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Description
The R5323K029B-TR is a CMOS-based voltage regulator IC with high output voltage accuracy, low supply current, low dropout, and high ripple rejection. It consists of a voltage reference unit, an error amplifier, resistors for setting the Output Voltage, a current limit circuit, and a chip enable circuit. The IC performs with low dropout voltage due to a built-in transistor with low ON resistance, and the chip enable function prolongs the battery life of the system. It is suitable for power supply in hand-held communication equipment. The output voltage of this IC is internally fixed with high accuracy. The package options for this IC are SOT-23-6, PLP1820-6, and WL-CSP-6, allowing for high density mounting on boards.
Specifications and Features
- Low Supply Current: Typ. 90µA (VR1, VR2)
- Standby Mode: Typ. 0.1µA (VR1, VR2)
- Low Dropout Voltage: Typ. 0.22V (IOUT=150mA, Output Voltage Type)
- High Ripple Rejection: Typ. 75dB (VOUT<=2.4V), Typ. 70dB (VOUT<=2.5V) (f=1kHz), Typ. 65dB (VOUT<=2.4V), Typ. 60dB (VOUT<=2.5V) (f=10kHz)
- Low Temperature-drift Coefficient of Output Voltage: Typ. ±100ppm/°C
- Excellent Line Regulation: Typ. 0.02%/V
- High Output Voltage Accuracy: ±2.0%
- Small Packages: SOT-23-6, PLP1820-6, WL-CSP-6
- 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 (A/B: active high)
- Built-in fold-back protection circuit: Typ. 40mA (Current at short mode)
- Ceramic Capacitor is recommended: 1.0µF or more
Application Scenarios
The R5323K029B-TR is suitable for the following applications:
- Power source for handheld communication equipment
- Power source for electrical appliances such as cameras, VCRs, and camcorders
- Power source for battery-powered equipment
Comparison
Advantages- High output voltage accuracy
- Low supply current
- Low dropout voltage
- High ripple rejection
- Excellent line regulation
- Small package options
Disadvantages- None identified
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Datasheet
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- Datasheet: Download R5323K029B-TR
- Chipdatas Part: CD86-R5323K029B-TR
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- Last Updated: 2024/10/01 17:52 +0800
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