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參數(shù)資料
| 型號(hào)： | L6732TR |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Adjustable step-down controller with synchronous rectification |
| 中文描述： | 可調(diào)式降壓同步整流控制器 |
| 文件頁(yè)數(shù)： | 15/33頁(yè) |
| 文件大?。?/td> | 735K |
| 代理商： | L6732TR |
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L6732
Device description
15/33
The L6732 can sink or source current after the soft-start phase (see
Figure 9.
). If an over
current is detected during the soft-start phase, the device provides a constant-current-
protection. In this way, in case of short soft-start time and/or small inductor value and/or high
output capacitors value and so, in case of high ripple current during the soft-start, the converter
can start in any case, limiting the current (see section 4.6 Monitoring and protections) but not
entering in HICCUP mode.
During normal operation, if any under-voltage is detected on one of the two supplies, the SS pin
is internally shorted to GND and so the SS capacitor is rapidly discharged.
Figure 8.
Start-up with pre-bias
Figure 9.
Inductor current during and after soft-start.
V
SS
I
L
V
OUT
LGate
V
OUT
I
L
V
SS
V
CC
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L6733 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Advanced modular synchronous PWM controller |
| L6733TR | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Advanced modular synchronous PWM controller |
| L6738 | 功能描述:電流型 PWM 控制器 Single-Phase SD Cont 5V to 12V bus 1.5V RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| L6738A | 功能描述:電流型 PWM 控制器 Single-phase PWM Light Load EFF RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
| L6738ATR | 功能描述:電流型 PWM 控制器 Single Phase PWM CNTRL Light-Load EFF RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14 |
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