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Description
The R1111N321B-TR is a voltage regulator IC that falls into the product category of IC chips. It is part of the R1111N series of voltage regulator ICs designed using CMOS process that features high output voltage accuracy, low supply current, low ON resistance, and high Ripple Rejection. These voltage regulator ICs consist of a voltage reference unit, an error amplifier, resistors, a current limit circuit, and a chip enable circuit.
Specifications and features
- Ultra-Low Supply Current: TYP. 35µA
- Standby Mode: TYP. 0.1µA
- Low Dropout Voltage: TYP. 0.2V(IOUT=100mA)
- High Ripple Rejection: TYP. 70dB(f=1kHz)
- Low Temperature-Drift Coefficient of Output Voltage: TYP. ±100ppm/°C
- Excellent Line Regulation: TYP. 0.05%/V
- High Output Voltage Accuracy: ±2.0%
- Excellent Line and Load Transient Response
- Small Package: SOT-23-5(Mini-mold)
- Output Voltage: Stepwise setting with a step of 0.1V in the range of 1.5V to 5.0V is possible
- Built-in chip enable circuit (2 types; A: “L” active , B: “H” active)
- Pinout: Similar to the LP2980
Application Scenarios
The R1111N321B-TR is typically used in applications where high output voltage accuracy, low power consumption, high ripple rejection, and small package are important considerations. Examples of such applications include mobile and wearable devices, battery-powered equipment, and distributed power supply systems.
Comparison
Advantages- High output voltage accuracy
- Ultra-low supply current
- Low ON resistance
- High Ripple Rejection
- Excellent line and load transient response
- Built-in chip enable circuit
- Small package
Disadvantages- None
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Similar parts: 430483 , Click to view
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Datasheet
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Popular parts of the same kind
- Datasheet: Download R1111N321B-TR
- Chipdatas Part: CD88-R1111N321B-TR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 10:33 +0800
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