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参数资料
| 型号： | RE5RL46AC-RF-FC |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 4.6 V FIXED POSITIVE LDO REGULATOR, 0.038 V DROPOUT, PBCY3 |
| 封装： | TO-92, 3 PIN |
| 文件页数： | 8/23页 |
| 文件大小： | 591K |
| 代理商： | RE5RL46AC-RF-FC |
16
Rx5RL
TYPICAL APPLICATION
In Rx5RL Series, a constant voltage can be obtained
without using Capacitors C1 and C2. However, when the
wire connected to Vin is long, use Capacitor C1. Output
noise can be reduced by using Capacitor C2.
Insert Capacitors C1 and C2 with the capacitance of
0.1F to 2.0F between Input/Output Pins and GND Pin
with minimum wiring.
As shown in the circuit diagram, a dual power sup-
ply circuit can be constructed by using two Rx5RL
Series.
This circuit diagram shows a dual power supply
circuit with an output of 3V and an output of 5V.
When the minimum output current of IC2 is larger
than ISS of IC1, Resistor R is unnecessary. Diode D is
a protection diode for the case where VOUT2 becomes
larger than VOUT1.
VOLTAGE BOOST CIRCUIT
DUAL POWER SUPPLY CIRCUIT
C2
C1
VIN
GND
Rx5RL
SERIES
VOUT
VIN
+
C2
C1
VIN
GND
Rx5RL
SERIES
VOUT
VIN
R1
R2
ISS
+
C1
C2
VIN
GND
Rx5RL20A
Rx5RL30A
VOUT
VOUT1
5V
VOUT2
3V
VIN
C3
GND
VOUT
VIN
R
ISS
IC1
IC2
D
+
The output voltage can be obtained by the follow-
ing formula :
VOUT=Vreg (1+R2/R1) + ISS R 2
Since the quiescent current of Rx5RE Series is so
small that the resistances of R1 and R2 can be set as
large as several hundreds k
and therefore the sup-
ply current of “Voltage Boost Circuit” itself can be
reduced.
Furthermore, since Rx5RL Series are operated by
a constant voltage, the supply current of “Voltage
Boost Circuit” is not substantially affected by the
input voltage.
*1) Vreg : Set Output Voltage of Rx5RL Series.
*1
APPLICATION CIRCUITS
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PDF描述 |
|---|---|
| RE5RL46AA-RR-FC | 4.6 V FIXED POSITIVE LDO REGULATOR, 0.038 V DROPOUT, PBCY3 |
| RN5RZ38BC-TR-FB | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| RN5RZ38BC-TL-FB | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| RN5RZ38AC-TR-FB | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
| RN5RZ38AC-TL-FB | 3.8 V FIXED POSITIVE LDO REGULATOR, 0.3 V DROPOUT, PDSO5 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RE5RL46AC-RR | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:VOLTAGE REGULATOR |
| RE5RL46AC-T1 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:VOLTAGE REGULATOR |
| RE5RL46AC-T2 | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:VOLTAGE REGULATOR |
| RE5RL46AC-TL | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:VOLTAGE REGULATOR |
| RE5RL46AC-TR | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:VOLTAGE REGULATOR |
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