LM26484
www.ti.com SNVS573F – SEPTEMBER 2008 – REVISED MARCH 2013 LM26484 Power Management Unit
Check for Samples: LM26484 FEATURES APPLICATIONS 1 2 Step-Down DC/DC Converter (Buck)
– 3.0–5.5V Input Range
– Externally Adjustable VOUT:
– Bucks 1 & 2: 0.8V–3.5V @ 2A
– 180° Phase Shift Between Bucks Clocks
– 2 MHz PWM Switching Frequency
– ±1% feedback Voltage Accuracy
– Automatic Soft Start
– Current Overload Protection
– PWM/PFM efficiency Modes Available
Linear Regulator (LDO) Controller
– 3.0V–5.5V Input Range
– Externally Adjustable VOUT
– ±1.5% Feedback Voltage Accuracy
– Regulated to Low VIN -Low VOUT LI-LO (Low
Input Low Output) NFET Operation
– Input to the LI-LO Configuration, Can Be
Post Regulated When Supply is Regulated
by Buck2
– Up to 1000 mA Output Current by Selection
of External FET Digital Cores and I/Os (FPGAs, ASICs, DSPs) …
