Datasheet > R1170D311B-T2

R1170D311B-T2

更新时间： 2024-11-06 22:50:35

品牌	Logo	应用领域
理光 - RICOH		稳压器
页数	文件大小	规格书
16页	262K
描述
800mA LDO REGULATOR

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R1170D311B-T2 数据手册

2001.Jul.21

800mA LDO REGULATOR

R1170X series

■ OUTLINE

The R1170 Series are positive voltage regulator ICs by CMOS process. The R1170 Series have features of

high ripple rejection, low dropout voltage, high output voltage accuracy, low consumption current. Each of these ICs

consists of a voltage reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at

short mode, a chip enable circuit, and thermal-shunt circuit. Output Voltage of R1170 is fixed in the IC.

Low consumption current by the merit of CMOS process and built-in transistors with low ON-resistance make

low dropout voltage and chip enable function prolong the battery life. These regulators are remarkable improvement

on the current regulators in terms of ripple rejection, input transient response, and load transient response.

Maximum Output Current is large for its compact size.

Thus, the R1170 Series are suitable for various power sources for portable appliances.

Since the packages for these ICs are the SOT-89-5 package or HSON6, high density mounting of the ICs on

boards is possible.

■ FEATURES

■Ultra-Low Supply Current^{• • • • • • • •}TYP. 80µA

■Low Standby Current ^{• • • • • • • • • • •}TYP. 0.1µA

■Output Current ^{• • • • • • • • • • • • • • •}MIN. 800mA(VIN=VOUT+1.0V)

■Output Voltage ^{• • • • • • • • • • • •}Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V

■High Output Voltage Accuracy^{• • • •}±2.0%

■Low Dropout Voltage^{• • • • • • • • • • • •}TYP. 0.12V(VOUT=3.0V, IOUT=300mA)

■Line Regulation^{• • • • • • • • • • • •}TYP. 0.05%/V

■Small Package ^{• • • • • • • • • • • • • • • •}SOT-89-5, HSON6

■Built-in Current Limit Circuit

■Built-in Thermal Shunt Circuit

■Low Temperature-drift Coefficient of Output Voltage ^{• • • • • • • • •}TYP.±100ppm/°C

■ APPLICATIONS

■Local Power source for Notebook PC.

■Local Power source for portable appliances, cameras, and videos.

■Local Power source for equipment of battery-use.

■Local Power source for home appliances.

Rev. 1.10

- 1 -

12 3 4 5 6 7...16

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与R1170D311B-T2相关器件

型号	品牌	获取价格	描述	数据表
R1170D311B-TR	RICOH	获取价格	Fixed Positive LDO Regulator, 3.1V, 0.18V Dropout, CMOS, HSON-6
R1170D311B-TR-FA	RICOH	获取价格	Fixed Positive LDO Regulator, 3.1V, 0.18V Dropout, CMOS, HSON-6
R1170D311B-TR-FE	RICOH	获取价格	Fixed Positive LDO Regulator, 3.1V, CMOS, PDSO6, HALOGEN FREE, HSON-6
R1170D31A-T1	RICOH	获取价格	Fixed Positive LDO Regulator, 3.1V, 0.18V Dropout, CMOS, PDSO6, HSON-6
R1170D31B-TR-F	RICOH	获取价格	Regulator
R1170D321A-T1	RICOH	获取价格	800mA LDO REGULATOR
R1170D321A-T2	RICOH	获取价格	800mA LDO REGULATOR
R1170D321A-TR-F	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.18V Dropout, CMOS, HSON-6
R1170D321A-TR-FA	RICOH	获取价格	Fixed Positive LDO Regulator, 3.2V, 0.18V Dropout, CMOS, HSON-6
R1170D321B-T1	RICOH	获取价格	800mA LDO REGULATOR

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