NJW4138
Internal 45V
MOSFET Switching Regulator IC for Capacitor Charge Boost Converter
■FEATURES
●Current Mode Control
●External Clock Synchronization
●Operating
Voltage Range
4.
5V to 40V
●Switching Current
1.
75A min.
●PWM Control
●Built-in Compensation Circuit
●Correspond to Ceramic Capacitor (MLCC)
●Oscillating Frequency
2MHz typ.
(C ver.
)
●Soft Start Function
10ms typ.
●UVLO (Under
Voltage Lockout)
●Over Current Protection (Pulse-by-Pulse type)
●Thermal Shutdown Protection
●Standby Function
●Package Outline
SOT-89-5-2
■GENERAL DESCRIPTION
The NJW4138 is a step up switching regulator with 45V, 1.
75A power
MOSFET.
The NJW4138 has a current mode control, a high frequen...