The LDL1117S33R provides 1.2 A of maximum current with an input voltage range from 2.5 V to 18 V, and a typical dropout voltage of 350 mV @ 1.2 A.
The high power supply rejection ratio of 87 dB at 120 Hz, rolling down to more than 40 dB at 100 kHz, makes the LDL1117S33R suitable for direct regulations in SMPS and secondary linear regulations in DC-DC converters.
This device includes current limit, SOA and thermal protections.
Feature
Input voltage from 2.5 V to 18 V
20 V AMR
Available on fixed output voltages: 1.2 V (1.185 V), 1.5 V, 1.8 V, 2.5 V, 3 V, 3.3 V, 5.0 V (other options are available on request)
Guaranteed output current 1.2 A
Typical dropout 350 mV @ 1.2 A
Internal thermal, current and power limitation
High PSRR 87 dB @ 120 Hz
Operating temperature range: -40 °C to 125°C
Package SOT223
Catalogue
FPGA / CPLD
Memory
MOS 
MCU 
DSP
OCEP
Secondary 
Other 
