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参数资料
| 型号： | LM3370TLX-2613/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.4 A DUAL SWITCHING CONTROLLER, 2400 kHz SWITCHING FREQ-MAX, PBGA20 |
| 封装： | 3 X 2 MM, 0.60 MM HEIGHT, 0.50 MM PITCH, , MO-211DG, MICRO, SMD-20 |
| 文件页数： | 8/26页 |
| 文件大小： | 5436K |
| 代理商： | LM3370TLX-2613/NOPB |
I2C-Compatible Interface Electrical Specifications
Unless otherwise noted, V
BATT = 2.7V to 5.5V. Typical values and limits appearing in normal type apply for TJ = 25°C. Limits
appearing in boldface type apply over the entire junction temperature range for operation, 30°C to +125°C. (Note 2, Note 8, Note
Symbol
Parameter
Conditions
Min
Typ
Max
Units
F
CLK
Clock Frequency
400
kHz
t
BF
Bus-Free Time between Start and Stop
1.3
S
t
HOLD
Hold Time Repeated Start Condition
0.6
S
t
CLKLP
CLK Low Period
1.3
S
t
CLKHP
CLK High Period
0.6
S
t
SU
Set Up Time Repeated Start Condition
0.6
S
t
DATAHLD
Data Hold Time
200
nS
t
CLKSU
Data Set Up Time
200
nS
T
SU
Set Up Time for Start Condition
0.6
S
T
TRANS
Maximum Pulse Width of Spikes that Must be
Suppressed by the Input Filter of Both DATA & CLK
signals.
50
nS
VDD_I2C
I2C Logic High Level
1
V
IN
V
I2C-Compatible Interface
In I2C-compatible mode, the SCL pin is used for the I2C clock
and the SDA pin is used for the I2C data. Both these signals
need a pull-up resistor according to I2C specification. The
values of the pull-up resistor are determined by the capaci-
tance of the bus (typ.
1.8k). Signal timing specifications are
according to the I2C bus specification. Maximum frequency is
400 kHz.
I2C-COMPATIBLE DATA VALIDITY
The data on SDA line must be stable during the HIGH period
of the clock signal (SCL). In other words, state of the data line
can only be changed when CLK is LOW.
20167306
I2C-COMPATIBLE START AND STOP CONDITIONS
START and STOP bits classify the beginning and the end of
the I2C session. START condition is defined as SDA signal
transitioning from HIGH to LOW while SCL line is HIGH.
STOP condition is defined as the SDA transitioning from LOW
to HIGH while SCL is HIGH. The I2C master always generates
START and STOP bits. The I2C bus is considered to be busy
after START condition and free after STOP condition. During
data transmission, I2C master can generate repeated START
conditions. First START and repeated START conditions are
equivalent, function-wise.
20167307
www.national.com
16
LM3370
相关PDF资料 |
PDF描述 |
|---|---|
| LM3370TL-2613/NOPB | 1.4 A DUAL SWITCHING CONTROLLER, 2400 kHz SWITCHING FREQ-MAX, PBGA20 |
| LM3420A12.6MDA | 1-CHANNEL POWER SUPPLY SUPPORT CKT, UUC |
| LM3420A-8.2MWA | 1-CHANNEL POWER SUPPLY SUPPORT CKT, UUC |
| LM3420A-4.2MWA | 1-CHANNEL POWER SUPPLY SUPPORT CKT, UUC |
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相关代理商/技术参数 |
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| LM3370TLX-3006 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370TLX-3006/NOPB | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| LM3370TLX-3008 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
| LM3370TLX-3008/NOPB | 功能描述:DC/DC 开关控制器 RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| LM3370TLX-3022 | 制造商:NSC 制造商全称:National Semiconductor 功能描述:Dual Synchronous Step-Down DC-DC Converter with Dynamic Voltage Scaling Function |
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