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參數(shù)資料
| 型號(hào)： | R1250V401A-E2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Negative Output Charge Pump Regulator(100mA) |
| 中文描述： | SWITCHED CAPACITOR REGULATOR, 322 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | TSSOP-8 |
| 文件頁(yè)數(shù)： | 14/14頁(yè) |
| 文件大?。?/td> | 159K |
| 代理商： | R1250V401A-E2 |
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R1250V××1A
13
4)
Power Consumption
Power Consumption at large load current of this IC can be calculated as follows:
Wchip [mW]
(V
IN
[V]-| Set Output Voltage |)
×
(I
OUT
[mA])
TECHNICAL NOTES
To use this IC, the following things should be considered.
1)
Short Protection function for each pin is not included in this IC.
2)
Use capacitors with low equivalent series resistor (ESR) for C
IN
, C
P
, C
OUT
pins. Capacitors with large ESR make
this IC’s performance worse.
3)
Make wiring of GND, V
IN
, C
P+
, C
P-
secure enough and decrease impedance. High impedance could be a cause of
unstable operation of this IC.
4)
When this IC is used with large load current, consider its radiation of heat.
5)
Basically, Vref pin can be used for soldering to the mount pad of PCB. Do not make it wiring.
6)
Load type is electronic or setting between V
IN
and V
OUT
, in cases of OFF-state of this IC and start-up state of this
IC, make sure not to raise V
OUT
level on positive voltage side. If the voltage level is beyond +0.3V which is desig-
nated as the absolute maximum rating, this IC could be broken.
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參數(shù)描述 |
|---|---|
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