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參數(shù)資料
| 型號(hào)： | UC3877L |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Phase Shift Resonant Controller |
| 中文描述： | 相移諧振控制器 |
| 文件頁(yè)數(shù)： | 11/19頁(yè) |
| 文件大?。?/td> | 721K |
| 代理商： | UC3877L |
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UC1875/6/7/8
UC2875/6/7/8
UC3875/6/7/8
APPLICATIONS INFORMATION (cont.)
Slope/Ramp Pins
The ramp generator may be configured for the following
control methods:
Voltage Mode
Voltage Feedforward
Current Mode
Current Mode with Slope Compensation
The figure below shows a voltage-mode configuration.
With R
SLOPE
tied to a stable voltage source, the wave-
form on C
RAMP
will be a constant-slope ramp, providing
conventional voltage-mode control. If R
SLOPE
is con-
nected to the power supply input voltage, a vari-
able-slope ramp will provide voltage feedforward.
For current-mode control the ramp generator may be disabled by grounding the slope pin and using the ramp pin
as a direct current sense input to the PWM comparator.
Voltage Mode Operation
1.
achieved by placing R
SLOPE
between VIN
and SLOPE.
Simple
voltage
mode
operation
2. Voltage Feedforward achieved by plac-
ing R
SLOPE
between supply voltage and
SLOPE pin of UC1875.
RAMP
dV
dT
V
R
C
Rslope
SLOPE
RAMP
≈
UDG-95086
If you should have questions or need additional information, please contact Jody Bustamante at (903) 868-6132 or
j-busta@ti.com.
CONTACT INFORMATION
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC3877N | 制造商:Rochester Electronics LLC 功能描述:PHASE SHIFT RESONANT CONT - Bulk |
| UC3879DW | 功能描述:軟開關(guān) PWM 控制器 Phase Shift Resonant Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3879DWG4 | 功能描述:軟開關(guān) PWM 控制器 Phase Shift Resonant Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3879DWTR | 功能描述:軟開關(guān) PWM 控制器 Phase Shift Resonant Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3879DWTRG4 | 功能描述:軟開關(guān) PWM 控制器 Phase Shift Resonant Controller RoHS:否 制造商:Fairchild Semiconductor 輸出端數(shù)量: 輸出電流: 開關(guān)頻率: 工作電源電壓:30 V 電源電流: 最大工作溫度:+ 105 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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