Description

The R1161N151B-TR-F is a voltage regulator IC belonging to the R1160x Series that is designed with high output voltage accuracy. It features low supply current, low ON-resistance, and includes a voltage reference unit, an error amplifier, resistors for setting output voltage, current limit circuit, and a chip enable circuit. The voltage regulator IC is available in SOT-23-5 and SON-6 packages making it possible for high-density mounting of the ICs on boards.

Specifications and features

• Ultra-Low Supply Current: Typ. 3.5µA (Low Power Mode, VOUT ≤ 1.5V) Typ. 40µA (Fast Transient Mode)
• Standby Mode: Typ. 0.1µA
• Low Dropout Voltage: Typ. 0.30V (IOUT=200mA, 3.0V Output Voltage=1.0V Type), Typ. 0.20V (IOUT=200mA, 3.0V Output Voltage=1.5V Type), Typ. 0.14V (IOUT=200mA, 3.0V Output Voltage=3.0V Type)
• High Ripple Rejection: Typ. 70dB (f=1kHz,FT Mode)
• Low Temperature-Drift Coefficient of Output Voltage: Typ. ±100ppm/°C
• Excellent Line Regulation: Typ. 0.05%/V
• High Output Voltage Accuracy: ±2.0% (±3.0% at LP Mode)
• Output Voltage: 0.8V to 3.3V
• Input Voltage: Min. 1.4V
• Built-in Fold Back Protection Circuit: Typ. 50mA (Current at short mode)
• Small Packages: SOT-23-5 (Super Mini-mold),SON-6

Application Scenarios

The R1161N151B-TR-F voltage regulator IC can be utilized in applications such as precision voltage references, power sources for electrical appliances like cameras, VCRs, hand-held communication equipment, and battery-powered equipment.

Comparison

• High output voltage accuracy
• Low supply current
• Low ON-resistance
• Low dropout voltage
• High ripple rejection
• Excellent line regulation

• Output voltage is internally fixed
• High accuracy comes at a higher cost compared to other voltage regulator ICs