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Features

VIN Range: 2.9 – 5.5V

VOUT Options: 0.8 - 3.3V

Up to 2A Output Current

Ultra-Small Footprint, <1mm Height Solution

2.5MHz Switching Frequency

Efficiency Up to 93%

Low Output Noise Across Load Range

Excellent Transient Response

Start Up into Pre-Bias Output

100% Duty-Cycle Low Dropout Operation

<1μA Shutdown Current

Internal Soft Start

Input Under-Voltage Lockout

Output Over-Voltage, Current Limit Protection

Over-Temperature Protection

Adjustable Output Voltage

3mm x 3mm x 0.6mm thermally enhanced

MLPQ-UT16 package

Pb-free, Halogen free, and RoHS/WEEE compliant

AEC-Q100 (Grade2) Qualified

Applications

Automotive DC-DC

Office Automation and Computing

Set-Top Box

LCD TV

Network Cards

Printer

Description

The SC183CQ is a 2A synchronous step-down regulator

designed to operate with an input voltage range of 2.9 to

5.5 Volts. The device offers fifteen pre-determined outputs

voltages via four control pins programmable from 0.8 to

3.3 Volts. The control pins allow for on-the-fly voltage

changes, enabling system designers to implement

dynamic power savings. The SC183CQ is also capable of

adjusting output voltage via an external resistor divider.

The device is available with both commercial and automotive

grade qualification.

The device operates with a fixed 2.5MHz oscillator frequency,

allowing the use of small surface mount external

components.

Connecting CTL0 — CTL3 to logic low forces the device

into shutdown mode reducing the supply current to less

than 1μA. Connecting any of the control pins to logic

high enables the converter and sets the output voltage

according to Table 1. Other features include undervoltage

lockout, soft-start to limit in-rush current, and

over-temperature protection.

The SC183CQ is available in a thermally-enhanced, 3mm

x 3mm x 0.6mm MLPQ-UT16 package and is automotive

qualified to AEC-Q100.

For the commercial grade version of SC183CQ refer to the

SC183C datasheet.