PRM48AH480x200A00
Electrical Specifications (cont.)
Specifications apply over all line and load conditions, and trim from 20.0 V to 55.0 V, unless otherwise noted; Boldface specifications apply over the
temperature range of -40ºC < TINT < 125ºC; All Other specifications are at TINT = 25ºC unless otherwise noted.
Attribute Symbol Conditions / Notes Min Typ Max Unit
Power Output Specifications: Adaptive Loop Operation
Output Voltage Setpoint VOUT_S T No load, trim Inactive, Adaptive Loop load line inactive 47.00 48.00 49.00 V
Output Voltage Trim Range VOUT 20.0 55.0 V
Output Voltage Rise Time tRIS _VOUT From soft start initiated to output voltage settled 1.7 1.8 1.9 ms
Output Voltage Load Regulation VOUT_R G_LOAD Adaptive loop load line inactive 0.02 0.2 %
Output Voltage Line Regulation VOUT_R G_LIN Adaptive loop load line inactive 0.02 0.2 %
Total Regulation rror VOUT_R G_TOTAL PRM output voltage, Adaptive Loop load line inactive 0.2 %
VTM output voltage, total Adaptive Loop regulation, 13%
Total AL Regulation rror VOUT_R G_AL
VOUT = 48.0 V, trim inactive
VTM output voltage, total Adaptive Loop regulation, 5%
trim active, exclusive of external resistor tolerances
VIN = 48.0 V, VOUT = 48.0 V, TINT = 25°C, constant 4.6 5.2 5.8 A
Output Current Limit ILIMIT current limit after supervisory limit detection time tLIM_SUPV
Over line, load, trim and temperature 4.2 6.3 A
Load Capacitance ( lectrolytic) CLOAD_AL L
0.1 Ω≤SR ≤1Ω, See Figure 32,
total capacitance (CLOAD_AL L + CLOAD_C R) ≤47 µF 47 µF
Load Capacitance (Ceramic) CLOAD_C R 2mΩ≤SR ≤200 mΩ, See Figure 32 25 µF
Load Transient Voltage Deviation VTRANS
10% ↔100% load step, 10 A/µsec, 0 µF COUT
,4.8 V
deviation from initial setpoint
10% ↔100% load step, 10 A/µsec, 0 µF COUT
,
Recovery to 90% of final value, Adaptive Loop 100 µs
Load Transient Recovery Time tTRANS
load line inactive
10% ↔100% load step, 10 A/µsec, 0 µF COUT
,
Recovery to 90% of final value, 500 µs
Adaptive Loop load line active, VAL = 1.20 V
Power Output Specifications: Child Operation with AL Parent
3.3 A
Rated Current Within an Array IOUT_ARRAY
Child Operation within an array, up to 5°C case
temperature differential, parent-child configuration
2.9 A
Child Operation within an array, up to 30°C case
temperature differential, parent-child configuration
160 W
Rated Power Within an Array POUT_ARRAY
Child Operation within an array, up to 5°C case
temperature differential, parent-child configuration
140 W
Child Operation within an array, up to 30°C case
temperature differential, parent-child configuration
qual input, and output voltage at full load; 15 %
VIN = 48.0 V, VOUT = 48.0 V
qual input and output voltage at full load;
IOUT_SHAR _MS
Over line and trim, with 25°C ≤TC≤100°C and ≤5°C 15 %Current Sharing Difference
(Parent to Child) part-part temp. mismatch
qual input, and output voltage at full load;
Over line and trim, with 25°C ≤TC≤100°C 20 %
and ≤30°C part-part temp. mismatch
Rev 1.6
PRM™ Regulator
Page 6 of 42 09/2020
