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R1155 Series
24V Input Automatic ECO Mode Shift 150mA Voltage Regulator (LDO Regulator)

Product Specifications

The R1155 Series are CMOS-based Automatic Mode shift 24V input voltage regulators featuring 150mA output. In addition to B version with the internally fixed output voltage, C version with adjustable output voltage with an external resistor is also available.

FEATURES

Input Voltage Max. 24.0 V
Operating Temperature Range -40°C to 105°C
Supply Current Typ. 7.5 µA (VIN = 6.0 V or 3.0 V)
Standby Current Typ. 0.1 µA
Output Voltage Range Fixed Output Voltage Type: 2.5 V to 12.0 V
Adjustable Output Voltage Type: 2.5 V, 2.5 V to 23.0 V using external resistor
Output Current Min. 150 mA (VIN = 6.0 V or 3.0 V)
Output Voltage Accuracy ±2.0%
Packages SOT-23-5, SOT-89-5
Fold-back Protection Circuit Typ. 30 mA
Thermal Shutdown Circuit Stops at 145°C
Protection Function Reverse Current Protection Circuit
Ceramic Capacitor Capable COUT = 4.7 µF or more

APPLICATION INFORMATION

Externally Adjustable of Output Voltage Type

TYPICAL CHARACTERISTICS

R1155x050B Dropout Voltage vs. Output Current

CIN=0.1µF, COUT=4.7µF

PIN DESCRIPTION

SOT-23-52.9 mm × 2.8 mm

SOT-23-5

1 VOUT
2 GND
3 VDD
4 TP* or VFB
5 CE

*) The TP pin must be connected to the GND level.

SOT-89-54.5 mm × 4.35 mm

SOT-89-5

1 VOUT
2 GND
3 CE
4 TP* or VFB
5 VDD

*) The TP pin must be connected to the GND level.


R1155 Series for Consumer

APPLICATIONS

  • Power source for home appliances (refrigerators, rice cookers, electric water warmers, etc.)
  • Power source for in-car audio systems, in-car navigation systems, ETC systems, and reset circuits
  • Power source for laptop personal computers, digital TVs, cordless phones, and private LAN systems for home, and reset circuits
  • Power source for copiers, printers, facsimiles, scanners, and reset circuits

Operating Temperature Range : -40°C to 105°C


SELECTION GUIDE

The output voltage, the output voltage type, and the package type for the ICs are user-selectable options.

Product Name   Package Quantity per Reel
R1155Nxxx#-TR-FE Consumter SOT-23-5 3,000
R1155Hxxx#-T1-FE
Consumter SOT-89-5 1,000
  • xxx … Designation of the output voltage (VSET)
    For Fixed Output Voltage Type: 2.5 V (025) to 12 V (120) in 0.1 V steps
    For Adjustable Output Voltage Type: 2.5 V (001) only
  • # … Designation of the output voltage type
    B: Fixed Output Voltage Type
    C: Adjustable Output Voltage Type

DOCUMENT/CONTACT

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Technical Support

Package *1 Marking Reliability *2
SOT-23-5 R1155N R1155N (-FE)
SOT-89-5 R1155H R1155H (-FE)

*1: The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and land pattern (foot pattern).
*2: Reliability file includes a reliability test report and a reflow profile.

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