Datasheet Details
| Part number | LTC3548 |
|---|---|
| Manufacturer | Linear Technology (now Analog Devices) |
| File Size | 248.58 KB |
| Description | Step-Down DC/DC Regulator |
| Datasheet |
 LTC3548 Datasheet
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General Description
The LTC®3548 is a dual, constant-frequency, synchronous step down DC/DC converter.
Intended for low power applications, it operates from 2.5V to 5.5V input voltage range and has a constant 2.25MHz switching frequency, allowing the use of tiny, low cost capacitors and inductors with a profile ≤1mm.
Key Features
- n High Efficiency: Up to 95% n Very Low Quiescent Current: Only 40μA n Low Output Ripple Burst Mode® Operation n 2.25MHz Constant-Frequency Operation n High Switch Current: 0.7A and 1.2A n No Schottky Diodes Required n Low RDS(ON) Internal Switches: 0.35Ω n Current Mode Operation for Excellent Line and Load Transient Response n Short-Circuit Protected n Low Dropout Operation: 100% Duty Cycle n Ultralow Shutdown Current: IQ < 1μA n Output Voltages from 5V down to 0.6V n Power-On Reset Output n Ext.