HT7991 2.
5A Peak Current, 1MHz Asynchronous Step-up PWM Converter
Features
• Input
Voltage from 2.
6V to 5.
5V • Adjustable Output
Voltage Up to 12V • Internal 0.
2Ω Low Power Switch • Fixed PWM Switching Frequency: 1MHz • Precision Feedback Reference
Voltage: 0.
6V (±2%) • Ultra Low Shutdown Current: 0.
1μA • Embedded Loop Frequency Compensation • Programmable OCP Threshold via External
Resistor, ROC • Complete Protections: Soft Start , UVLO, OCP,
OTP and OVP • Package Type: SOT23-6
Applications
• All Single Cell Li or Dual Cell Battery Application
• Portable Equipment/Handheld Devices
General Description
The HT7991 is a current mode asynchronous stepup DC-DC converter.
The fully i...