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參數(shù)資料
| 型號： | UC3875L |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Phase Shift Resonant Controller |
| 中文描述： | 相移諧振控制器 |
| 文件頁數(shù)： | 8/19頁 |
| 文件大小： | 721K |
| 代理商： | UC3875L |
8
UC1875/6/7/8
UC2875/6/7/8
UC3875/6/7/8
APPLICATION INFORMATION (cont.)
Synchronizing The Oscillator
The CLOCKSYNC pin of the oscillator may be used to synchronize multiple UC1875 devices simply by connecting
the CLOCKSYNC of each UC1875 to the others:
Syncing to external TTL/CMOS
All ICs will sync to chip with the fastest local oscillator.
R1 & RN
may
be needed to keep sync pulse narrow due to capacitance on line.
R1 & RN
may
SYNC
line.
Although each UC1875/6/7/8 has a local oscillator fre-
quency, the group of devices will synchronize to the
fastest oscillator driving the CLOCKSYNC pin. This ar-
rangement allows the synchronizing connection be-
tween ICs to be broken without any local loss of
functionality.
Synchronizing the device to an external clock signal
may be accomplished with a minimum of external cir-
cuitry, as shown in the previous figure.
Capacitive loading on the CLOCKSYNC pin will in-
crease the clock pulse width, and may adversely effect
system performance. Therefore, a resistor to ground
from the CLOCKSYNC pin is optional, but may be re-
quired to offset capacitive loading on this pin. These re-
sistors are shown in the oscillator schematics as R1,
RN.
ICs will sync to fastest chip or TTL clock if it is higher frequency.
R & RN
may
be needed for same reasons as above
UDG-95080
UDG-95081
1875/6/7/8s only
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相關代理商/技術參數(shù) |
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|---|---|
| UC3875N | 功能描述:軟開關 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3875NG4 | 功能描述:軟開關 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3875QP | 功能描述:軟開關 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3875QPTR | 功能描述:軟開關 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
| UC3876N | 功能描述:軟開關 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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel |
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