Product # PQ30033QGA25

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2QG33LU Rev. B

4/28/05

Page 3

Input:

Input:

Output:

Output:

Current:

Current:

P

ackage:

18-60 V

18-60 V

3.3 V

3.3 V

25 A

25 A

Quarter-brick

Quarter-brick

T

pecification

Parameter

Min.

Typ.

Max.

Units

Notes & Conditions

ABSOLUTE MAXIMUM RATINGS

Input Voltage

Non-Operating

80

V

continuous

Operating

60

V

continuous

Operating Transient Protection

80

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

18

48

60

V

Input Under-Voltage Lockout

Turn-On Voltage Threshold

16.2

16.7

17.2

V

Turn-Off Voltage Threshold

14.6

15.1

15.6

V

Lockout Voltage Hysteresis

1.1

1.6

2.1

V

Maximum Input Current

6

A

100% Load, 18 Vin

No-Load Input Current

60

90

mA

Disabled Input Current

1.6

3

mA

Inrush Current Transient Rating

0.03

Response to Input Transient

400

mV

1000V/ms input transient, 18V-48V step

Input Reflected Ripple Current

20

mA

P-P thru 10µH inductor; Figs. 17 & 19

Input Terminal Ripple Current

320

mA

RMS; Figures 17 & 18

Recommended Input Fuse

20

A

fast blow external fuse recommended

Input Filter Component Values (C\L)

6.6\1.5

µF\µH

internal values, see Figure E

Recommended External Input Capacitance

47

µF

Typical ESR 0.1-0.2

OUTPUT CHARACTERISTICS

Output Voltage Set Point

3.267

3.300

3.333

V

Output Voltage Regulation

Over Line

+0.05 \ 2 +0.15 \ 5

%\mV

Over Load

+0.05 \ 2 +0.15 \ 5

%\mV

Over Temperature

+17

+50

mV

Total Output Voltage Range

3.207

3.393

V

over sample, line, load, temperature & life

20MHz bandwidth; Figures 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

0

25

A

Subject to thermal derating; Figures 5-12

Output DC Current-Limit Inception

26

30

34

A

Output Voltage 10% Low; Figure 21

Output DC Current-Limit Shutdown Voltage

1.9

V

Back-Drive Current Limit while Enabled

0.4

1.0

1.7

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

0

10

50

mA

Negative current drawn from output

Maximum Output Capacitance

20,000

µF

3.3Vout at 25A Resistive Load

DYNAMIC CHARACTERISTICS

Input Voltage Ripple Rejection

70

dB

120 Hz; Figure 24

Output Voltage During Load Current Transient

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

150

mV

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

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

150

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

12

14

ms

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

Start-Up Inhibit Time

180

200

240

ms

-40°C to +125°C; Figure F

Output Voltage Overshoot

0

%

20,000 µF load capacitance, Iout = 0A

EFFICIENCY

100% Load (24Vin)

89.5

%

Figures 1 - 4, 24Vin

50% Load (24Vin)

90.5

%

Figures 1 - 4, 24Vin

100% Load (48Vin)

88.5

%

Figures 1 - 4, 48Vin

50% Load (48Vin)

89.5

%

Figures 1 - 4, 48Vin

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 - 12 for derating curves

ISOLATION CHARACTERISTICS

Isolation Voltage (dielectric strength)

2000

V

Isolation Resistance

30

M

Ω

470

pF

PQ30033QGA25 ELECTRICAL CHARACTERISTICS

perature 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.