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Description
The G491SD is a high-performance CMOS LDO Voltage Regulator in the IC Chips category. It is part of the XC6219/XC6211 series, known for their accuracy, low noise, and fast turn-on times. This voltage regulator is designed for use in cutting-edge mobile phones and offers low output noise, high ripple rejection ratio, and low dropout. With a current limiter foldback circuit and short protection, this model ensures reliable operation. The output voltage can be adjusted in 50mV steps within the range of 0.9V to 5.0V. It is also compatible with low ESR ceramic capacitors, improving stability and reducing costs. The G491SD also features excellent transient response performance and high PSRR across a wide range of frequencies, making it suitable for applications with frequent load fluctuations. The CE function allows for power consumption reduction by turning off the regulator output.
Specifications and features
- Maximum Output Current: 150mA (VOUT<1.75V, A~D type), 240mA (VOUT>1.8V, A~D type), 300mA (VOUT>1.3V, E~H type)
- Dropout Voltage: 200mV @ IOUT=100mA
- Operating Voltage Range: 2.0V ~ 6.0V
- Output Voltage Range: 0.9V ~ 5.0V (50mV steps)
- Accuracy: +2% (VOUT>1.5V), +30mV (VOUT≦ 1.5V), +1% (VOUT≧ 3.0V)
- Power Consumption: 25μ A (TYP.)
- Standby Current: Less than 0.1μ A (TYP.)
- Ripple Rejection: 65dB @10kHz
- Operating Temperature Range
- ESR Capacitor: Ceramic capacitor compatible
- Ultra Small Packages: SOT-25 (SOT-23-5), SOT-89-5 (for XC6219 only), USP-6B (for XC6219 only)
Application Scenarios
The G491SD is suitable for the following applications:
- Mobile phones
- Cordless phones, radio communication equipment
- Portable games
- Cameras, Video cameras
- Reference voltage sources
- Battery powered equipment
Comparison
Advantages- Highly accurate and low noise
- Fast turn-on times and low dropout
- Excellent transient response performance and high PSRR
- Compatible with low ESR ceramic capacitors
- Reduces power consumption with the CE function
Disadvantages- Limited maximum output current
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
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Popular parts of the same kind
- Datasheet: Download G491SD
- Chipdatas Part: CD89-G491SD
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 20:28 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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