Datasheet > R1173S001B

R1173S001B

更新时间： 2024-10-14 03:00:03

品牌	Logo	应用领域
理光 - RICOH		/
页数	文件大小	规格书
33页	655K
描述
Super low on resistance/Low voltage LDO

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R1173S001B 数据手册

R1173x SERIES

Super low on resistance/Low voltage LDO

NO.EA-123-070828

OUTLINE

The R1173x Series are CMOS-based positive voltage regulator ICs. The R1173x Series have features of

super low dropout, 1A output current capability, and -3mV typical load regulation at 1A. Even the output voltage

is set at 1.5V, on resistance of internal FET is typically 0.32Ω. Therefore, applications that require a large current

at small dropout are suitable for the R1173x series. Low input voltage is acceptable and low output voltage can

be set. The minimum input voltage is 1.4V, and the lowest set output voltage is 0.8V. Each of these ICs consists

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

over-current, a chip enable circuit, a thermal-shutdown circuit, and so on. A stand-by mode with ultra low

consumption current can be realized with the chip enable pin. The output voltage types of R1173 are fixed one in

the IC and adjustable one (R1173x001x).

Since the packages for these ICs are the SOT-89-5 package, HSON-6, or HSOP-6J, high density mounting of

the ICs on boards is possible.

FEATURES

• Output Current ............................................................. 1A

• Supply Current............................................................. Typ. 60µA

• Standby Current........................................................... Typ. 0.1µA

• Input Voltage Range .................................................... 1.4V to 6.0V

• Output Voltage Range (R1173xxx1) ............................ 0.8V to 5.0V (HSOP-6J: 0.8V to 3.5V)

• Output Voltage Range (R1173x001)............................ 1.0V to V^IN

• Dropout Voltage ........................................................... Typ. 0.32V (V^OUT=1.5V, IOUT=1A)

Typ. 0.18V (V^OUT=2.8V, IOUT=1A)

• Ripple Rejection........................................................... Typ. 70dB (V^OUT=2.8V)

• Output Voltage Accuracy.............................................. ±2.0%

• Temperature-drift Coefficient of Output Voltage........... Typ. ±100ppm/°C

• Line Regulation............................................................ Typ. 0.05%/V

• Load Regulation........................................................... Typ. −2mV (I^OUT=300mA)

Typ. −3mV (I^OUT=1A)

• Packages ..................................................................... SOT-89-5, HSON-6, HSOP-6J

• Low inrush current at turning-on.................................. Typ. 500mA

• Built-in Current Limit Circuit ......................................... Typ. 250mA

• Output capacitors......................................................... C^IN=Ceramic 4.7µF

C^OUT=Tantalum 4.7µF (VOUT<1.0V)

C^OUT=Ceramic 4.7µF (VOUT 1.0V)

• Built-in Thermal Shutdown Circuit

APPLICATIONS

• Local Power source for Notebook PC.

• Local Power source for portable communication equipments, cameras, and videos.

• Local Power source for home appliances.

12 3 4 5 6 7...33

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与R1173S001B相关器件

型号	品牌	获取价格	描述	数据表
R1173S001B-E2	RICOH	获取价格	Adjustable Positive LDO Regulator, 1V Min, 6V Max, 0.37V Dropout, CMOS, PDSO6, HSOP-6
R1173S001B-E2-F	RICOH	获取价格	Adjustable Positive LDO Regulator, 1V Min, 6V Max, CMOS, PDSO6, LEAD FREE, HSOP-6
R1173S001B-E2-FE	RICOH	获取价格	Adjustable Positive LDO Regulator, CMOS, PDSO6, HALOGEN FREE AND ROHS COMPLIANT, HSOPJ-6
R1173S001D	RICOH	获取价格	Super low on resistance/Low voltage LDO
R1173S001D-E2	RICOH	获取价格	Adjustable Positive LDO Regulator, 1V Min, 6V Max, 0.37V Dropout, CMOS, PDSO6, HSOP-6
R1173S001D-E2-F	RICOH	获取价格	Adjustable Positive LDO Regulator, 1V Min, 6V Max, CMOS, PDSO6, LEAD FREE, HSOP-6
R1173S081B	RICOH	获取价格	Super low on resistance/Low voltage LDO
R1173S081B-E2-FE	RICOH	获取价格	Super low on resistance/Low voltage LDO
R1173S081D	RICOH	获取价格	Super low on resistance/Low voltage LDO
R1173S081D-E2	RICOH	获取价格	Fixed Positive LDO Regulator, 0.8V, 0.57V Dropout, CMOS, PDSO6, HSOP-6

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