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參數(shù)資料
| 型號： | RP500N332A-TR-F |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.9 A SWITCHING REGULATOR, 1440 kHz SWITCHING FREQ-MAX, PDSO6 |
| 封裝： | LEAD FREE, SOT-23, 6 PIN |
| 文件頁數(shù)： | 6/24頁 |
| 文件大小： | 664K |
| 代理商： | RP500N332A-TR-F |
RP500x
14
(2) Under Voltage Lockout (UVLO) Circuit
The step-down DC/DC converter stops switching if input voltage (VIN) becomes less than the set output
voltage (Set VOUT), the output voltage (VOUT) gradually drops according to the input voltage (VIN). If the input
voltage drops more and becomes less than UVLO detect voltage (VUVLO1), the under voltage lockout circuit
(UVLO) operates, the IC internal reference voltage (VREF) stops and the output voltage drops according to
the load.
To restart the normal operation, the input voltage (VIN) must be more than the UVLO release voltage
(VUVLO2).
The timing chart below describes the operation with varying the input voltage (VIN).
VUVLO2
VUVLO1
Set VOUT
Output Voltage
Input Voltage
IC Internal Voltage
Reference
Lx Voltage
Soft-start Time
Depending on Power supply,
Load Current, External Components
(VOUT)
(VIN)
(VREF)
(VLX)
Actually, the waveform of VOUT at UVLO working and releasing varies depending on the initial voltage of
COUT and load current situation.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RP500X | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:The RP500X Series are CMOS-based step-down DC/DC Converters with synchronous rectifier. |
| RP50-2405S | 制造商:RECOM 制造商全稱:Recom International Power 功能描述:50 Watt Single Output |
| RP50-2405SN | 制造商:RECOM 制造商全稱:Recom International Power 功能描述:50 Watt Single Output |
| RP50-2405SP | 制造商:RECOM 制造商全稱:Recom International Power 功能描述:50 Watt Single Output |
| RP50-241.8S | 制造商:RECOM 制造商全稱:Recom International Power 功能描述:50 Watt Single Output |
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