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R1232D151B中文資料理光數(shù)據(jù)手冊PDF規(guī)格書
廠商型號 |
R1232D151B |
參數(shù)屬性 | R1232D151B 封裝/外殼為8-SMD,扁平引線;包裝為卷帶(TR);類別為集成電路(IC) > 穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器;產(chǎn)品描述:PWM STEP-DOWN DCDC CONVERTER WIT |
功能描述 | PWM STEP-DOWN DC/DC CONVERTER WITH SYNCHRONOUS RECTIFIER |
文件大小 |
845.41 Kbytes |
頁面數(shù)量 |
24 頁 |
生產(chǎn)廠商 | RICOH electronics devices division |
企業(yè)簡稱 |
Ricoh【理光】 |
中文名稱 | 理光集團(tuán)官網(wǎng) |
原廠標(biāo)識 | |
數(shù)據(jù)手冊 | |
更新時(shí)間 | 2024-10-25 18:30:00 |
R1232D151B規(guī)格書詳情
OUTLINE
The R1232D Series are CMOS-based PWM step-down DC/DC converters with synchronous rectifier, low supply current. As an output capacitor, a 10μF or more ceramic capacitor can be used with the R1232D. Each of these ICs consists of an oscillator, a PWM control circuit, a voltage reference unit, an error amplifier, a soft-start circuit, protection circuits, a protection against miss operation under low voltage (UVLO), a chip enable circuit, a synchronous rectifier, Nch. driver transistor, and so on. A low ripple, high efficiency step-down DC/DC converter can be easily composed of this IC with only a few kinds of external components, or an inductor and capacitors. (As for R1232D001x type, divider resistors are also necessary.) In terms of the output voltage, it is fixed internally in the R1232Dxx1x types. While in the R1232D001x types, the output voltage is adjustable with external divider resistors.
FEATURES
? Two choices of Oscillator Frequency ............................1MHz, 2.25MHz
(Small inductors can be used. 4.7μH for 1MHz/2.2μH for 2.25MHz)
? Built-in Driver ON Resistance .......................................P-channel 0.2? (at VIN=5.0V)
? Built-in Soft-start Function.............................................Typ. 1.0ms (fosc=1MHz type)
? Output Voltage ..............................................................0.9V to 3.3V (xx1x Type)
0.8V to VIN (001x Type)
? High Accuracy Output Voltage ......................................±2.0
? Built-in Current Limit Circuit ..........................................Typ. 1.4A
? Package ........................................................................SON-8 (t=0.9mm)
APPLICATIONS
? Power source for portable equipment such as PDA, DSC, Notebook PC.
? Power source for HDD
產(chǎn)品屬性
- 產(chǎn)品編號:
R1232D151B-TR-FE
- 制造商:
Nisshinbo Micro Devices Inc.
- 類別:
集成電路(IC) > 穩(wěn)壓器 - DC-DC 開關(guān)穩(wěn)壓器
- 系列:
R1232D
- 包裝:
卷帶(TR)
- 功能:
降壓
- 輸出配置:
正
- 拓?fù)洌?/span>
降壓
- 輸出類型:
固定
- 輸出數(shù):
1
- 電壓 - 輸入(最小值):
2.6V
- 電壓 - 輸入(最大值):
5.5V
- 電壓 - 輸出(最小值/固定):
1.5V
- 電流 - 輸出:
1.4A
- 頻率 - 開關(guān):
2.25MHz
- 同步整流器:
是
- 工作溫度:
-40°C ~ 85°C(TA)
- 安裝類型:
表面貼裝型
- 封裝/外殼:
8-SMD,扁平引線
- 供應(yīng)商器件封裝:
8-SON(2.9x2.8)
- 描述:
PWM STEP-DOWN DCDC CONVERTER WIT
供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價(jià)格 |
---|---|---|---|---|---|---|---|
RICOH(理光) |
23+ |
SON8(2.8x2.9) |
6000 |
誠信服務(wù),絕對原裝原盤 |
詢價(jià) | ||
ROH/理光 |
23+ |
NA/ |
4987 |
原廠直銷,現(xiàn)貨供應(yīng),賬期支持! |
詢價(jià) | ||
RICOH(理光) |
23+ |
SON8(2.8x2.9) |
7350 |
現(xiàn)貨供應(yīng),當(dāng)天可交貨!免費(fèi)送樣,原廠技術(shù)支持!!! |
詢價(jià) | ||
RICOH(理光) |
1932+ |
SON-8(2.9x2.8) |
2789 |
向鴻優(yōu)勢倉庫庫存-絕對原裝正品-不做假貨! |
詢價(jià) | ||
RICOH |
22+23+ |
New |
30300 |
絕對原裝正品現(xiàn)貨,全新深圳原裝進(jìn)口現(xiàn)貨 |
詢價(jià) | ||
RICOH(理光) |
2021+ |
SON-8(2.9x2.8) |
499 |
詢價(jià) | |||
RICOH |
21+ |
25000 |
原廠原包 深圳現(xiàn)貨 主打品牌 假一賠百 可開票! |
詢價(jià) | |||
RICOH/理光 |
23+ |
SON-8 |
20000 |
原裝正品 歡迎咨詢 |
詢價(jià) | ||
RICOH(理光) |
2112+ |
SON-8(2.9x2.8) |
105000 |
3000個/圓盤一級代理專營品牌!原裝正品,優(yōu)勢現(xiàn)貨, |
詢價(jià) | ||
RICOH |
22+ |
8-SMD |
9000 |
原廠渠道,現(xiàn)貨配單 |
詢價(jià) |