参数资料
型号: R1182N171B-TR-F
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: 1.7 V FIXED POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PDSO5
封装: LEAD FREE, SOT-23, SC-74A, 5 PIN
文件页数: 21/24页
文件大小: 507K
代理商: R1182N171B-TR-F
R1182x
6
TYPICAL APPLICATIONS
C1
R1182x
Series
VDD
VOUT
CE
GND
C2
VOUT
(External components)
Output capacitor
: Ceramic type
Input capacitor
: Ceramic type
Output Capacitor: 0.1
F
Kyocera CM05B104K06AB
Murata
GRM155B31C104KA87B
1.0
F
Kyocera CM05X5R105K06AB
TDK
C1005JB0J105K
Murata
GRM155B30J105KE18B
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 0.1
F or more capacitor C2 (Ceramic type).
If a tantalum capacitor is used, and its ESR (Equivalent Series Resistance) of C2 is large, the loop
oscillation may result. Because of this, select C2 carefully considering its frequency characteristics.
Mounting on Board
Make VDD and GND lines sufficient. If their impedance is high, pick-up the noise or unstable operation may
result.
Connect the capacitor C1 with a 0.1F or more between VDD and GND as close as possible.
Set external components, especially the output capacitor C2, as close as possible to the ICs and make
wiring as short as possible. (Refer to the typical application)
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