PROCUREMENT DATA
Identity and sourcing requirements.
MANUFACTURER DATA REVIEW
Key technical specifications
Ordering-code highlights reviewed against official manufacturer documentation.
- Function
- Ultralow-noise, ultrahigh-PSRR linear regulator with one-resistor output programming and direct paralleling · 10-lead DFN (DD), 3 mm × 3 mm
- Input and output range
- Input 2 V to 20 V (electrical table); output programmable 0 V to 15 V with VIN above VOUT (EC table)
- SET pin current
- 100 µA typical (99 µA / 101 µA; 98 µA / 102 µA over full conditions) at VIN = 2 V, ILOAD = 1 mA, VOUT = 1.3 V (EC table)
- Dropout voltage
- 260 mV typical / 350 mV maximum at ILOAD = 500 mA (450 mV maximum over full temperature); 220 mV typical / 275 mV maximum at ILOAD = 1 mA to 50 mA (EC table)
- Output noise
- 0.8 µVRMS at ILOAD = 500 mA, BW = 10 Hz to 100 kHz, COUT = 10 µF, CSET = 4.7 µF; spot noise 2 nV/√Hz at 10 kHz with CSET = 0.47 µF (EC table)
- Ripple rejection (PSRR)
- 117 dB at 120 Hz / 90 dB at 10 kHz / 77 dB at 100 kHz / 76 dB at 1 MHz / 53 dB at 10 MHz at ILOAD = 500 mA, VIN − VOUT = 2 V average (EC table)
- Ground pin current
- 2.2 mA typical at ILOAD = 10 µA; 15 mA typical / 25 mA maximum at ILOAD = 500 mA (EC table)
- Enable threshold
- EN/UV rising 1.18 V minimum / 1.24 V typical / 1.32 V maximum, 130 mV typical hysteresis (EC table)
- Absolute maximum ratings
- IN and EN/UV pins ±22 V; SET, OUTS and OUT pins −0.3 V to 16 V; TJ for the E grade −40 °C to 125 °C; Tstg −65 °C to 150 °C (Note 1)
- Package thermal data
- DD package: TJMAX 150 °C, θJA 34 °C/W, θJC 5.5 °C/W; exposed pad (pin 11) is GND
- Order code
- LT3045EDD#TRPBF — tape-and-reel form of LT3045EDD#PBF (tube); part marking LGYP; E grade −40 °C to 125 °C