Input:

Input:

Output:

Output:

Current:

Current:

ackage:

35-75 V

35-75 V

12 V

12 V

4 A

4 A

Eighth-brick

Eighth-brick

T

pecification

Product # PQ60120EML04

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-2EM612E Rev. C

04/25/06

Page 3

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

1.9

A

100% Load, 35 Vin

No-Load Input Current

28

50

mA

Disabled Input Current

2.5

5.0

mA

Inrush Current Transient Rating

0.01

Response to Input Transient

200

mV

150V/ms input transient

Input Reflected Ripple Current

7

mA

RMS thru 10µH inductor; Figures 13 & 15

Input Terminal Ripple Current

175

mA

RMS; Figures 13 & 14

Recommended Input Fuse

20

A

Fast blow external fuse recommended

Input Filter Component Values (C\L)

1.0\4.7

µF\µH

Internal values; see Figure E

Recommended External Input Capacitance

47

µF

Typical ESR 0.1-0.2

Ω; see Figure 13

OUTPUT CHARACTERISTICS

Output Voltage Set Point

11.85

12.000

12.15

V

Output Voltage Regulation

Over Line

+0.01 \ 1 +0.05 \ 6

%\mV

Over Load

+0.01 \ 1 +0.05 \ 6

%\mV

Over Temperature

+24

+100

mV

Total Output Voltage Range

11.75

12.25

V

Over sample, line, load, temperature & life

20MHz bandwidth; Figures 13 & 16

Peak-to-Peak

75

100

mV

Full Load; Figures 13 & 16

RMS

15

20

mV

Full Load; Figures 13 & 16

Operating Output Current Range

0

4.2

A

Subject to thermal derating; Figures 5 - 8

Output DC Current-Limit Inception

4.5

5.0

5.5

A

Output Voltage 10% Low; Figure 17

Output DC Current-Limit Shutdown Voltage

7.0

V

Back-Drive Current Limit while Enabled

0.10

0.24

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

10

50

mA

Negative current drawn from output

Maximum Output Capacitance

1,000

µF

12Vout at 4.2A Resistive Load

DYNAMIC CHARACTERISTICS

Input Voltage Ripple Rejection

60

dB

120 Hz; Figure 20

Output Voltage during Load Current Transient

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

250

mV

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

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

250

mV

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

Settling Time

800

µs

To within 1% Vout nom

Turn-On Transient

Turn-On Time

5

10

ms

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

Start-Up Inhibit Time

180

230

250

ms

-40°C to +125°C; Figure F

Output Voltage Overshoot

0

%

1,000 µF load capacitance, Iout = 0A

EFFICIENCY

100% Load

90

%

Figures 1 - 4

50% Load

89.5

%

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

470

pF

PQ60120EML04 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.