Product # PQ60120SMx04

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-0005169 Rev. D

11/13/15

Page 4

Technical Specification

Input:

Output:

Current:

48V

12V

4A

PQ60120SML04 ELECTRICAL CHARACTERISTICS

Ta = 25 °C, airflow rate = 300 LFM, Vin = 48V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C ambient temperature

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

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

Isolation Voltage

Input to Output

2250

V dc

Input to output

Operating Temperature

-40

100

°C

Storage Temperature

-45

125

°C

Voltage at ON/OFF input pin

-2

8

V

INPUT CHARACTERISTICS

Operating Input Voltage Range

35

48

75

V

Input Under-Voltage Lockout

Turn-On Voltage Threshold

31.2

32.5

33.8

V

Turn-Off Voltage Threshold

28.9

30.5

32.2

V

Lockout Voltage Hysteresis

2.0

V

Maximum Input Current

1.7

A

100% Load, Vin min, nominal Vout

No-Load Input Current

0

60

80

mA

Disabled Input Current

10

14

mA

Response to Input Transient

90

mV

1000V/ms input transient

Input Reflected Ripple Current

3

mA

RMS thru 10μH inductor; Figures 13 & 15

Input Terminal Ripple Current

45

mA

RMS; Figures 13 & 14

Recommended Input Fuse

20

A

Recommended External Input Capacitance

100

µF

Typical ESR 0.1-0.2 Ω

Input Filter Component Values (L\C)

1.0/2.35

µH/µF Internal values; see Figure E

OUTPUT CHARACTERISTICS

Output Voltage Set Point

11.88

12

12.12

V

Output Voltage Regulation

Over Line

±0.1/12

+0.30/36

%mV

Over Load

±0.1/12

+0.3/36

%mV

Over Temperature

-180

180

mV

Total Output Voltage Range

11.700

12.300

V

Over sample, line, load, temperature & life

Output Voltage Ripple and Noise

20 MHz bandwidth; Figures 13 & 16; see Note 1

Peak-to-Peak

50

100

mV

Full load

RMS

10

20

mV

Full load

Operating Output Current Range

0

4

A

Subject to thermal derating; Figures 5 - 8

Output DC Current-Limit Inception

4.4

4.9

5.2

A

Figure 17

Back-Drive Current Limit while Enabled

2.5

A

Negative current drawn from output

Back-Drive Current Limit while Disabled

2

mA

Negative current drawn from output

Maximum Output Capacitance Ceramic

1.2

mF

Vout nominal at full load (resistive load); See Note 2

EFFICIENCY

100% Load

87

%

See Figure 1 for efficiency curve

50% Load

85

%

See Figure 1 for efficiency curve

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

Note 2: Recommended minimum output capacitance is 100uF