Description
3A, 18V, Buck Regulator NR120E series eneral .
The NR120E series is buck regulator ICs integrates High-side power MOSFET.
Features
* & Benefits
* Current mode PWM control
* Up to 94% efficiency
* Stable with low ESR ceramic output capacitors
* Built-in protection function Over Current Protection (OCP) Thermal Shutdown (TSD) Under Voltage Lockout (UVLO)
* Built-in phase compensation
* Adjustable Soft-Start
Applications
* LCD TV / Blu-Ray / Set top box
* Green Electronic products
* Other power supply
Typical Application Circuit
V IN VIN_s
R1 7 C1 C2 8 C9 SS GND 4 2 IN EN 1 BS SW R3 C10 3 L1
Vo Vo _s
NR121E
FB NC 6 5
R5
C4
C5
R4
GND
GND
R6 D1
SW
C1, C2: 10μF / 25V C4, C5: 22μF / 16V C9: 0.1μF