R1170H251B-T1-FB - Brand New RICOH IC Chips
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Description
The R1170H251B-T1-FB is a positive voltage regulator IC by CMOS process. It has features of high ripple rejection, low dropout voltage, high output voltage accuracy, and low consumption current. The IC consists of a voltage reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at short mode, a chip enable circuit, and thermal-shunt circuit. Output Voltage of R1170H251B-T1-FB is fixed in the IC. Low consumption current by the merit of CMOS process and built-in transistors with low ON-resistance make low dropout voltage, and chip enable function prolongs the battery life. This regulator is a remarkable improvement on the current regulators in terms of ripple rejection, input transient response, and load transient response. Maximum Output Current is large for its compact size, making it suitable for various power sources for portable appliances. Since the packages for this IC are the SOT-89-5 package or HSON6, high-density mounting of the IC on boards is possible.
Specifications and features
- Ultra-Low Supply Current: TYP. 80µA
- Low Standby Current: TYP. 0.1µA
- Output Current: MIN. 800mA(VIN=VOUT+1.0V)
- Output Voltage: Stepwise setting with a step of 0.1V in the range of 1.5V to 4.0V
- High Output Voltage Accuracy: ±2.0%
- Low Dropout Voltage: TYP. 0.12V(VOUT=3.0V, IOUT=300mA)
- Line Regulation: TYP. 0.05%/V
- Small Package: SOT-89-5, HSON6
- Built-in Current Limit Circuit
- Built-in Thermal Shunt Circuit
- Low Temperature-drift Coefficient of Output Voltage: TYP.±100ppm/°C
Application Scenarios
The R1170H251B-T1-FB is suitable for the following applications:
- Local Power source for Notebook PC
- Local Power source for portable appliances, cameras, and videos
- Local Power source for equipment of battery-use
- Local Power source for home appliances
Comparison
Advantages- High ripple rejection
- Low dropout voltage
- High output voltage accuracy
- Low consumption current
- Compact size for maximum output current
- High-density mounting capability
Disadvantages- Fixed output voltage
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download R1170H251B-T1-FB
- Chipdatas Part: CD93-R1170H251B-T1-FB
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 08:44 +0800
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