特点
5-Bit Digitally Programmable 1.3V to 3.5V Fixed Output Voltage, VRM 8.4 Compliant
Fast Transient Response: 0% to 100% Duty Cycle
Phase Lead Compensation for Remote Sensing
Overtemperature Protection
Flags for Power Good and Overvoltage Fault
19A Output Current Capability from a 5V Supply
Dual N-Channel MOSFET Synchronous Driver
Initial Output Accuracy: ±1.5%
Excellent Output Accuracy: ±2% Typ Over Line, Load and Temperature Variations
High Efficiency: Over 95% Possible
Adjustable Current Limit Without External Sense Resistors
Available in 2O-Lead SSOP and SW Packages
典型应用
描述
The LTC1753 free-runs at 300kHz and can be synchronized to a faster external clock if desired. It provides a phase lead compensation scheme and under harsh loading conditions, the PWM duty cycle can be momentarily forced to 0% or 100% to reduce the output voltage recovery time.