Product # PQ60050HPA45

Phone 1-888-567-9596

Doc.# 005-2HP650K Rev. C

4/16/04

Page 3

Half

Half

Brick

Brick

Technical Specification

48Vin 5.0Vout 45A

Parameter

Min.

Typ.

Max.

Units

Notes & Conditions

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Non-Operating

100

V

continuous

Operating

80

V

continuous

Operating Transient Protection

100

V

100ms transient, square wave

Isolation Voltage (input to output)

2000

V

Basic insulation level, Pollution degree 2

Operating Temperature

-40

100

°C

Storage Temperature

-55

125

°C

Voltage at ON/OFF input pin

-2

18

V

INPUT CHARACTERISTICS

Operating Input Voltage Range

35

48

75

V

Input Under-Voltage Lockout

Turn-On Voltage Threshold

31.5

33.3

34.4

V

Turn-Off Voltage Threshold

29.5

31.0

32.4

V

Lockout Voltage Hysteresis

2.2

2.3

2.4

V

Maximum Input Current

7.1

A

100% Load, 35 Vin

No-Load Input Current

100

120

mA

Disabled Input Current

2

5

mA

Inrush Current Transient Rating

0.04

Response to Input Transient

350

mV

1000V/ms input transient

Input Reflected Ripple Current

5

mA

RMS thru 10µH inductor; Figs. 13 & 15

Input Terminal Ripple Current

200

mA

RMS; Figs. 13 & 14

Recommended Input Fuse

20

A

fast blow external fuse recommended

1\3\6.4

µF\µH\µF internal values, see Figure E

Recommended External Input Capacitance

47

µF

Typical ESR 0.1-0.2

OUTPUT CHARACTERISTICS

Output Voltage Set Point

4.95

5.00

5.05

V

Factory pre-set with Sense(+), Sense(-) open

Output Voltage Regulation

Over Line

+0.05 \ 3

+0.1 \ 5

%\mV

Over Load

+0.1 \ 5

+0.2 \ 10

%\mV

Over Temperature

+15

+30

mV

Total Output Voltage Range

4.85

5.15

V

over sample, line, load, temperature & life

20MHz bandwidth; Fig. 13 & 16

Peak-to-Peak

30

60

mV

Full Load, see Figures 13 & 16

RMS

5

10

mV

Full Load, see Figures 13 & 16

Operating Output Current Range

0

45

A

Subject to thermal derating; Figs. 5-8

Output DC Current-Limit Inception

50

53

55

A

Output Voltage 10% Low; Fig. 17

Output DC Current-Limit Shutdown Voltage

3.5

V

Back-Drive Current Limit while Enabled

1.5

2.5

3.8

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

0

20

50

mA

Negative current drawn from output

Maximum Output Capacitance

34,000

µF

5.0Vout at 45A Resistive Load

DYNAMIC CHARACTERISTICS

Input Voltage Ripple Rejection

60

dB

120 Hz; Fig. 20

Output Voltage during Load Current Transient

For a Step Change in Output Current (0.1A/µs)

200

mV

50% to 75% to 50% Iout max; Figure 11

For a Step Change in Output Current (5A/µs)

300

mV

50% to 75% to 50% Iout max; Figure 12

Settling Time

100

µs

to within 1% Vout nom

Turn-On Transient

Turn-On Time

22

30

ms

Full load, Vout=90% nom.; Figs. 9 & 10

Start-Up Inhibit Time

180

200

240

ms

-40°C to +125°C; Figure A

Output Voltage Overshoot

0

%

10,000 µF load capacitance, Iout = 0A

EFFICIENCY

100% Load

91.5

%

Figures 1 - 4

50% Load

92.5

%

Figures 1 - 4

TEMPERATURE LIMITS FOR POWER DERATING CURVES

Semiconductor Junction Temperature

125

°C

Package rated to 150°C

Board Temperature

125

°C

UL rated max operating temp 130°C

Transformer Temperature

125

°C

See Figures 5 - 8 for derating curves

ISOLATION CHARACTERISTICS

Isolation Voltage (dielectric strength)

2000

V

Isolation Resistance

30

M

Ω

3300

pF

PQ60050HPA45 ELECTRICAL CHARACTERISTICS

temperature with appropriate power derating. Specifications subject to change without notice.

Note 1: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com)

Note 2: Higher values of isolation capacitance can be added external to the module.