參數(shù)資料
型號(hào)： PQ50050HPB50NNS-G
廠商： SYNQOR INC
元件分類(lèi)： 電源模塊
英文描述： 1-OUTPUT 250 W DC-DC REG PWR SUPPLY MODULE
封裝： ROHS COMPLIANT, HALF BRICK PACKAGE-8
文件頁(yè)數(shù)： 9/14頁(yè)
文件大?。?/td> 1549K
代理商： PQ50050HPB50NNS-G
Product # PQ50050HPB50
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-0005487 Rev. A
03/18/10
Page 4
Input:
Output:
Current:
Part No.:
PQ50050HPB50 Electrical Characteristics (continued)
Ta = 25 °C, airflow rate = 300 LFM, Vin = 48V dc unless otherwise noted; full operating temperature range is -40 °C to +70 °C baseplate temperature
with appropriate power derating. Specifications subject to change without notice.
Parameter
Min.
Typ.
Max. Units Notes & Conditions
Notes & Conditions
DYNAMIC CHARACTERISTICS
Input Voltage Ripple Rejection
60
dB
120 Hz; fig. 17
Output Voltage during Load Current Transient
Step Change in Output Current (0.1 A/s)
200
mV
50% to 75% to 50% Iout max; figure 9
Step Change in Output Current (5 A/s)
300
mV
50% to 75% to 50% Iout max; figure 10
Settling Time
100
s
To within 1% Vout nom
Turn-On Transient
Turn-On Time
22
30
ms
Full load, Vout=90% nom.; Figs. 7 & 8
Start-Up Inhibit Time
180
200
240
ms
-40oC to +125oC; Figure A
Output Voltage Overshoot
0
%
10,000 F load capacitance, Iout = 0A
ISOLATION CHARACTERISTICS
Isolation Voltage (dielectric strength)
2000
V
See Absolute Maximum Ratings
Isolation Resistance
30
MΩ
Isolation Capacitance (input to output)
3300
pF
See Note 2
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
Maximum Baseplate Temperature
100
°C
Applies to baseplated units only
FEATURE CHARACTERISTICS
Switching Frequency
198
220
242
kHz
Regulation and isolation stages
ON/OFF Control (Option P)
Off-State Voltage
-2
0.8
V
On-State voltage
2.7
18
V
ON/OFF Control (Option N)
Off-State Voltage
2.7
18
V
On-State voltage
-2
0.8
V
ON/OFF Control (either Option)
Figures A, B
Pull-Up Voltage
Vin/6
15
V
Pull-Up Resistance
42
k
Output Voltage Trim Range
-20
+10
%
Measured across Pins 9 & 5; Figure C
Output Voltage Remote Sense Range
+10
%
Measured across Pins 9 & 5
Output Over-Voltage Protection
115
120
125
%
Over full temp range; % of nominal Vout
Over-Temperature Shutdown OTP Trip Point
120
°C
Average PCB Temperature
Over-Temperature Shutdown Restart Hysteresis
10
°C
Load Current Scale Factor
1200
See App Note: Output Load Current Calc.
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia) TR-NWT-000332
2.13
106 Hrs. 75% load, 300LFM, 40 °C Ta
Calculated MTBF (MIL-217) MIL-HDBK-217F
1.3
106 Hrs. 75% load, 300LFM, 40 °C Ta
Field Demonstrated MTBF
106 Hrs. See our website for details
Note 1: For applications requiring reduced output voltage ripple and noise, consult SynQor application support e-mail: support@synqor.com
Note 2: Higher values of isolation capacitance can be added external to the module.
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