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Nisshinbo Micro Devices Inc. R1172N331D-TR-FE product image
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Nisshinbo Micro Devices Inc. R1172N331D-TR-FERoHS

Manufacturer
Nisshinbo Micro Devices Inc.
MPN
R1172N331D-TR-FE
LCSC Part #
C6372761
Packaging
SOT-23-5
Customer #
Key Attributes
3.3V Positive Fixed SOT-23-5 Voltage Regulators - Linear, Low Drop Out (LDO) Regulators RoHS
Datasheetpdf iconNisshinbo Micro Devices Inc. R1172N331D-TR-FE
In-Stock: 133
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QtyUnit PriceTotal Amount
1+$ 0.8433$ 0.84
10+$ 0.8206$ 8.21
30+$ 0.8076$ 24.23
100+$ 0.793$ 79.30
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
ManufacturerNisshinbo Micro Devices Inc.
PackagingSOT-23-5
Output Voltage3.3V
Number of Outputs1
Operating Temperature-40℃~+85℃
Supply Current (Iq)100nA
Output ConfigurationPositive
Operating Voltage6V
Output Current1A
Output TypeFixed
FeaturesEnable control;Thermal shutdown;Output discharge;Short Circuit Protection;Over Current Protection
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The R1172x Series are CMOS-based positive voltage regulator ICs. The R1172x Series have features of super low dropout, 1A output current capability. 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 R1172x 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 of R1172 is fixed in the IC. Since the packages for these ICs are SOT-23-5, SOT-89-5, HSON-6, and HSOP-6J with high power dissipation, high density mounting of the ICs on boards is possible.

Features

AI Translation
  • Output Current ... 1A
  • Supply Current .... Typ. 60μA
  • Standby Current .. Typ. 0.1μA
  • Input Voltage Range . 1.4V to 6.0V
  • Output Voltage ..... 0.8V to 5.0V (0.1V steps)
  • Dropout Voltage . Typ. 0.32V (VOUT = 1.5V, IOUT = 1A)
  • Typ. 0.18V (VOUT = 2.8V, IOUT = 1A)
  • Ripple Rejection . Typ. 70dB (VOUT = 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. 15mV at IOUT = 300mA, Typ. 50mV at IOUT = 1A
  • Packages ... SOT-23-5, SOT-89-5, HSON-6, HSOP-6J
  • Built-in Inrush current limit circuit . Typ. 500 mA
  • Built-in Fold-Back Protection Circuit . Typ. 250mA (Current at short mode)
  • Built-in Thermal Shutdown Circuit . Thermal Shutdown Temperature ; Typ. 150°C Released Temperature ; Typ. 120°C
  • Built-in Auto Discharge Function . D Version
  • Output capacitors . CIN = COUT = Tantalum 4.7μF (ΔVOUT < 1.0V)
  • CIN = COUT = Ceramic 4.7μF (VOUT ≅ 1.0V)

Applications

AI Translation
  • Local Power source for Notebook PC.
  • Local Power source for portable communication equipments, cameras, and VCRs.
  • Local Power source for home appliances.