LTC3310SEV#WTRMPBF

LTC®3310S is a very small, low noise, monolithic step-down DC/DC converter. The device employs internal hot loop bypass capacitors to achieve both low EMI and high efficiency at switching frequencies as high as 5MHz. For systems with higher power requirements, multi-phasing parallel converters is readily implemented. The LTC3310S uses a constant-frequency, peak current mode control architecture for fast transient response. A 500mV reference allows for low voltage outputs. 100% duty cycle operation delivers low dropout. Other features include a power good signal when the output is in regulation, precision enable threshold, output overvoltage protection, thermal shutdown, a temperature monitor, clock synchronization, mode selection and output short circuit protection. Typical applications are automotive/industrial/communications, servers, telecom power supplies, distributed DC power systems (POL), FPGA, ASIC, µP core supplies.

• Silent switcher®2 architecture: ultralow EMI emissions
• Wide bandwidth, fast transient response
• Safely tolerates inductor saturation in overload, shutdown current is 1µA
• Peak current mode control, output soft-start with voltage tracking
• Power good output, die temperature monitor, error amp transconductance is 400µS
• Configurable for paralleling power stages, programmable frequency to 5MHz
• Adjustable output voltage (0.5V to VIN)
• Operating supply voltage is 2.25 to 5.5V at TA = 25°C, VIN = 3.3V
• 18-lead (3mm × 3mm) LQFN (laminate package with QFN footprint)
• –40°C to 125°C temperature rating, AEC-Q100 qualified for automotive applications

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party