ALQ40F48 [ASTEC]
High Efficiency Quarter Brick, 50 Amps; 高效率1/4砖， 50安培
| 型号： | ALQ40F48 |
| 厂家： | 
Astec America, Inc |
| 描述： | High Efficiency Quarter Brick, 50 Amps |
| 文件： | 总2页 (文件大小：275K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Total Power:
Input Voltages:
No. of Outputs:
132W
48V
Single
50 Amps
ALQ50
High Efficiency Quarter Brick
Electrical Specs
Input
Input Range
Input Surge
Efficiency
36 to 75 VDC
100V /100ms
3.3V @ 91% (typical)
Output
Line / Load
Regulation
< 0.3% Vo (typical)
Output Current
up to 50A max
(3.3V at 40A max)
Noise/Ripple1
40mVPK-PK (typical)
Up to 10% of Vo
Remote sense
Special Features
Transient Response
100mV (typ) deviation
50% to 75% Load change
250µs (typ) recovery
•
Industry standard Quarter Brick package
1.48" x 2.30" x 0.38"
Openfrmae low profile construction
High capacitive load start-up
Overvoltage Protection
130% typ for Vo < 3.3V
125% typ for 3.3V
•
•
•
•
•
Over Current Protection 120% Iout typ (autorecovery)
Regulation to zero load
Over Temperature
Protection
115C average PCB temperature
(autorecovery)
Fixed frequency switching for EMI predictability
Industry Standard Features: Input UVLO with
hysteresis, Enable, OCP, OCP, OTP, Output
Voltage Trim, Differential Remote Sense
Meets Basic Insulation
Switching Frequency
480kHz
540kHz (2.5V output)
Isolation Voltage
1500Vdc
•
Control
Voltage Voltage Trim
±10% VO,NOM
Enable
Postive or Negative Logic options
Environmental
Operating Ambient Temperature: -40°C to +85°C
Storage Temperature: -40°C to +125°C
MTBF: > 1 million hours
Safety
UL, cUL 60950
TUV
EN60950
1
North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
EUROPE
ASIA
AMERICAS
Astec House, Waterfront Business Park
Merry Hill, Dudley
Units 2111-2116, Level 21
Tower1, Metroplaza
5810 Van Allen Way
Carlsbad, CA 92008
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: 760-930-4600
Facsimile: 760-930-0698
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
Ordering Information
Input
Output
Output
Efficiency2
Model Number
Voltage
Voltage
Current
36V to 75V
36V to 75V
36V to 75V
36V to 75V
3.3V
2.5V
1.8V
1.2V
40A
50A
50A
50A
91% Typ
90% Typ
89% Typ
86% Typ
ALQ40F48 (N)
ALQ50G48(N)
ALQ50Y48(N)
ALQ50K48(N)
OPTIONS:
(N)
:
"N" = designates Negative Logic Enable (default is Positive Enable with no suffix “N” required)
Pin Assignments
Single Output
1. +Vin
2. Enable (On/Off)
3. -Vin
4. -Vout
5. -Sense
6. Trim
2.30
[58.4]
0.36
[9.1]
[5.0]
[6.0]
0.20
0.24
MIN
MAX
[1.5Ø] 2 PLACES
0.06Ø
7. +Sense
8. +Vout
1
2
3
8
7
6
5
4
1.48
[37.6]
[1.0Ø] 6 PLACES
0.04Ø
Notes:
1. 20 MHz bandwidth. External 10 uF tant. capacitor in
parallel with 1 uF ceramic capacitor placed across
the output and secondary return ground.
SIDE VIEW
PIN SIDE DOWN
2. Efficiency measurements are typical values taken at
full load, nominal line and T = 25°C.
A
3. All specifications are typical at nominal line, full load
2.00
[50.8]
and T = 25°C unless otherwise noted.
A
0.15
[3.8]
4. All specifications subject to change without notice.
5. Mechanical drawings are for reference only.
Dimensions are in inches [millimeters]. Pin
placement tolerance ± 0.005 [0.127]. Mechanical
Tolerance ± 0.02 [0.5]. = 0.060” for Pins 4&8, the
rest are = 0.40”.
0.44
[11.2]
0.44
[11.2]
0.59
[15.0]
0.74
[18.9]
0.74
[18.8]
0.89
[22.7]
1.04
[26.4]
1.04
[26.5]
C
L
6. Technical Reference Notes should be consulted for
detailed information when available.
7. Warranty 1yr.
PIN SIDE UP
Astec reserves the right to make changes to the information
contained herein without notice and assumes no liability as a
result of its use and application. (REV 07: OCTOBER 19, 2004)
www.astecpower.com
2
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