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Description
The R1163D331B-TR-F is a CMOS-based voltage regulator IC. It offers high output voltage accuracy, low supply current, and low ON-resistance. This voltage regulator IC consists of a voltage reference unit, an error amplifier, resistors for setting the output voltage, a current limit circuit, and a chip enable circuit. It has low dropout voltage and a chip enable function. To prevent destruction from overcurrent, a current limit circuit is included. The R1163D331B-TR-F has three modes, including a standby mode with a chip enable or standby control pin, as well as Fast Transient Mode (FT mode) and Low Power Mode (LP mode), which can be selected using the ECO pin. In LP mode, the consumption current is reduced to 1/10 compared to FT mode. The output voltage of this IC is internally fixed with high accuracy, and it is available in SOT-23-5 and SON-6 packages, allowing for high-density mounting on boards.
Specifications and Features
- Ultra-Low Supply Current: Typ. 3.5µA (LP mode, VOUT ≤ 1.5V), Typ. 40µA (FT 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 Range: 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 R1163D331B-TR-F is suitable for the following applications:
- Precision voltage references
- Power source for electrical appliances such as cameras, VCRs, and hand-held communication equipment
- Power source for battery-powered equipment
Comparison
Advantages- High output voltage accuracy
- Low supply current
- Low ON-resistance
- Low dropout voltage
- Chip enable function
- Built-in current limit circuit
Disadvantages- The packages may be relatively small, which could pose challenges for some applications requiring larger components.
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Datasheet
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- Datasheet: Download R1163D331B-TR-F
- Chipdatas Part: CD93-R1163D331B-TR-F
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- Last Updated: 2024/10/01 08:52 +0800
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