Wide-input FULL-CHIP regulator
YSPRM28F Series
Manual p. 19
A wide-input, wide-output FULL CHIP pre-regulator (16–50 V or 20–40 V in), 120–500 W at up to 95.5 % efficiency — up to 1702.7 W/in³ and 31.25 W/g, cascaded with a fixed-ratio stage in a factorised power architecture.
Semi-custom part numbers can be assigned to your requirement — contact engineering for tightened parameters or extended temperature grades.
Product Features
Wide input, wide output
Maximum volumetric power density 1702.7 W/in³
Maximum gravimetric power density 31.25 W/g
Weight only 16 g
Under/over-voltage, over-current, short-circuit and over-temperature protection
Up to 5 units in parallel for capacity expansion
Cascades with a JVTM to form a factorised power architecture
Operating temperature −55 °C to +100 °C
FULL CHIP package 32.5 × 22.0 × 6.73 mm
Complies with SJ 20668 (General specification for microcircuit modules)
Part Numbering Rule
YSPRM – 28 – F – 36 – M – 120 – L – - – -
YSPRMPre-regulator microchip series
28Input voltage: 16–50 V
FPackage: FULL CHIP
36Output voltage: 26–50 V
MTemperature grade — M: Tc −55~100 °C, Ts −65~100 °C · H: Tc −40~100 °C, Ts −55~100 °C · T: Tc −40~100 °C, Ts −40~100 °C
120Output power: 120 = 120 W, 240 = 240 W, 500 = 500 W
LPin type: L = surface mount, T = through-hole
-Version: default = digital, A = analog
-Custom code: default = standard, 01 = other
Product Model List
3 catalogued part numbers
| Part number | V-in | V-out | Adjust range | I-out | P-out | η | Status |
|---|---|---|---|---|---|---|---|
| YSPRM28F36M120L | 16–50 V | 36 V | 26–50 V | 3.33 A | 120 W | 95.5 % | Available |
| YSPRM28F36M240L | 16–50 V | 36 V | 26–50 V | 6.66 A | 240 W | 95.5 % | In development |
| YSPRM28F24M500L | 20–40 V | 24 V | 20–40 V | 20.8 A | 500 W | 95 % | Available |
For the complete selection, please contact engineering — more variants, packages and grades are available than listed here.
Contact engineering1 of 3 part numbers are marked “in development” in the manual — contact engineering for availability.