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參數(shù)資料
| 型號： | R5310L |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | Multi LDOs for Cellular-phone |
| 中文描述： | 低壓降穩(wěn)壓器多為蜂窩電話 |
| 文件頁數(shù)： | 16/34頁 |
| 文件大?。?/td> | 270K |
| 代理商： | R5310L |
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Rev.1.10
- 16 -
5.
3 LED drivers are embedded and each of them can control independently, and ON/OFF condition can be controlled via 3-wire
interface. P
OUT1
is applicable for display of receiving a call. Output is controlled with “ON” command or input signal for
TIMER pin via 3-wire interface, lighting and flashing can be set freely. P
OUT2
can be used to drive an LCD back-light, P
OUT3
is
for a back-light for keys.
LED Drivers
P
OUT2
and P
OUT3
is controlled only via 3-wire interface. The Source for P
OUT1
to
3
is Vp pin. Users can connect it to V
DD
or R
OUT6
.
Output type is CMOS, thus they can be used as general output ports.
6.
Voltage monitor is composed with connecting a Pch MOS switch to an upper part of divider resistors. It can be “ON” and
“OFF” via 3-wire interface.
When it is “ON” state, the voltage of monitor pin or B
MON1
is divided with a specific ratio and output to B
OUT1
pin.
When it is “OFF” state, B
MON1
is on high impedance condition, thus B
OUT1
is pulled down through a resistance (the value is
approximately 8k
) to GND.
Voltage Monitor
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