參數(shù)資料
型號(hào)： PC33702DWB
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 6 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO32
封裝： PLASTIC, SOIC-32
文件頁(yè)數(shù)： 14/24頁(yè)
文件大小： 841K
代理商： PC33702DWB
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
33702
21
Communication Stop
Only the master can terminate the data transfer by issuing a
STOP condition. The slave waits for this condition to resume its
initial state waiting for the next START condition (see
Data Transfer Example
The master device controlling the I2C bus will always start
addressing a 33702 slave IC in writing mode (R/W = 0) in order
to be able to write a Command Byte just after the address
acknowledge. I2C bus protocol defines this circumstance as a
master-transmitter and slave-receiver configuration.
Eventually this Command Byte can again define a Write
operation (e.g., Voltage Margining, see Figure 19), and the
master will keep the data transfer direction.
Figure 19 illustrates a communication beginning with the
slave address, the first command for voltage margining, and a
third byte containing the address field 001 and the value field
00101 corresponding with the LDO fifth setting (LDO output
voltage = +5% above its nominal value). If a simultaneous
setting for switcher is needed, a fourth byte should be included
before the STOP condition (P); for instance, 001 10010 to set
switcher in its second setting (switcher output voltage = +2%
above its nominal value).
Figure 19. Complete Data Transfer Example
START
Slave Address
Write
First Command for Voltage Margining
Address Field Value Field = LDO
5th Setting
STOP
P
Ack
A6
A4
A0
00
1
0
0Ack
00
Ack
00
1 00
10
1
S
A5
A3 A2 A1
0
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
PC33702DWBR2 6 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO32
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PC33702DWB/R2 制造商:MOTOROLA 制造商全稱(chēng):Motorola, Inc 功能描述:3.0 A Switch-Mode Power Supply with Linear Regulator
PC33710EW 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Dual Output DC-DC & Linear Regulator IC
PC33710EWR2 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Dual Output DC-DC & Linear Regulator IC
PC33730EK 制造商:Freescale Semiconductor 功能描述:SWITCHING P/S OF POWER P - Bulk
PC33813AE 制造商:Freescale Semiconductor 功能描述:PC33813AE - Bulk
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