PRM48BY480X500A00 Datasheet, PDF (6/44 Pages) Vicor Corporation – High Efficiency Converter

PRM48By480x500A00
Electrical Specifications
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 < T_INT < 125ºC; All Other specifications are at T_INT = 25ºC unless otherwise noted.
Attribute
Symbol
Conditions / Notes
Min
Typ
Max Unit
Input Voltage Range
V_IN Slew Rate
Initialization Voltage
Initialization Delay
No Load Power Dissipation
Input Quiescent Current
Input Current
Input Capacitance (Internal)
Input Capacitance (Internal) ESR
V_IN
dV_IN /dt
V_INIT
t_INIT
P_NL
I_QC
I_{IN_DC}
C_{IN_INT}
R_CIN
Power Input Specification
Continuous, operating
0 ≤ V_IN ≤ 55.0 V
Internal micro controller initialization voltage
From V_IN first crossing V_INIT
ENABLE HIGH, V_IN = 48.0 V
ENABLE LOW, V_IN = 48.0 V
I_OUT = 10.42 A, V_IN = 48.0 V, V_OUT = 48.0 V
Effective value, V_IN = 48.0 V (see Fig. 13)
Effective value, V_IN = 48.0 V
38.0
0.001
5.0
Rated Output Current
Rated Output Power
Switching Frequency
Output Turn-ON Delay
Start up Sequence Timeout
Efficiency Ambient
Efficiency Hot
Efficiency Over Temperature
Output Discharge current
Output Voltage Ripple
Output Inductance (Parasitic)
Output Capacitance (Internal)
Output Capacitance (Internal) ESR
Power Output Specification
I_OUT Standalone and Master Operation, see Figure 1, SOA
P_OUT Standalone and Master Operation, see Figure 1, SOA
V_IN = 48.0 V V_OUT = 48.0 V,
F_SW
I_OUT = 5.21 A, T_INT = 25°C
Over line, load, trim and temperature,
exclusive of burst mode
From V_IN first crossing V_{IN_UVLO+_SUPV}
t_ON
to ENABLE high; t_INIT expired
From ENABLE pin release to ENABLE high, V_IN applied, t_OFF expired
t_{STARTUP_SEQ} From ENABLE high to start up sequence complete
V_IN = 48.0 V, V_OUT = 48.0 V, I_OUT = 10.42 A, T_INT = 25°C
η_AMB
η_HOT
V_IN = 48.0 V, V_OUT = 48.0 V, I_OUT = 5.21 A, T_INT = 25°C
V_IN = 38.0 V to 55.0 V,
V_OUT = 48.0 V, I_OUT = 10.42 A, T_INT = 25°C
V_IN = 38.0 V to 55.0 V,
I_OUT = 10.42 A, T_INT = 25°C, over trim
V_IN = 48.0 V, V_OUT = 48.0 V,
I_OUT = 10.42 A, T_INT = 100°C
V_IN = 48.0 V, V_OUT = 48.0 V,
I_OUT = 5.21 A, T_INT = 100°C
V_IN = 38.0 V to 55.0 V , V_OUT = 48.0 V,
I_OUT = 10.42 A, T_INT = 100°C
V_IN = 38.0 V to 55.0 V , I_OUT = 10.42 A,
T_INT = 100°C, over trim
η
>50% load and V_OUT = 48.0 V; over temperature
>50% load; over temperature and trim
I_OD
V_{OUT_PP}
Average Value
V_IN = 48.0 V, V_OUT = 48.0 V,
I_OUT = 10.42 A, C_{OUT_EXT} = 0 F, 20 MHz BW
L_{OUT_PAR} Frequency @ 1.03 MHz, Simulated J-Lead model
C_{OUT_INT} Effective value, V_OUT = 48.0 V (see Fig.13)
R_COUT Effective value, V_OUT = 48.0 V
0.94
0.70
96.3
96.0
96.0
93.5
96.3
96.0
96.0
93.0
95.5
91.0
48.0
10
7.0
2.4
14.5
10.7
6
1.5
1.03
20
20
17
97.8
97.3
97.3
97.0
0.5
750
1.9
6
1.5
55.0
1000
9.0
3.5
20.0
11.0
V
V/ms
V
ms
W
mA
A
µF
mΩ
10.42
500
1.07
A
W
MHz
1.07 MHz
µs
µs
ms
%
%
%
%
%
%
%
%
%
%
mA
1500 mV
nH
µF
mΩ
PRM^TM Regulator
Page 6 of 44
Rev 1.4
11/2015
vicorpower.com
800 927.9474