onsemi NCP3125
The NCP3125 is a flexible synchronous PWM Switching Buck Regulator. The NCP3125 is capable of producing output voltages as low as 0.8 V. The NCP3125 also incorporates voltage mode control.| Part No. | NCP3125 |
|---|---|
| Datasheet | NCP3125 Download |
| Manufacturer |  onsemi |
| Description | 4A Synchronous PWM Switching Converter |
| Buy | Stock & Price |
FEATURES
● 4.5 V to 13.2 V Operating Input Voltage Range● 60 mW High−Side, 36 mW Low−Side Switches
● Output Voltage Adjustable to 0.8 V
● 4 A Continuous Output Current
● Fixed 350 kHz PWM Operation
● 1.0% Initial Output Accuracy
● 75% Max Duty Ratio
● Over−Load Protection
● Programmable Current Limit
● This is a Pb−Free Device Typical Application
● Set Top Boxes
● DVD Drives and HDD
● LCD Monitors and TVs
● Cable Modems
● Telecom / Networking / Datacom Equipment 8 1 SOIC−8 NB D SUFFIX CASE 751 MARKING DIAGRAM 8 3125 ALYWXG G 1 3125 A L Y W G = Specific Device Code = Assembly Location = Wafer Lot = Year/ = Work Week = Pb−Free Package PIN CONNECTIONS PGND FB COMP AGND 1 (Top View) VSW ISET VIN BST ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 21 of this data sheet. 4.5 V − 13.2 V VIN BST VSW PGND NCP3125 ISET FB1 COMP AGND Figure 1. Typical Application Circuit 3.3 V EFFICIENCY (%) 100 95 5 V 90 85 80 75 70 65 0 0.5 1 1.5 2 2.5 3 3.5 4 OUTPUT CURRENT (A) Figure 2.
