參數(shù)資料
型號(hào): PQ48025QNA25PYS
廠商: SYNQOR INC
元件分類: 電源模塊
英文描述: 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
文件頁(yè)數(shù): 7/13頁(yè)
文件大小: 722K
代理商: PQ48025QNA25PYS
Product # PQ48025QNA25
Phone 1-888-567-9596
Doc.# 005-2QN425D_B
9/5/01
Page 3
Technical Specification
48Vin 2.5Vout 25A
Quarter
Brick
PARAMETER
NOTES and CONDITIONS
PQ48025QNA25
Min.
Typ.
Max.
Units
INPUT CHARACTERISTICS
Operating Input Voltage Range
35
48
75
V
Input Under-Voltage Lockout
Turn-On Voltage Threshold
32
33
34
V
Turn-Off Voltage Threshold
28.5
29.5
30.5
V
Lockout Hysteresis Voltage
2.5
3.5
4.5
V
Maximum Input Current
100% Load, 35Vin
2.0
A
No-Load Input Current
45
60
mA
Off Converter Input Current
1.6
3
mA
Inrush Current Transient Rating
.01
A2s
Input Reflected-Ripple Current
P-P thru 10H inductor; Figures 13 & 15
4
mA
OUTPUT CHARACTERISTICS
Output Voltage Set Point
2.475
2.500
2.525
V
Output Voltage Regulation
Over Load
+2
+5mV
Over Line
+2
+5mV
Over Temperature
+13
+38
mV
Total Output Voltage Range
over sample load, line and temperature
2.43
2.57
V
Output Voltage Ripple and Noise
20MHz bandwidth; Figures 13 & 16
Peak-to-Peak
Full Load, 1F ceramic, 10F tantalum
50
100
mV
RMS
Full Load, 1F ceramic, 10F tantalum
10
20
mV
Operating Output Current Range
025
A
Output DC Current-Limit Inception
Output Voltage 10% Low; Figure 17
26
30
34
A
Short-Circuit Protection (redundant shutdown)
52
56
60
A
DYNAMIC CHARACTERISTICS
Input Voltage Ripple Rejection
120 Hz; Figure 20
78
dB
Output Voltage Current Transient
470F load cap, 5A/s; Figure 12
Positive Step Change in Output Current
50% Io to 75% Io
100
mV
Negative Step Change in Output Current
75% Io to 50% Io
190
mV
Settling Time to 1%
500
s
Turn-On Transient
Turn-On Time
Figures 9 & 10
4
8
ms
Start-Up Inhibit Period
-40°C to +125°C; Figure F
180
200
215
ms
Maximum Output Capacitance
Full load; 5% overshoot of Vout at startup
25,000
F
EFFICIENCY
100% Load
Figure 1
86.0
%
50% Load
88.0
%
TEMPERATURE LIMITS FOR POWER DERATING CURVES
Semiconductor Junction Temperature
Package rated to 150°C
125
°C
Board Temperature
Board rated to 165°C
125
°C
Transformer Temperature
Figures 5 & 7
125
°C
ISOLATION CHARACTERISTICS
Isolation Voltage
2000
V
Isolation Resistance
10
M
Isolation Capacitance
470
pF
FEATURE CHARACTERISTICS
Switching Frequency
190
210
230
kHz
ON/OFF Control (Option P)
Off-State Voltage
-2
0.8
V
On-State Voltage
2.4
18
V
ON/OFF Control (Option N)
Off-State Voltage
2.4
18
V
On-State Voltage
-2
0.8
V
ON/OFF Control (Either Option)
Pull-Up Voltage
See circuit diagram; Figure E
Vin/6.5
9.2
V
Pull-Up Resistance
Pull up to Vin/6
40
k
Output Voltage Trim Range
Across Pins 8 & 4; Figures B & C
-20
+10
%
Output Voltage Remote Sense Range
Across Pins 7 & 5
+10
%
Output Over-Voltage Protection
Over full temp range; % of nominal Vout
117
122
127
%
Over-Temperature Shutdown
Average PCB Temperature
125
°C
PQ48025QNA25 ELECTRICAL CHARACTERISTICS
(TA=25°C, airflow rate=300 LFM, Vin=48Vdc unless otherwise noted; full operating temperature range is -40°C to +115°C ambient
temperature with appropriate power derating.)
Specifications subject to change without notice.
相關(guān)PDF資料
PDF描述
PQ48025QNA25PNS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PQ48025QNA25NYS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PQ48033HGA40PNS-G 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PQ48033HTA38NNS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
PQ48033HTA38PYS 1-OUTPUT DC-DC REG PWR SUPPLY MODULE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PQ48033HGA40NNS 制造商:SynQor 功能描述:
PQ48033HKA20 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter
PQ48033HKA20NKF 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter
PQ48033HKA20NKS 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter
PQ48033HKA20NNF 制造商:SYNQOR 制造商全稱:SYNQOR 功能描述:20 Amp, No Heatsink, Isolated DC/DC Converter