R1170H281B-T1-F

更新时间： 2024-01-23 16:23:09

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R1170H281B-T1-F 数据手册

■ Technical Notes on External Components and Typical Application

Phase Compensation

In these ICs, phase compensation is made with Output capacitor for securing stable operation even

if the load current is varied. For this purpose, use as much as 10µF Capacitor as C^L.

If you use a tantalum type capacitor and ESR value of the capacitor is large, output might be

unstable. Evaluate your circuit with considering frequency characteristics. Further, refer to the

Typical Characteristics No.12.

Mounting on PCB

Make VDD and GND lines sufficient. If the impedance of these is high, current flows, the noise might

be picked up or be a cause of unstable operation. Further use as much as 10µF Capacitor between

VDD pin and GND pin as close as possible.

Set an Output capcitor between VOUT pin and GND pin for phase compensation as close as possible.

(Refer to the example of typical application)

Example of the typical application of R1170HxxxB

R1170Hxx1B

GND

VDD

VOUT

OUT

CI=10µF(Ceramic), CL=10µF(Ceramic)

Rev. 1.10

-7-

1...4 5 678 9 10...16

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型号	品牌	获取价格	描述	数据表
R1170H281B-T1-FB	RICOH	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.18V Dropout, CMOS, PDSO6, SOT-89, 5 PIN
R1170H281B-T1-FE	RICOH	获取价格	Fixed Positive LDO Regulator, 2.8V, CMOS, PDSO5, HALOGEN FREE, SOT-89, 5 PIN
R1170H281B-T2	RICOH	获取价格	800mA LDO REGULATOR
R1170H281B-T2-FB	RICOH	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.18V Dropout, CMOS, PDSO6, SOT-89, 5 PIN
R1170H28A-T1	RICOH	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.18V Dropout, CMOS, PDSO5, SOT-89, 5 PIN
R1170H28B-T1-F	RICOH	获取价格	Regulator
R1170H28B-T2	RICOH	获取价格	Fixed Positive LDO Regulator, 2.8V, 0.18V Dropout, CMOS, PDSO5, SOT-89, 5 PIN
R1170H291A-T1	RICOH	获取价格	800mA LDO REGULATOR
R1170H291A-T1-F	RICOH	获取价格	Fixed Positive LDO Regulator, 2.9V, 0.18V Dropout, CMOS, PDSO6, SOT-89, 5 PIN
R1170H291A-T2	RICOH	获取价格	800mA LDO REGULATOR