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.