Product overviewPI3303-00-LGIZ is a member of Vicor's PI33xx family of high-efficiency ZVS (zero-voltage-switching) buck regulators. It is supplied in a compact 10×14 LGA-SIP package (14.0 x 10.0 x 2.56 mm) and is designed for fast development cycles and high power density applications. Example page listing shows Input 24 V, Output 12 V and Iout max 8 A.
Key specifications- Part number: PI3303-00-LGIZ
- Input voltage (example): 24 V
- Output voltage (example): 12 V
- Maximum output current: 8 A
- Package: 10×14 LGA-SIP (0.5512 x 0.3937 x 0.1001 in / 14.0 x 10.0 x 2.56 mm)
- Operating temperature: −40°C (LGIZ), −55°C (LGMZ)
- Lead time (example): 28 weeks; Minimum order quantity: 10
Features- High-efficiency ZVS-buck topology with peak efficiencies >96% (24 Vin→12 Vout) and >95% (12 Vin→5 Vout)
- Wide input range variants: 8–18 V (12 Vin optimized) and 8–36 V; some family variants up to 60 V
- Wide output range: 1–16 V
- Very fast transient response and high efficiency at light and full load
- Internal compensation for rapid development; few external components required
- Flexible features: frequency synchronization, user-adjustable soft-start and tracking
- Parallel operation, single-wire current sharing and two-phase interleaving
- Protections: OVLO/UVLO, OVP, OTP; constant-voltage or constant-current operation with dedicated error amplifier/reference
Mechanical & thermal- Package: 10×14 LGA-SIP
- Dimensions: 0.5512 x 0.3937 x 0.1001 in / 14.0 x 10.0 x 2.56 mm
- Thermal/temperature variants: LGIZ −40°C; LGMZ −55°C (model dependent)
Ordering & pricing (example)- Lead time: 28 weeks (as listed)
- Minimum order quantity: 10
- Sample MSRP tiers (example): 10+ $15.50; 25+ $14.14; 100+ $13.27
Documentation & resourcesDatasheet, application notes, evaluation board user guide and mechanical drawings available. Reference materials include white papers on ZVS-buck topology and assembly guidelines for 10×10 and 10×14 LGA/BGA packages.
Distributor stock (snapshot)- Digi-Key: 3759 units
- Arrow: 0 units
- Avnet: 0 units
- Mouser: 0 units
NotesDisplayed values on the page are example variant parameters (Input 24 V, Output 12 V, Iout max 8 A). Stock and lead times are indicative and should be verified with distributors or Vicor for current availability.