Product # PQ60018EGL20

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2EG618G Rev. B

1/22/08

Page 3

Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

1.8 V

1.8 V

20 A

20 A

Eighth-brick

Eighth-brick

T

pecification

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

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

1.5

A

100% Load, 35 Vin

No-Load Input Current

28

mA

Disabled Input Current

2

5

mA

Inrush Current Transient Rating

0.01

Response to Input Transient

50

mV

1000V/ms input transient

Input Reflected Ripple Current

3.5

mA

RMS thru 10µH inductor; Figures 13 & 15

Input Terminal Ripple Current

130

mA

RMS; Figures 13 & 14

Recommended Input Fuse

10

A

Fast blow external fuse recommended

Input Filter Component Values (L\C)

4.7\1.0

µH\µF

Internal values; Figure E

Recommended External Input Capacitance

47

µF

Typical ESR 0.1-0.2W; Figure 13

OUTPUT CHARACTERISTICS

Output Voltage Set Point

1.782

1.80

1.818

V

Output Voltage Regulation

Over Line

+0.1 \ 2

+0.15 \ 5

%\mV

Over Load

+0.1 \ 2

+0.15 \ 5

%\mV

Over Temperature

+9

+27

mV

Total Output Voltage Range

1.75

1.85

V

Over sample, line, load, temperature & life

20MHz bandwidth; Figures 13 & 16

Peak-to-Peak

70

130

mV

Full Load; Figures 13 & 16

RMS

18

30

mV

Full Load; Figures 13 & 16

Operating Output Current Range

0

20

A

Subject to thermal derating; Figures 5 - 8

Output DC Current-Limit Inception

23

A

Output Voltage 10% Low; Figure 17

Output DC Current-Limit Shutdown Voltage

1.05

V

Back-Drive Current Limit while Enabled

0.45

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

40

60

100

mA

“

Maximum Output Capacitance

40,000

µF

1.8Vout at 20A Resistive Load

DYNAMIC CHARACTERISTICS

Input Voltage Ripple Rejection

75

dB

120 Hz; Figure 20

Output Voltage during Load Current Transient

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

75

mV

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

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

100

mV

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

Settling Time

500

µs

To within 1% Vout nom

Turn-On Transient

Turn-On Time

11

15

ms

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

Start-Up Inhibit Time

180

200

240

ms

-40°C to +125°C; Figure F

Output Voltage Overshoot

0

%

40,000 µF load capacitance, Iout = 0A

EFFICIENCY

100% Load

86

%

Figures 1 - 4

50% Load

87

%

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

470

pF

PQ60018EGL20 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.