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FEATURES

? Versatile

- Single supply operation from 4.5 V to 60 V

input voltage

- Adjustable output voltage down to 0.8 V

- Scalable solution 2 A (SiC469), 4 A (SiC468),

6 A (SiC467), 10 A (SiC466)

- Output voltage tracking and sequencing with

pre-bias start up

- ± 1 output voltage accuracy at -40 °C to +125 °C

? Internal compensation

? Highly efficient

- 98 peak efficiency

- 4 μA supply current at shutdown

- 156 μA operating current not switching

? Highly configurable

- Adjustable switching frequency from 100 kHz to 2 MHz

- Adjustable soft start and selectable preset 100 , 75 ,

and 50 current limit

- 2 modes of operation, forced continuous conduction,

power save

? Robust and reliable

- Output over voltage protection

- Output under voltage / short circuit protection with auto

retry

- Power good flag and over temperature protection

- Supported by Vishay PowerCAD online design

simulation

? Material categorization: for definitions of compliance

please see www.vishay.com/doc?99912

APPLICATIONS

? Industrial and automation

? Home automation

? Industrial and server computing

? Networking, telecom, and base station power supplies

? Wall transformer regulation

? Robotics

? High end hobby electronics: remote control cars, planes,

and drones

? Battery management systems

? Power tools

? Vending, ATM, and slot machines

DESCRIPTION

The SiC46x is a family of wide input voltage high efficiency

synchronous buck regulators with integrated high side and

low side power MOSFETs. Its power stage is capable of

supplying high continuous current at up to 2 MHz switching

frequency. This regulator produces an adjustable output

voltage down to 0.8 V from 4.5 V to 60 V input rail

to accommodate a variety of applications, including

computing, consumer electronics, telecom, and industrial.

SiC46x’s architecture delivers ultrafast transient response

with minimum output capacitance and tight ripple regulation

at very light load. The device is internally compensated and

is stable with any capacitor. No external ESR network is

required for loop stability purpose. The device also

incorporates a power saving scheme that significantly

increases light load efficiency. The regulator integrates a full

protection feature set, including over current protection

(OCP), output overvoltage protection (OVP), short circuit

protection (SCP), output undervoltage protection (UVP) and

thermal shutdown (OTP). It also has UVLO for input rail and

a user programmable soft start.

The SiC46x family is available in 2 A, 4 A, 6 A, 10 A pin

compatible 5 mm by 5 mm lead (Pb)-free power enhanced

MLP55-27L package.