Description
3A, 18V, 350kHz , Synchronous Buck Regulator NR885E General .
The NR885E is synchronous buck regulator ICs integrates High-side and Low-side power MOSFETs.
Features
* & Benefits
* Current mode PWM control
* Up to 95% 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
VIN
R3 C10 SW 3 L1
VIN_s
C1 C2
R1 7
2 IN EN
1 BS
Vo Vo_s
NR885E
8 SS GND 4 FB NC 6 5
R5 C4 C5 R4
GND
GND
C9 R6 D1
Option
SW
C1, C2: 10μF / 25V C4, C5: 22μF / 16V C9: