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参数资料
| 型号： | BQ50120QTA20NRS-G |
| 厂商： | SYNQOR INC |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 240 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT, QUARTER BRICK PACKAGE-5 |
| 文件页数： | 6/12页 |
| 文件大小： | 5072K |
| 代理商： | BQ50120QTA20NRS-G |
Product # BQ50120QTA20
Phone 1-888-567-9596
Doc.# 005-2BQ512J Rev. F
03/26/10
Page 3
Input:
Output:
Current:
PPackage:
ackage:
42-53 V
12 V
20 A
Quarter-brick
T
Technical S
echnical Specification
pecification
Parameter
Min.
Typ.
Max.
Units
Notes & Conditions
ABSOLUTE MAXIMUM RATINGS
Input Voltage
Non-Operating
60
V
Continuous
Operating
56
V
Continuous
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
12
V
INPUT CHARACTERISTICS
Operating Input Voltage Range
42
48
53
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
39.5
V
Turn-Off Voltage Threshold
38.0
V
Lockout Voltage Hysteresis
1.5
V
Input Over-Voltage Shutdown
Turn-Off Voltage Threshold
55.0
V
Vin when unit will shut down
Turn-On Voltage Threshold
54.0
V
Vin when unit turns on after shutdown event
Maximum Input Current
6.3
A
100% Load, 42 Vin
No-Load Input Current
0.17
A
Disabled Input Current
7.5
15
mA
Inrush Current Transient Rating
0.01
A2sI2T rating of external fuse should be higher
Input Reflected-Ripple Current
5
mA
Input Terminal-Ripple Current
75
100
mA
Recommended Input Fuse1
12
A
Fast blow external fuse recommended
Input Filter Component Values (C\L\C)
1\1.5\2
F\H\F Internal values
Recommended External Input Capacitance
47
F
Typical ESR 0.1-0.2W; see Figure 12
OUTPUT CHARACTERISTICS
Output Voltage Set Point
12.00
V
48Vin, no load
Output Voltage Regulation
Over Line
+10 \ 1.2
%\V
Figure 4
Over Load
+4.1 \ 500
%\mV
Figure 4
Over Temperature
+1.7 \ 200
%\mV
Figure 4
Total Output Voltage Range
9.7
13.3
V
Over sample, line, load, temperature & life
Output Voltage Ripple and Noise2
Peak-to-Peak
30
60
mV
RMS
15
20
mV
Operating Output Current Range
0
20
A
Subject to thermal derating; Figures 5 - 8
Output DC Current-Limit Inception
24.8
A
Output Voltage 10% Low; Figure 16
Output DC Current-Limit Shutdown Voltage
8
V
Current Share Accuracy (2 units paralleled)
+10
%
% of rated output current
Back-Drive Current Limit while Disabled
10
mA
Negative current drawn from output
Maximum Output Capacitance
3,000
F
12Vout at 20A Resistive Load
DYNAMIC CHARACTERISTICS
Output Voltage during Load Current Transient
For a Step Change in Output Current (0.1A/s)
200
mV
50% to 75% to 50% Iout max; Figure 11
Settling Time
100
s
To within 1% Vout nom
Turn-On Transient
Turn-On Time
2.5
ms
Start-Up Inhibit Time
2
ms
-40°C to +125°C; Figure E
Output Voltage Overshoot
5
%
5,000 F load capacitance, Iout = 0A
EFFICIENCY
100% Load
96.5
%
Figure 1
50% Load
96.3
%
Figure 1
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)3
2000
V
Isolation Resistance
30
MW
Isolation Capacitance4
470
pF
BQ50120QTA20 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 tem-
perature with appropriate power derating. Specifications subject to change without notice.
Note 1: UL's product certification tests were carried out using 20A fast blow fuse. Fuse interruption characteristics have to be taken into account while
designing input traces. User should ensure that Input trace is capable of withstanding fault currents until fuse blows.
Note 2: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com)
Note 3: For modules with isolation voltage rating of 2250V, order the Feature Set option C. See last page for ordering details.
Note 4: Higher values of isolation capacitance can be added external to the module.
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