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R1204N213G-TR-FE - Step-up DC/DC Converter

General Description

No.

Key Features

  • Input Voltage Range2.3 V to 5.5 V.
  • Supply Current Typ. 800 µA.
  • Standby Current Max. 5 µA.
  • Feedback Voltage 0.2 V ±10 mV (R1204xxxxA/D) 0.4 V ±10 mV (R1204xxxxG/H).
  • V ±15 mV (R1204xxxxB/C/E/F).
  • Lx Current Limit FunctionMin. 700 mA.
  • Over Voltage Protection 23 V, 33 V, 42 V (±1.5 V).
  • Oscillator Frequency Typ. 1.0 MHz (R1204xxxxA/B/C/G) Typ. 750 kHz (R1204xxxxD/E/F/H).
  • Maximum Duty Cycle Min. 91% (R1204xxxxA/B/C/G) Min. 92% (R1204xxxxD/E/F/H).
  • FET O.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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R1204x Series Step-up DC/DC Converter with Shutdown Function No. EA-284-180511 OUTLINE The R1204x is a low supply current PWM step-up DC/DC converter. Internally, a single IC consists of an NMOS FET, an oscillator, a PWM comparator, a voltage reference unit, an error amplifier, a current limit circuit, an under voltage lockout circuit (UVLO), an over-voltage protection circuit (OVP), a soft-start circuit, a maximum duty cycle limit circuit, and a thermal shutdown protection circuit. By simply using an inductor, a resistor, capacitors and a diode as external components, a high-efficiency step-up DC/DC converter can be easily configured. As protection functions, the IC contains a thermal shutdown protection circuit, a current limit circuit, an OVP circuit, and an UVLO circuit.