Product # PQ60120EKx04
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005190 Rev. A
07/13/09
Page 4
Input:
Output:
Current:
Part No.:
35-75V
12V
4A
PQ60120EKx04
Technical Specification
PQ60120EKA04 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 baseplate
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
35
75
V
Continuous
Operating Transient Protection
100
V
100ms transient,square wave
Isolation Voltage
Input to Output
2000
V dc
Basic Insulation
Operating Temperature
-40
100
°C
Storage Temperature
-55
125
°C
Voltage at ON/OFF input pin
0
13.5
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
35
48
75
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
33.0
34.0
35.0
V
Turn-Off Voltage Threshold
31.5
32.3
33.5
V
See Note 1
Lockout Voltage Hysteresis
1.2
1.7
2.2
V
Maximum Input Current
1.7
A
100% Load, 35V Vin, nominal Vout
No-Load Input Current
78
mA
Disabled Input Current
7.4
mA
Inrush Current Transient Rating
0.004
A2s
Response to Input Transient
110
mV
1000V/ms input transient
Input Reflected Ripple Current
1.8
mA
RMS thru 10μH inductor; Figures 13 & 15
Input Terminal Ripple Current
65
mA
RMS; Figures 13 & 14
Recommended Input Fuse
20
A
Fast acting external fuse recommended
Recommended External Input Capacitance
47
F
Typical ESR 0.1-0.2 Ω; Figure 13
Input Filter Component Values (L\C)
1/2.35
H/F 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
%/mV
Over Load
±0.15/18
%/mV
Over Temperature
±30
mV
Total Output Voltage Range
11.8
12.0
12.2
V
Over sample, line, load, temperature & life
Output Voltage Ripple and Noise
20 MHz bandwidth; see Note 2
Peak-to-Peak
28
mV
Full load; see Figure 13 & 16
RMS
9
mV
Full load; see Figure 13 & 16
Operating Output Current Range
0.0
4.0
A
Subject to thermal derating; Figures 5 - 8
Output DC Current-Limit Inception
4.4
5.1
A
nominal Vout
Output DC Current-Limit Shutdown Voltage
11
V
Back-Drive Current Limit while Enabled
4.2
A
Negative current drawn from output
Back-Drive Current Limit while Disabled
5
mA
Negative current drawn from output
Maximum Output Capacitance Electrolytic
1
mF
Nominal Vout at half load (resistive load)
EFFICIENCY
100% Load
87
%
Figures 1 - 4
50% Load
84
%
Figures 1 - 4