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參數(shù)資料
| 型號： | LM3370SDX-3013 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| 中文描述： | 1.4 A DUAL SWITCHING CONTROLLER, 2400 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 4 X 5 MM, 0.8 MM HEIGHT, LLP-16 |
| 文件頁數(shù)： | 17/26頁 |
| 文件大小： | 5302K |
| 代理商： | LM3370SDX-3013 |
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TRANSFERRING DATA
Every byte put on the SDA line must be eight bits long, with
the most significant bit (MSB) being transferred first. The
number of bytes that can be transmitted per transfer is unre-
stricted. Each byte of data has to be followed by an acknowl-
edge bit. The acknowledge related clock pulse is generated
by the master. The transmitter releases the SDA line (HIGH)
during the acknowledge clock pulse. The receiver must pull
down the SDA line during the 9th clock pulse, signifying an
acknowledge. A receiver which has been addressed must
generate an acknowledge after each byte has been received.
After the START condition, I
2
C master sends a chip address.
This address is seven bits long followed by an eighth bit which
is a data direction bit (R/W). For the eighth bit, a “0” indicates
a WRITE and a “1” indicates a READ. The second byte se-
lects the register to which the data will be written. The third
byte contains data to write to the selected register.
I
2
C Compatible Write Cycle
20167309
W = write (SDA = “0”)
r = read (SDA = “1”)
ack = acknowledge (SDA pulled down by either master or slave)
rs = repeated startxx=36h
However, if a READ function is to be accomplished, a WRITE function must precede the READ function, as shown in the read
cycle waveform.
I
2
C Compatible Read Cycle
20167310
17
www.national.com
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| LM3370SDX-3021 | Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370SDX-3416 | Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370SDX-3621 | Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370SDX-3806 | Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370SDX-4221 | Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM3370SDX-3013/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM3370SDX-3021 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370SDX-3021/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| LM3370SDX-3416 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370SDX-3416/NOPB | 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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