ADP5076ACBZ-R7

FEATURES 

Input supply voltage range: 2.85Vto 5.5V 

Generates well regulated, independently resistor programmable Vpos and VEc outputs 

Boost regulator to generate Vpos output 

  Adjustable positive output to 35V 

  Integrated 2.0 A main switch

Inverting regulator to generate VuEG output 

  Adjustable negative output to-30V 

  Integrated 1.20 A main switch

1.2MHz or 2.4MHz switching frequency with optionalexternal frequency synchronization from 1.0 MHz to 2.6MHz 

Resistor programmable soft start timer 

Slew rate control for lower system noise 

Individual precision enable and flexible start-up sequence 

  control for symmetric start, Vpos first, or Vwec first 

Out of phase operation 

UVLO, OCP, OVP, and TSD protection

1.61mm×2.18mm,20-ball WLCSP

-40°Cto +125C junction temperature range 

APPLICATIONS 

Bipolar amplifiers, ADCs, DACs, and multiplexers Charge coupled device(CCD) bias supply 

Optical module supply 

RF power amplifier bias 

Time of flight module supply

GENERAL DESCRIPTION 

The ADP5076 is a dual, high performance, dc-to-dc regulator that generates independently regulated positive and negative rails. Theinput voltage range of 2.85 V to 5.5 V supports a wide variety of applications. The integrated main switch in both regulators enablesgeneration of an adjustable positive output voltage up to +35 Vand a negative output voltage down to-30V.

The ADP5076 operates at a pin selected 1.2 MHz or 2.4 MHz switching frequency. The ADP5076 can synchronize with an external oscillator from 1.0 MHz to 2.6 MHz to ease noise filtering in sensitive applications. Both regulators implement programmable slew rate control circuitry for the metal-oxidesemiconductor field effect transistor(MOSFET) driver stage to reduce electromagnetic interference(EMI). Flexible start-up sequencing is provided with the options of manual enable, simultaneous mode, positive supply first, and negative supply first. The ADP5076 includes a fixed internal or resistor programmable soft start timer to prevent inrush current at power-up.

Other key safety features in the ADP5076 include overcurrent protection(OCP), overvoltage protection(OVP), thermal shutdown(TSD), and input undervoltage lockout (UVLO).

The ADP5076 is available in a 20-ball wafer level chip scale package(WLCSP) and is rated for a-40℃ to+125C junction temperature range.

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