AiT A7545 current mode boost DC-DC converter with Adjustable Output up to 9V and Internal Fixed PWM frequency of 1MHz
The A7545 is a current mode boost DC-DC converter. It is PWM circuitry with built-in 0.05Ω power MOSFET makes this regulator highly power efficient. The internal compensation network also minimizes as many as 6 external component counts. Build-in 12V / 4.5A MOSFET provides a high output voltage. The non-inverting input of the error amplifier connects to a 0.6V precision reference voltage and internal Soft start circuitry is integrated into A7545 to avoid inrush current during power On. This device is more suitable for applications like Chargers, LCD displays, Digital Cameras, and other portable devices.A7545 is available in the PSOP8 package.
ORDERING INFORMATION
FEATURES
Adjustable Output up to 9V
Internal Fixed PWM frequency: 1MHz
Precision Feedback Reference Voltage: 0.6V (±2%)
Internal 0.05Ω, 4.5A, 12V Power MOSFET
Shutdown Current: 0.1μA
Over Temperature Protection
Over Voltage Protection
Adjustable Over Current Protection: 0.5A~4.5A
Available in PSOP8 Package
APPLICATION
Chargers
LCD Displays
Digital Cameras
Handheld Devices
Portable Products
TYPICAL APPLICATION
PIN DESCRIPTION
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