onsemi NCP3155B
The NCP3155 is a DC/DC synchronous switching regulator with fully integrated power switches and full fault protection. The switching frequency of 1 MHz and 500 kHz allows the use of small filter components, which results in smaller board space and reduced BOM cost.| Part No. | NCP3155B |
|---|---|
| Datasheet | NCP3155B Download |
| Manufacturer |  onsemi |
| Description | 3A Synchronous Buck Regulator |
| Buy | Stock & Price |
FEATURES
● Input Voltage Range from 4.7 V to 24 V● Adjustable Output Voltage
● 1 MHz Operation (NCP3155A – 500 kHz)
● Internally Programmed 1.2 ms Soft−Start (NCP3155A – 2.4 ms)
● 0.8 ± 1.0% Reference Voltage
● 48 mW HS−FET and 18 mW LS−FET
● Current Limit Protection
● Transconductance Amplifier with External Compensation
● Input Undervoltage Lockout
● Output Overvoltage and Undervoltage Detection
● These are Pb−Free Devices Typical
APPLICATIONS
● Set Top Boxes● DVD Drives and HDD
● LCD Monitors and TVs
● Cable Modems
● Telecom/Networking/Datacom Equipment 4.7 V − 24 V VIN BST VSW PGND NCP3155 ISET FB1 COMP AGND VOUT Figure 1. Typical Application Circuit 8 1 SOIC−8 NB CASE 751 MARKING DIAGRAM 8 3155x ALYW G 1 3155x A L Y W G = Specific Device Code x = A or B = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package PIN CONNECTIONS PGND VIN BST COMP VSW ISET AGND FB (Top View) ORDERING INFORMATION Device Package Shipping† NCP3155ADR2G SOIC−8 2500 / Tape & Reel (Pb−Free) NCP...
