PRM48JT480M500A00 datasheet(6/46 Pages) VICOR

Part #	PRM48JT480M500A00

Description	Regulator for Post PFC Operation

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Manufacturer	VICOR [Vicor Corporation]

Direct Link	http://www.vicorpower.com

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6 / 46 page

Rev 1.2

PRMTM Regulator

Page 6 of 46

11/2015

vicorpower.com

800 927.9474

PRM48Jy480x500A00

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 < TINT < 125ºC; All Other specifications are at TINT = 25ºC unless otherwise noted.

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

Power Input Speciﬁcation

Input Voltage Range

VIN

Continuous, operating

45.0

48.0

55.0

V

Input Voltage Range Transient

VIN_TRANS

Derated current or power supported, 200 ms max,

30.0

V

10% duty cycle max

VIN Slew Rate

dVIN /dt

0

≤ V

IN

≤ 55.0 V

0.001

1000

V/ms

Initialization Voltage

VINIT

Internal micro controller initialization voltage

10

V

Initialization Delay

tINIT

From VIN ﬁrst crossing VINIT

5.0

7.0

9.0

ms

No Load Power Dissipation

PNL

ENABLE HIGH, VIN = 48.0 V

2.4

3.5

W

Input Quiescent Current

IQC

ENABLE LOW, VIN = 48.0 V

14.5

20.0

mA

Input Current

IIN_DC

IOUT = 10.42 A, VIN = 48.0 V, VOUT = 48.0 V

10.7

11.0

A

Input Capacitance (Internal)

CIN_INT

Effective value, VIN = 48.0 V (see Fig. 13)6

µF

Input Capacitance (Internal) ESR

RCIN

Effective value, VIN = 48.0 V

1.5

m

Ω

Power Output Speciﬁcation

Rated Output Current

IOUT

Standalone and Master Operation, see Figure 1, SOA

10.42

A

Rated Output Power

POUT

Standalone and Master Operation, see Figure 1, SOA

500

W

VIN = 48.0 V VOUT = 48.0 V,

Switching Frequency

FSW

IOUT = 5.21 A, TINT = 25°C

0.94

1.03

1.07

MHz

Over line, load, trim and temperature,

0.70

1.07

MHz

exclusive of burst mode

From VIN ﬁrst crossing VIN_UVLO+_SUPV

20

µs

Output Turn-ON Delay

tON

to ENABLE high; tINIT expired

From ENABLE pin release to ENABLE high, VIN applied, tOFF expired

20

µs

Start up Sequence Timeout

tSTARTUP_SEQ From ENABLE high to start up sequence complete

17

ms

VIN = 48.0 V, VOUT = 48.0 V, IOUT = 10.42 A, TINT = 25°C

96.3

97.8

%

VIN = 48.0 V, VOUT = 48.0 V, IOUT = 5.21 A, TINT = 25°C

96.1

97.3

%

Efﬁciency Ambient

η

AMB

VIN = 45.0 V to 55.0 V,

96.0

%

VOUT = 48.0 V, IOUT = 10.42 A, TINT = 25°C

VIN = 45.0 V to 55.0 V,

IOUT = 10.42 A, TINT = 25°C, over trim

93.5

%

VIN = 48.0 V, VOUT = 48.0 V,

IOUT = 10.42 A, TINT = 100°C

96.3

97.3

%

VIN = 48.0 V, VOUT = 48.0 V,

IOUT = 5.21 A, TINT = 100°C

96.0

97.0

%

Efﬁciency Hot

η

HOT

VIN = 45.0 V to 55.0 V , VOUT = 48.0 V,

IOUT = 10.42 A, TINT = 100°C

96.0

%

VIN = 45.0 V to 55.0 V , IOUT = 10.42 A,

TINT = 100°C, over trim

93.0

%

Efﬁciency Over Temperature

η

>50% load and VOUT = 48.0 V; over temperature

95.5

%

>50% load; over temperature and trim

91.0

%

Output Discharge current

IOD

Average Value

0.5

mA

Output Voltage Ripple

VOUT_PP

VIN = 48.0 V, VOUT = 48.0 V,

IOUT = 10.42 A, COUT_EXT = 0 F, 20 MHz BW

704

1408

mV

Output Inductance (Parasitic)

LOUT_PAR

Frequency @ 1.03 MHz, Simulated J-Lead model

1.9

nH

Output Capacitance (Internal)

COUT_INT

Effective value, VOUT = 48.0 V (see Fig.13)6

µF

Output Capacitance (Internal) ESR

RCOUT

Effective value, VOUT = 48.0 V

1.5

m

Ω

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