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參數(shù)資料
| 型號： | R1163N491E-TR-FE |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 4.9 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO5 |
| 封裝： | HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件頁數(shù)： | 29/30頁 |
| 文件大?。?/td> | 767K |
| 代理商： | R1163N491E-TR-FE |
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R1163x
8
ELECTRICAL CHARACTERISTICS by OUTPUT VOLTAGE
Topt
=25°C
Dropout Voltage (mV)
VDIF (ECO=H)
VDIF (ECO=L)
Output Voltage
VOUT (V)
Condition
Typ.
Max.
Typ.
Max.
1.5 <
= VOUT < 1.6
400
680
420
680
1.6 <
= VOUT < 1.7
380
550
390
550
1.7 <
= VOUT < 1.8
350
520
370
520
1.8 <
= VOUT < 2.0
340
490
350
490
2.0 <
= VOUT < 2.8
290
425
300
430
2.8 <
= VOUT <
= 5.0
IOUT
=150mA
250
350
250
350
TYPICAL APPLICATION
C1
R1163x
Series
VDD
VOUT
CE
GND
VOUT
ECO
C2
(External Components)
Ex.
C1: Ceramic Capacitor 1.0
μF
C2: Ceramic Capacitor 0.47
μF Murata GRM40B474K
Kyocera CM105B474K
TECHNICAL NOTES
When using these ICs, consider the following points:
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, be sure to use a 0.47
μF or more ceramic capacitor C2.
(Test these ICs with as same external components as ones to be used on the PCB.)
When a tantalum capacitor is used with this IC, if the equivalent series resistor (ESR) of the capacitor is large,
output voltage may be unstable.
PCB Layout
Make VDD and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor C1 with as much as 1.0
μF capacitor between VDD and GND pin as close as possible.
Set external components such as an output capacitor C2, as close as possible to the ICs and make wiring as
short as possible.
相關PDF資料 |
PDF描述 |
|---|---|
| R1163K451B-TR | 4.5 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO6 |
| R1163K451D-TR | 4.5 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO6 |
| R1163K451E-TR | 4.5 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO6 |
| R1163K471B-TR | 4.7 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO6 |
| R1163K471D-TR | 4.7 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO6 |
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