R1211D104C-TR-FA - Brand New RICOH IC Chips
In Stock:2960 ,Ready for Immediate Shipping
New
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In Stock:
2960,
Ready for Immediate Shipping
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Description
The R1211x Series are CMOS-based PWM step-up DC/DC converter controllers with low supply current. Each of the R1211x Series 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. A low ripple, high efficiency step-up DC/DC converter can be composed of this IC with some external components, or an inductor, a diode, a power MOSFET, divider resistors, and capacitors.
Specifications and features
- 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- CMOS-based PWM step-up DC/DC converter controllers
- Low supply current
- High efficiency
- Small packages for space-saving
Disadvantages- Requires external components to compose a step-up DC/DC converter
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Datasheet
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Additional Information
- Datasheet: Download R1211D104C-TR-FA
- Chipdatas Part: CD93-R1211D104C-TR-FA
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 08:41 +0800
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- Full or Partial Refund , If the item is not as described
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