R1211D104A-TR-FA - Brand New RICOH IC Chips
In Stock:13483 ,Ready for Immediate Shipping
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In Stock:
13483,
Ready for Immediate Shipping
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Description
The R1211D104A-TR-FA is a CMOS-based PWM step-up DC/DC converter controller with low supply current. It consists of an oscillator, a PWM control circuit, a reference voltage unit, an error amplifier, a reference current unit, a protection circuit, and an under voltage lockout (UVLO) circuit. It is designed to provide a low ripple, high efficiency step-up DC/DC converter with some external components, or an inductor, a diode, a power MOSFET, divider resistors, and capacitors.
Specifications and features
- Product Category: IC Chips
- Standby Current: Typ. 0µA (for B/D version)
- Input Voltage Range: 2.5V to 6.0V
- Built-in Latch-type Protection Function (Output Delay Time can be set with an external capacitor)
- Two Options of Basic Oscillator Frequency: 300kHz, 700kHz
- Max Duty Cycle: Typ. 90%
- High Reference Voltage Accuracy: ±1.5%
- U.V.L.O. Threshold level: Typ. 2.2V (Hysteresis Typ. 0.13V)
- Small Packages: SOT-23-6W or thin (package height Max. 0.85mm) SON-6
Application Scenarios
- Constant Voltage Power Source for portable equipment.
- Constant Voltage Power Source for LCD and CCD.
Comparison
Advantages- The R1211D104A-TR-FA has a low standby current of Typ. 0µA (for B/D version), making it ideal for portable equipment.
- It has a built-in latch-type protection function, which can be set with an external capacitor.
- The R1211D104A-TR-FA offers two options of basic oscillator frequency, giving users flexibility in their designs.
Disadvantages- The input voltage range is limited to a range of 2.5V to 6.0V only.
- Though small, the package type may not be suitable for some small form factor designs.
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
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Additional Information
- Datasheet: Download R1211D104A-TR-FA
- Chipdatas Part: CD88-R1211D104A-TR-FA
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 08:45 +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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