PQ60280FTA26 Datasheet, PDF (4/14 Pages) SynQor Worldwide Headquarters – Full-brick DC/DC Converter

Technical Specification
Input: 36-75 V
Output: 28 V
Current: 26 A
Package: Full-brick
PQ60280FTA26 ELECTRICAL CHARACTERISTICS
T_A=25°C, airflow rate=300 LFM, V_in=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
Input Reflected Ripple Current
Input Terminal Ripple Current
Recommended Input Fuse
Input Filter Component Values (L\C)
Recommended External Input Capacitance
Recommended External Input Capacitor ESR1
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
Back-Drive Current-Limit While Enabled
Back-Drive Current-Limit While Disabled
Current Share Accuracy (2 units paralleled)
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 (5A/µs)
Settling Time
Turn-On Transient
Turn-On Time
Startup Delay:
First Startup Delay:
Restart Inhibit Delay:
Output Voltage Overshoot
EFFICIENCY
100% Load
50% Load
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
Board Temperature
Transformer Temperature
Maximum Baseplate Temperature²
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
Isolation Resistance
Isolation Capacitance³
Min.
Typ.
Max. Units Notes & Conditions
-40
-55
-2
36
31.5
29.5
0.04
27.75
27.50
0
28.0
1.50
0.14
25
100
80
100
2250
100
125
18
V Continuous
V Continuous
V 100ms transient
V Basic insulation level, Pollution degree 2
°C
°C
V
48
75
V
33.3
31.0
2.3
220
42
3
0.2 \ 8.0
200
0.20
34.7
32.4
22.0
250
65
0.1
60
30
1.00
V
V
V
A
mA
mA
A²s
mA
A
A
µH\µF
µF
W
100% Load, 36 Vin
RMS thru 4.7µH inductor; Figures 11 & 13
RMS; Figures 11 & 12
Fast blow external fuse recommended
Internal values
Typical ESR 0.2W, see Figure 11
100kHz, -40ºC to 100ºC
28.00
28.25
V
+0.05 _{\ 28} +0.10 _{\ 28}
+0.1 _{\ 28} +0.2 _{\ 56}
+45
+90
28.50
%\mV
%\mV
mV
V
180
250
mV
40
50
mV
26
A
30.2
32.0
A
3.40
5.00
A
0.30
0.45
A
2.5
A
4,000
µF
Over sample, line, load, temperature & life
20MHz bandwidth; Figures 11 & 14
Full Load; see Figures 11 & 14
Full Load; see Figures 11 & 14
Subject to thermal derating; Figures 5 - 6
Output Voltage 10% Low; Figure 22
Negative current drawn from output
Negative current drawn from output
28Vout at 26A Resistive Load
30
dB 120 Hz; Figure 18
1500
800
150
mV 50-75-50% Iout max; 47µF cap; Figure 9
mV 50-75-50% Iout max; 47µF cap; Figure 10
µs To within 1% Vout nom
30
35
ms Full load, Vout=90% nom.; Figures 7 & 8
2
ms
200
ms
320
ms
0
% 4,000 µF load capacitance, Iout = 26A resistive load
95
% Figures 1 - 4 (Figure 21 for baseplated)
96
% Figures 1 - 4 (Figure 21 for baseplated)
125
°C Package rated to 150°C
125
°C UL rated max operating temp 130°C
125
°C See Figures 5 - 6 for derating curve
100
°C Applies to baseplated units only
2250
V
30
MW
3300
pF
Note 1: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: [e-mail])
Note 2: There is no derating with a baseplate temperature of 100ºC or lower.
Note 3: Higher values of isolation capacitance can be added external to the module.
Product # PQ60280FTA26
Phone [phone]
www.synqor.com
Doc.# 005-2FT628P Rev. C
5/21/08
Page 4