FEATURES

 Operating Voltage Range ·············································· 2.5 V to 5.5 V

[Step-up DC/DC Converter (CH1)]

 Selectable Step-up Output Voltage (VOUTP) ······················ R1287xxxxy: 4.5 V to 5.8 V (0.1 V Step)

 Step-up Output Voltage (Externally adjustable) ················· R1287x001y: 4.5 V to 5.8 V

 Maximum Output Current (Dependent on inductance) ········· R1287xxxxB/D/F/H: 200 mA,

R1287xxxxC/G: 100 mA

[Inverting DC/DC Converter (CH2)]

 Selectable Inverting Output Voltage (VOUTN) ····················· R1287xxxxy: −4.5 V to −5.8 V (0.1 V Step)

 Inverting Output Voltage (externally adjustable) ················· R1287x001y: −4.5 V to −6.0 V

 Maximum Output Current (dependent on inductance) ·········· R1287xxxxB/D/F/H: 200 mA,

R1287xxxxC/G: 100 mA

[Controller]

 ON/ OFF Control: Operates CH1/ CH2 separately by the EN1/ EN2 pin.

 Auto-discharge Function: Discharges the output voltage to GND within a short time in shutdown mode.

 Latch-type Short Circuit Protection: Short-circuiting of either one of CH1 or CH2 activates this circuit.

 Maximum Duty Cycle

 LX Peak Current Limit Function

 Undervoltage Lockout (UVLO) Threshold ························ Typ. 2.25 V

 Thermal Shutdown Temperature ···································· Typ. 150°C

 Oscillator Frequency ··················································· R1287xxxxB/D/F/H:1 MHz,

R1287xxxxC/G: 300 kHz

 Package ··································································· WLCSP-12-P1, DFN3030-12