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参数资料
| 型号： | MC34704BEPR2 |
| 厂商： | Freescale Semiconductor |
| 文件页数： | 53/54页 |
| 文件大小： | 0K |
| 描述： | IC PWR MNGMT DC-DC MULT 56-QFN |
| 特色产品： | MC34704 Multi-channel Power Management IC (PMIC) |
| 标准包装： | 1 |
| 应用： | 处理器 |
| 电流 - 电源： | 86mA |
| 电源电压： | 2.7 V ~ 5.5 V |
| 工作温度： | -20°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-VFQFN 裸露焊盘 |
| 供应商设备封装： | 56-QFN-EP（7x7） |
| 包装： | 标准包装 |
| 产品目录页面： | 809 (CN2011-ZH PDF) |
| 其它名称： | MC34704BEPR2DKR |
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REVISION HISTORY
REVISION HISTORY
REVISION
2.0
DATE
4/2008
DESCRIPTION OF CHANGES
? Initial Release
3.0
6/2008
?
?
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?
4.0
6/2009
? Updated category from Advance Information to Technical Data.
5.0
1/2010
?
?
?
?
?
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?
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?
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?
?
Added Max I 2 C Speed as 400kHz to dynamic electrical characteristics table
Added Device Physical address to dynamic electrical characteristics table.
Added register Definition summary table
Changed REG7 name definition on Functional Description table to "Inverter boost"
Added efficiency Plots
Clarified GrpC and E Shutdown Sequence
Clarified REG8 Voltage/Current Regulation Mode on feature list.
Clarified Pulse Skipping operation.
Added minimum Fine Scaling value at 40%
Corrected Register Vs Bit notation on I 2 C user interface section.
Added I 2 C reading and writing Bit stream sequence example.
Added ACCURATE Bit definition
Revised Pin Definitions Table for Pins 3, 11, 35, 40, 46 and 53
Removed Li-ion battery references throughout document.
Added Feedback Reference Voltage and Feedback Reference Voltage on Current Regulation
Mode to Table 4.
6.0
9/2011
?
?
?
?
?
?
Revised Note 2 on page 7.
Changed F 22 to F Z2 and F 2P to F P2 on page 42.
Revised step 1 under “Compensating for Buck operation" section on page 40.
Updated the formula for C1 on page 42.
Revised step 1 under “Compensating for boost operation" section on page 43.
Revised step 1 under “Regulator 3 (Synchronous Buck - internally compensated)" section on page
44.
? Revised I OB definition under “Regulator 8 (Synchronous Boost - internally compensated -Voltage
or current feedback)" section on page 45.
? Revised P-MOSFET description under “Regulator 7 (Inverter controller - external compensation
needed)" section on page 46.
7.0
12/2011
? Changed RST Leakage Current from 1 mA to 1 μ A in the Static Electrical Characteristics table
34704
Analog Integrated Circuit Device Data
Freescale Semiconductor
53
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