PROCUREMENT DATA
Identity and sourcing requirements.
MANUFACTURER DATA REVIEW
Key technical specifications
Ordering-code highlights reviewed against official manufacturer documentation.
- Function
- Synchronous step-down DC/DC converter (MPS) — QFN-19 (3 mm × 5 mm), MSL 1
- Recommended operating conditions
- VIN 4.5 V to 100 V; VOUT 0.8 V to 35 V; TJ −40 °C to +125 °C (datasheet p. 3)
- Current limits
- High-side peak current limit 4 / 4.5 / 5.1 A; low-side valley current limit 2.6 / 2.9 / 3.4 A (electrical characteristics; header conditions VIN = 48 V, TJ −40…+125 °C)
- FB reference voltage
- 0.792 / 0.800 / 0.808 V at TJ = 25 °C; 0.788 / 0.800 / 0.812 V over TJ −40…+125 °C (VIN 4.5–100 V)
- Switching frequency
- 360 / 400 / 440 kHz (min/typ/max), fixed
- Quiescent current
- 8 µA typ / 12 µA max — VFB = 0.82 V, VBIAS = 0 V, VBST = 5 V, no switching, measured on the VIN pin, TJ < 85 °C
- Input UVLO
- Rising threshold 4.0 / 4.2 / 4.4 V (min/typ/max), VIN rising; hysteresis 350 mV typ
- FET on-resistance
- High-side 170 mΩ typ; low-side 80 mΩ typ
- Absolute maximum ratings
- VIN/EN −0.3 V to +105 V; SW −0.3 V to VIN + 0.3 V (−4 V to VIN + 4 V under 10 ns); BIAS −0.3 V to +14 V; all other pins −0.3 V to +6.5 V; TJ 150 °C; Tstg −65 °C to +150 °C
- Package and packing
- QFN-19 (3 mm × 5 mm); the -Z suffix is the tape-and-reel orderable: 5,000 pcs per 13-inch reel (Carrier Information, datasheet p. 19); the E element of the marking denotes wettable flanks