current .............................................Typ. 20μA (R1224Nxx2E/F/M/L, R1224N102M)

Typ. 30μA (R1224Nxx2G, R1224N102G)

Typ. 40μA (R1224Nxx2H, R1224N102H)

? Standby Current ...........................................Typ. 0μA

? Input Voltage Range ....................................2.3V~18.5V

? Output Voltage Range..................................1.2V to 6.0V (R1224Nxx2x)

1.0V to VIN (R1224N102x)

? Output Voltage Accuracy............................±2.0

? Oscillator Frequency...................................Typ. 180kHz (R1224Nxx2M, R1224N102M)

Typ. 300kHz (R1224Nxx2E/G, R1224N102G)

Typ. 500kHz (R1224Nxx2F/H, R1224N102H)

? Efficiency.........................................................................Typ. 90

? Low Temperature-Drift Coefficient of Output Voltage......Typ. ±100ppm/°C

? Package .......................................................................... SOT-23-5

? Built-in Soft-start Function............................................... Typ. 10ms

? Built-in Current Limit Circuit

APPLICATIONS

? Power source for hand-held communication equipment, cameras, video instruments such as VCRs, camcorders.

? Power source for battery-powered equipment.

? Power source for household electrical appliances.

產(chǎn)品屬性

  • 產(chǎn)品編號(hào):

    R1224N332M-TR-FE

  • 制造商:

    Nisshinbo Micro Devices Inc.

  • 類別:

    集成電路(IC) > PMIC - 穩(wěn)壓器 - DC DC 開(kāi)關(guān)式控制器

  • 包裝:

    卷帶(TR)

  • 輸出類型:

    晶體管驅(qū)動(dòng)器

  • 功能:

    降壓

  • 輸出配置:

  • 拓?fù)洌?/span>

    降壓

  • 輸出階段:

    1

  • 電壓 - 供電 (Vcc/Vdd):

    2.3V ~ 18.5V

  • 頻率 - 開(kāi)關(guān):

    180kHz

  • 占空比(最大):

    100%

  • 同步整流器:

    無(wú)

  • 時(shí)鐘同步:

    無(wú)

  • 控制特性:

    使能

  • 工作溫度:

    -40°C ~ 85°C

  • 安裝類型:

    表面貼裝型

  • 封裝/外殼:

    SC-74A,SOT-753

  • 供應(yīng)商器件封裝:

    SOT-23-5

  • 描述:

    18.5V INPUT PWM/VFM STEP-DOWN DC

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