Datasheet Linear Technology LTC3565EDD#PBF — 数据表

LTC3565
1.25A, 4MHz, Synchronous
Step-Down DC/DC Converter
FEATURES n n n n n n n n n n n DESCRIPTION High Efficiency: Up to 95%
VIN Range: 2.5V to 5.5V
High Frequency Operation: Up to 4MHz
Selectable Low Ripple (Typical 25mVp-p)
Burst Mode® Operation: IQ = 40µA
Stable with Ceramic Capacitors
Uses Tiny Capacitors and Inductor
Low RDS(ON) Internal Switches: 0.15Ω
Current Mode Operation for Excellent Line
and Load Transient Response
Short-Circuit Protected
Low Dropout Operation: 100% Duty Cycle
Low Shutdown Current: IQ ≤ 1µA
Output Voltages from 0.6V to 5V
Synchronizable to External Clock
Supports Pre-Biased Outputs
Small 10-Lead (3mm × 3mm) DFN or MSOP Package APPLICATIONS n n n The LTC®3565 is a constant frequency, synchronous
step-down DC/DC converter. Intended for medium power
applications, it operates from a 2.5V to 5.5V input voltage
range and has a user-configurable operating frequency up …