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Description
The R1140Q331B-TR is a voltage regulator IC that belongs to the R1140Q series and is suitable for power supply for hand-held communication equipment. It is a low dropout voltage regulator with a chip enable function and a standby mode. The ICs are designed with high output voltage accuracy, low supply current, low ON resistance, and high ripple rejection by CMOS process. The package for these ICs is SC-82AB (Super Mini-mold) package, which enables high-density mounting of ICs on boards.
Specifications and features
- Ultra-Low Supply Current: TYP. 75µA
- Standby Mode: TYP. 0.1µA
- Low Dropout Voltage: TYP. 0.15V (IOUT=100mA Output Voltage=3.0V Type)
- High Ripple Rejection: TYP. 75dB (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 Dynamic Response
- Small Package: SC-82AB (Super Mini-mold)
- Output Voltage: Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V is possible
- Built-in chip enable circuit (B/D: active high)
- Built-in fold-back protection circuit: TYP. 40mA (Current at short mode)
Application Scenarios
The R1140Q331B-TR is suitable for use as a power source for cellular phones such as GSM, CDMA and various kinds of PCS. It is also used as a power source for electrical appliances such as cameras, VCR and camcorders, and battery-powered equipment.
Comparison
Advantages- Low dropout voltage
- High output voltage accuracy
- Excellent line and load transient response
- Chip enable function and standby mode
- Small package enables high-density mounting on boards
Disadvantages- None identified
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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- Datasheet: Download R1140Q331B-TR
- Chipdatas Part: CD92-R1140Q331B-TR
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
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- Last Updated: 2024/10/01 09:05 +0800
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