Product # DQ65033QGL10

Phone 1-888-567-9596

Doc.# 005-2DQ653D Rev. C

9/14/04

Page 3

Technical Specification

48Vin 5.0/3.3Vout 100W

Quarter

Quarter

Brick Dual

Brick Dual

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, 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

32

33

34

V

Turn-Off Voltage Threshold

28.5

29.5

30.5

V

Lockout Voltage Hysteresis

2.5

3.5

4.5

V

Maximum Input Current

3.4

A

100% Load, 35 Vin

No-Load Input Current

60

80

mA

Disabled Input Current

3

5

mA

Inrush Current Transient Rating

0.025

Response to Input Transient

250

mV

1000V/ms input transient

Input Reflected Ripple Current

3

mA

RMS thru 10µH inductor; Figs. 17 & 19

Input Terminal Ripple Current

30

mA

RMS; Figs. 17 & 18

Recommended Input Fuse

20

A

fast blow external fuse recommended

Input Filter Component Values (L\C)

4.7\1x2

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 (3.3V)

3.27

3.30

3.33

V

48Vin, 50% load on each voltage

Output Voltage Set Point (5.0V)

4.95

5.00

5.05

V

48Vin, 50% load on each voltage

Output Voltage Regulation (3.3V)

Over Line

+0.06 \ 2 +0.15 \ 5

%\mV

Over Load

+0.5 \ 17 +1.0 \ 33

%\mV

Over Temperature

+17

+50

mV

Total Output Voltage Regulation (5.0V)

Over Line

+0.04 \ 2

+0.1 \ 5

%\mV

Over Load

+0.3 \ 15 +0.6 \ 30

%\mV

Over Temperature

+25

+60

mV

Total Output Voltage Range (3.3V)

3.22

3.38

V

over sample, line, load, temperature & life

Total Output Voltage Range (5.0V)

4.89

5.11

V

over sample, line, load, temperature & life

20MHz bandwidth; Fig. 17 & 20

Peak-to-Peak

50

100

mV

Full Load, see Figures 17 & 20

RMS

10

20

mV

Full Load, see Figures 17 & 20

Operating Output Current Range (3.3V)

0

15

A

Subject to thermal derating; Figs. 7-12

Operating Output Current Range (5.0V)

0

10

A

Subject to thermal derating; Figs. 7-12

Output DC Current-Limit Inception (3.3V)

15.2

17

19.4

A

Output Voltage 10% Low; Figs. 21-22

Output DC Current-Limit Inception (5.0V)

10.2

12

14.4

A

Output Voltage 10% Low; Figs. 21-22

Short-Circuit Protection - redundant shutdown (3.3V)

17.0

A

Figures 23-24

Short-Circuit Protection - redundant shutdown (5.0V)

11.8

A

Figures 23-24

Output DC Current-Limit Shutdown Voltage (3.3V)

2.0

V

Output DC Current-Limit Shutdown Voltage (5.0V)

3.0

V

Back-Drive Current Limit while Enabled

0.2

0.5

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

20

50

mA

Negative current drawn from output

Maximum Output Capacitance (3.3V)

13

mF

3.3V at 15A resistive load

Maximum Output Capacitance (5.0V)

6.8

mF

5.0V at 10A resistive load

DYNAMIC CHARACTERISTICS

Input Voltage Ripple Rejection (3.3V \ 5.0V)

70\70

dB

120 Hz; Figs. 27-28

Output Voltage during Load Current Transient

For a Step Change in 3.3V Output Current (.1A/µs)

100

mV

50% to 75% to 50% Iout max; Figure 15

For a Step Change in 5.0V Output Current (.1A/µs)

180

mV

50% to 75% to 50% Iout max; Figure 16

Settling Time

400

µs

to within 1% Vout nom

Turn-On Transient

Turn-On Time

14

18

ms

Full load, Vout=90% nom.; Figs. 13 & 14

Start-Up Inhibit Time

180

200

220

ms

-40°C to +125°C; Figure F

Output Voltage Overshoot

0

%

10mF load capacitance, Iout = 0A

EFFICIENCY

100% Load

88

%

48Vin, 100% load each Vout; Figs 1 - 6

50% Load

88.5

%

48Vin, 50% load each Vout; Figs 1 - 6

DQ65033QGL10 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)