參數(shù)資料
型號(hào): SQE48T20120-PDB0G
廠商: POWER-ONE INC
元件分類(lèi): 電源模塊
英文描述: 1-OUTPUT 240 W DC-DC REG PWR SUPPLY MODULE
封裝: ROHS COMPLIANT, ONE-EIGHTH BRICK PACKAGE-5
文件頁(yè)數(shù): 7/13頁(yè)
文件大?。?/td> 434K
代理商: SQE48T20120-PDB0G
MCD10157 Rev. 1.0, 12-May-10
www.power-one.com
Page 3 of 13
SQE48T20120 DC-DC Converter
36-75 VDC Input; 12 VDC @ 20 A Output
Preliminary Data Sheet
Electrical Specifications (continued)
Conditions: TA = 25 C, Airflow = 300 LFM (1.5 m/s), Vin = 48 VDC, Cin=100 F, unless otherwise specified.
Parameter
Notes
Min
Typ
Max
Units
Input Characteristics
Operating Input Voltage Range
36
48
75
VDC
Input Undervoltage Lockout
Turn-on Threshold
33
34.5
35.5
VDC
Turn-off Threshold
31
33
34.5
VDC
Lockout Hysteresis Voltage
1.0
2.0
VDC
Maximum Input Current
Po = 240W @ 36VDC In
7.1
ADC
Input Standby Current
Vin = 48V, converter disabled
14
20
mA
Input No Load Current (No load on the output)
Vin = 48V, converter enabled
100
250
mA
Input Reflected-Ripple Current,
ic
Vin = 48V, 25 MHz bandwidth,
Po=240W (Fig. 10)
400
550
mAPK-PK
130
250
mARMS
Input Reflected-Ripple Current,
iS
25
50
mAPK-PK
10
20
mARMS
Input Voltage Ripple Rejection
120 Hz
45
dB
Output Characteristics
Output Voltage Setpoint
VIN=48V, IOUT=0Amps, TA=25°C
11.76
12.00
12.24
VDC
Output Regulation
Over Line
IOUT=20Amps, TA=25°C
±12
±24
mV
Over Load
VIN=48V, , TA=25°C
±6
±12
mV
Output Voltage Range
Over line, load and temperature
11.64
12.36
VDC
Output Ripple and Noise – 25 MHz bandwidth
IOUT=20Amps,
CEXT =10 F tantalum + 1 F ceramic
50
100
mVPK-PK
25
50
VRMS
Admissible External Load Capacitance
IOUT=20Amps (resistive)
CEXT
ESR
0
1
10,000
F
mOhm
Output Current Range
0
20
ADC
Current Limit Inception
Non-latching
20.5
25
28
ADC
RMS Short-Circuit Current
Non-latching Short = 10 m
10
12.5
ARMS
Dynamic Response
Load Change 50%-75%-50% of IOUT Max
(di/dt = 0.1 A/μs)
CEXT = 10F tantalum + 1F ceramic
75
140
mV
Settling Time to 1% of VOUT
30
50
s
Efficiency
@ 100% Load
48VIN, TA=25°C, 300LFM
94.5
%
@ 50% Load
95
%
Additional Notes:
1
See “Input Output Impedance”, Page 4.
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