參數(shù)資料
型號: MR2920
廠商: Shindengen Electric Manufacturing Company, Ltd.
英文描述: Provision for Standby mode operation Partial Resonance Power Supply IC Module
中文描述: 撥備待機模式操作局部共振電源IC模塊
文件頁數(shù): 13/19頁
文件大?。?/td> 226K
代理商: MR2920
Shindengen Electric MFG.CO.,LTD
- 13 -
5.1 Design Flow Chart
5.2 Main Transformer Design Procedure
This design procedure provides an example of an electrical design procedure.
Ensure that design of insulation materials, insulation configuration, and structure are in accordance with the necessary safety
standards as determined by the relevant authorities.
5.2.1 Standard Design Conditions
Abbreviation
Unit
Reference value
Minimum input voltage
Rated output voltage
Rated output current
V
AC(min)
V
o
I
o
V
V
A
Maximum output current
Efficiency
Minimum oscillation frequency
I
o(max)
η
f
(min)
A
0.80
0.85
25k
50kHz
kHz
Duty ratio
Control coil voltage
Effective cross-sectional area of transformer core
D
V
NC
A
e
0.50
0.70
15
17V
V
mm
2
Magnetic flux density variation
Coil current density
Δ
B
α
mT
A/mm
250
320mT
4
6A/mm
2
2
Note that the above values are for reference only, and should be adjusted to suit load conditions.
5. Design Procedures
MR2900
Application Note
Refer to:
5.2 Main Transformer Design Procedure
5.3 Main Transformer Design Examples
Selection of primary circuit
components
Main transformer design
Specifications determined
Cooling design
Trial manufacture
Refer to:
5.4 Selection of Constants for Peripheral Components
Operational checks
Completion
No problems
Problems found
Reexamination
相關(guān)PDF資料
PDF描述
MR2940 Provision for Standby mode operation Partial Resonance Power Supply IC Module
MS52C181A 131,072-Word × 8-Bit STATIC RAM +1,048,576-Word × 8-Bit One Time PROM(128k字×8位靜態(tài)RAM+1M字×8位 OTPROM)
MS52C182A 65,536-Word × 16-Bit or 131,072-Word × 8-Bit STATIC RAM +524,288-Word × 16-Bit or 1,048,576-Word × 8-Bit One Time PROM(64k字×16位或128k字×8位靜態(tài)RAM+512k字×16位或1M字×8位 OTPROM)
MS81V06160 (401,408-word ⅴ 16-bit) FIFO memory
MS82V16520 262,144-Word x 32-Bit x 2-Bank Synchronous Graphics RAM
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MR2920-4109F12 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 VDS=900 Dev=IGBT RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MR2920-7109F12 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 VDS=900 Dev=IGBT RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MR2940 制造商:SHINDENGEN 制造商全稱:Shindengen Electric Mfg.Co.Ltd 功能描述:Standby Compatible Partial Resonance Power Supply IC Module with High-speed IGBT
MR2940-4109F12 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 VDS=900 Dev=IGBT RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
MR2940-7109F12 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 VDS=900 Dev=IGBT RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel