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參數(shù)資料
| 型號： | PWM5031-S |
| 廠商： | Aeroflex Inc. |
| 英文描述： | RadHard High Speed PWM Controller |
| 中文描述： | RadHard高速PWM控制器 |
| 文件頁數(shù)： | 12/17頁 |
| 文件大小： | 620K |
| 代理商： | PWM5031-S |
12
SCD5031 Rev B
OUTPUT DRIVE
Dual push-pull outputs OutA and OutB are provided for driving off chip switches. The output stages are identical:
◆
Totem Pole configuration
◆
Break-before-make switching to prevent harmful cross-conduction spikes
◆
Separate positive and negative supply connections to decouple power stage and sensitive logic
◆
Near rail-to-rail voltage swing
◆
±1A maximum peak current capability (capacitive load)
The outputs have two modes of control depending on whether the 50% toggle option is selected. In the case where the
50% pin is logic low, the outputs are in-phase with each other and the duty cycle is free to take on any value up to 100%.
However, when the 50% pin is asserted high (logic ''1''), the outputs switch from the in-phase condition to the logical
complement (out-of-phase) of each other and the duty cycle is limited to a maximum of 50%.
AUXILIARY AMPLIFIER
The chip includes an uncommitted op-amp with independent shutdown feature for use in any user-defined application.
Some possibilities are:
◆
Signal conditioning of an isolated configuration feedback voltage
◆
Implementation of more sophisticated compensation networks for control loop optimization
The Auxiliary amplifier has a unity gain bandwidth greater than 1MHz and an open loop gain greater than 100dB. The
ENAUX pin is active high such that a logic ''1'' enables the amplifier and logic ''0'' disables it. The amplifier has near
rail-to-rail capability on both the input and output.
FIGURE 8 – Output Saturation Characteristics at +25°C
Voltage
V
1
10
.25
.20
.15
.10
0
.30
100
Current mA
.05
Sink
Source
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| PWM-60-12 | 功能描述:O/P +12V5A 制造商:mean well usa inc. 系列:PWM-60 零件狀態(tài):在售 類型:恒定電壓 拓撲:AC DC 轉(zhuǎn)換器 輸出數(shù):1 電壓 - 輸入（最小值）:90VAC 電壓 - 輸入（最大值）:305VAC 電壓 - 輸出:12V 電流 - 輸出（最大值）:5A 功率（W）:60W 電壓 - 隔離:3750V 調(diào)光:模擬，PWM 特性:OCP，OTP，OVP，SCP 等級:IP67 工作溫度:-40°C ~ 85°C 效率:86% 端子類型:導線引線 大小/尺寸:5.91" 長 x 2.09" 寬 x 1.38" 高（150.0mm x 53.0mm x 35.0mm） 安裝類型:底座安裝 認可:CB，CCC，CE，cURus，ENEC 標準包裝:1 |
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