The ISL78113A provides a tiny and convenient boost power

supply solution to generate a regulated output up to 500mA

from any sub-5V secondary rail found in an automotive

electrical system, including battery powered applications

(NiCd, NiMH, or one-cell Li-Ion/Li-Polymer). It offers an

adjustable output (3.0V to 5.2V) supporting USB-OTG or HDMI

applications. The device is able to supply 500mA from a 3V

input and 5V output, and has a typical 1.3A peak current limit.

The ISL78113A is a fully integrated, internally compensated,

synchronous converter optimized to maximize efficiency and

reduce the overall solution size and bill of materials. Its high

2MHz switching frequency allows the use of tiny, low-profile

inductors and chip capacitors. It also eliminates potential

interference within the AM radio band and the external EMI

filtering needed for converters switching at lower rates. To

minimize power consumption while off, the device features an

ultra-low current shutdown mode dropping quiescent current

to 50nA typical.

ISL78113A is supplied in an 8 Ld DFN package. The device is

rated to operate over the temperature range of -40°C to

+105°C.

Features

• Output disconnect during shutdown preventing output

precharging and uncontrolled short-circuit current

• Input voltage range: 0.8V to 4.7V

• Output current: Up to 500mA (VBAT = 3V, VOUT = 5V)

• Logic control shutdown (IQ < 1µA)

• 2MHz switching frequency

• Up to 95 efficiency at typical operating conditions

• Fault protection: OVP, OCP, OTP, UVLO

• 2mmx2mm 8 Ld DFN package

• Qualified for automotive operations

Applications

• Automotive head units and infotainment systems: especially

those including portable HDMI and USB-OTG connectivity

• Automotive camera systems