Sanken NR131A
The NR131A is buck regulator ICs integrates High-side power MOSFETs. With the current mode control, ultra low ESR capacitors such as ceramic capacitors can be used. The ICs can realize super-high efficiency by performing pulse skip operation at light load condition.| Part No. | NR131A |
|---|---|
| Datasheet | NR131A Download |
| Manufacturer |  Sanken |
| Description | Step-down Buck Regulator |
| Buy | Stock & Price |
FEATURES & BENEFITS
● Current mode PWM control● Up to 94% efficiency at normal load condition
● Up to 85% efficiency at light load condition
● 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 with an external capacitor
● Turn ON/OFF the regulator function Programable Pulse-Skip operation
ELECTRICAL CHARACTERISTICS
● 3A Continuous output current● Operating input range VIN = 4.5V～17V
● Output adjustable VO = 0.8V～14V
● Fixed 350kHz frequency
APPLICATIONS
● LCD TV / Blue-ray / Set top box● Green electronic products
● Other power supply Typical Application Circuit NR131A C1, C2: 10μF / 25V, C4, C5: 22μF / 16V, C9: 0.1μF, C10: 0.1μF, R1: 510kΩ , R3: 10Ω, R4: 36 kΩ, R5: 27kΩ (VO=5.0V), R6: 12kΩ, R7:510kΩ(Option), D1: SJPJ-L4, L1: 10μH Rev.2.0 SANKEN ELECTRIC CO., LTD. 1 Ultra light load high efficiency,VIN=17V,Current mode Step...
