English
Language : 

PQ60033QPA45 Datasheet, PDF (3/14 Pages) SynQor Worldwide Headquarters – Quarter-brick DC/DC Converter
Technical Specification
Input: 35-75 V
Output: 3.3 V
Current: 45 A
Package: Quarter-brick
PQ60033QPA45 ELECTRICAL CHARACTERISTICS
TA=25°C, airflow rate=300 LFM, Vin=48Vdc 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
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
Operating
Operating Transient Protection
Isolation Voltage (input to output)
Operating Temperature
Storage Temperature
Voltage at ON/OFF input pin
INPUT CHARACTERISTICS
Operating Input Voltage Range
Input Under-Voltage Lockout
Turn-On Voltage Threshold
Turn-Off Voltage Threshold
Lockout Voltage Hysteresis
Maximum Input Current
No-Load Input Current
Disabled Input Current
Inrush Current Transient Rating
Response to Input Transient
Input Reflected Ripple Current
Input Terminal Ripple Current
Recommended Input Fuse
Input Filter Component Values (L\C)
Recommended External Input Capacitance
OUTPUT CHARACTERISTICS
Output Voltage Set Point
Output Voltage Regulation
Over Line
Over Load
Over Temperature
Total Output Voltage Range
Output Voltage Ripple and Noise1
Peak-to-Peak
RMS
Operating Output Current Range
Output DC Current-Limit Inception
Output DC Current-Limit Shutdown Voltage
Back-Drive Current Limit while Enabled
Back-Drive Current Limit while Disabled
Maximum Output Capacitance
DYNAMIC CHARACTERISTICS
Input Voltage Ripple Rejection
Output Voltage during Load Current Transient
For a Step Change in Output Current (0.1A/µs)
For a Step Change in Output Current (1A/µs)
Settling Time
Turn-On Transient
Turn-On Time
Start-Up Inhibit Time
Output Voltage Overshoot
EFFICIENCY
100% Load
50% Load
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
Board Temperature
Transformer Temperature
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Isolation Resistance
Isolation Capacitance2
Min.
-40
-55
-2
35
32
28.5
2.5
3.267
3.207
0
46.5
0.5
0
180
Typ. Max. Units Notes & Conditions
100
80
100
2000
100
125
18
V Continuous
V Continuous
V 100ms transient, square wave
V Basic insulation, Pollution Degree 2
°C
°C
V
48
75
V
33
29.5
3.5
60
1.6
150
15
125
3.3\6.6
47
34
30.5
4.5
5.0
100
3
0.01
20
V
V
V
A
mA
mA
A2s
mV
mA
mA
A
µH\µF
µF
100% Load, 35 Vin
1000V/ms input transient
Pk-Pk thru 10µH inductor; Figures 17 & 19
RMS; Figures 17 & 18
Fast blow external fuse recommended
Internal values; Figure E
Typical ESR 0.1-0.2W; Figure 17
3.300
3.333
+0.05 \ 2
+0.05 \ 2
+17
+0.15 \ 5
+0.15 \ 5
+50
3.393
50
100
10
20
45
51
55
1.5
1.6
3.0
10
50
40,800
V
%\mV
%\mV
mV
V
mV
mV
A
A
V
A
mA
µF
Over sample, line, load, temperature & life
500MHz bandwidth; Figures 17 & 20
Full Load; Figures 17 & 20
Full Load; Figures 17 & 20
Subject to thermal derating; Figures 5 - 12
Output Voltage 10% Low
Negative current drawn from output
Negative current drawn from output
3.3Vout at 45A Resistive Load
65
dB 120 Hz; Figure 24
100
mV 50% to 75% to 50% Iout max; Figure 15
220
mV 50% to 75% to 50% Iout max; Figure 16
300
µs To within 1% Vout nom
4
8
ms Full load, Vout=90% nom.; Figures 13 & 14
220
240
ms -40°C to +125°C; Figure F
0
% 40,000 µF load capacitance, Iout = 0A
90
90.5
% Figures 1 - 4
% Figures 1 - 4
125
°C Package rated to 150°C
125
°C UL rated max operating temp 130°C
125
°C See Figures 5 - 12 for derating curves
2000
V
30
MW
470
pF
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.
Product # PQ60033QPA45
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2QP633F Rev. C
9/21/07
Page 3