R1121N181B-TR-F - Brand New RICOH IC Chips
In Stock:5420 ,Ready for Immediate Shipping
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In Stock:
5420,
Ready for Immediate Shipping
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Description
The R1121N181B-TR-F is an IC chip that belongs to the R1121N series of voltage regulator ICs. These ICs have high output voltage accuracy, low dropout voltage, low ON resistance, and high ripple rejection by CMOS process. It consists of a voltage reference unit, error amplifier, current limit circuit, and chip enable circuit. The output voltage is fixed with high accuracy, and it is suited for the power supply of hand-held communication equipment. The package is SOT-23-5 (Mini-mold) package, allowing for high-density mounting of the ICs.
Specifications and features
- Ultra-Low Supply Current: 35µA typical
- Standby Mode: 0.1µA typical
- Low Dropout Voltage: 0.2V (IOUT=100mA) typical
- High Ripple Rejection: 70db (f=1kHz) typical
- Low Temperature-Drift Coefficient of Output Voltage: ±100ppm/°C typical
- Excellent Line Regulation: 0.05%/V typical
- High Accuracy Output Voltage: ±2.0%
- 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: active “L”, B: active “H”)
- Pinout: Similar to the TK112, TK111
Application Scenarios
The R1121N181B-TR-F chip can be used as a voltage regulator for various hand-held communication equipment.
Comparison
Advantages- High output voltage accuracy
- Low dropout voltage
- High ripple rejection by CMOS process
- Low temperature-drift coefficient of output voltage
- Can be mounted in high density due to the small package
Disadvantages- Output voltage is a stepwise setting with a limited range of 1.5V to 5.0V
- Only suited for power supply of hand-held communication equipment
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Datasheet
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Additional Information
- Datasheet: Download R1121N181B-TR-F
- Chipdatas Part: CD88-R1121N181B-TR-F
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 08:50 +0800
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