2A,1.0MHZ Synchronous Step-Up DC/DC Converter JTM2183, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM / PFM switching control circuit and an adjustable output current

The JTM2183 is synchronous， 2A，1.0MHZ step-up DC-DC Converter ， which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM / PFM switching control circuit and an adjustable output current limit circuit. With an internal low-ON-resistance N-ch Power MOS and P-ch Power MOS. This product is ideal for applications requiring high efficiency and a high output current.

●High efficiency.( up to 92%) 

●Up to 90% Efficiency at IOUT=2A VOUT = 5V from 3.3V Input. 

●Guaranteed 2.5A Output Current at VOUT = 5V from 3.3V Input 

●Synchronous and internal P-ch Power MOSFET and N-ch power MOSFET , No Schottky Diode Required 

●Oscillator frequency：1.0MHz 

●Reference voltage : 1.25V（±2%） 

●Input voltage range: 2.6 V to 4.4 V 

● Continuous output current: 2.0A typ. (VIN=3V, VOUT=5.0V) 

●Soft start function

●Shutdown function:1.0 μA max. 

●UVLO (under-voltage lockout) function 

●Current Limit: adjustable by the Rcs using different valve 

●Thermal Shutdown Preotection:156℃

 Portable charger, mobile power. 

 Digital cameras, GPS, wireless transceiver

 IPad-like computers, smart phones and portable handheld devices