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Электронный компонент: ALD12A48N-6

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North America (USA): 1-888-41-ASTEC
Europe (UK): 44 (1384) 842-211Asia (HK): 852-2437-9662
1
Special Features
Electrical Specs
Special Features
25 Amps
High Efficiency
-40C to +85C Ambient Air Operation
1.30" x 0.9" x 0.35" TH or SMT package
High capacitive load limit on start-up
Industry standard feature sets: UVLO, OVP,
OCP, OTP, On/Off Enable, Remote Sense,
Output Trim
Basic Insulation
Regulation to zero load
Fixed frequency switching
EU Directive 2002/95/EC compliant for RoHS
Input
Input Range
36 to 75 VDC
Input Surge
100V /100ms
Efficiency
88%@1.8V (Typical)
Output
Line Regulation
0.1%V
O
Load Regulation
0.1%V
O
Noise/Ripple
1
35mV Typ
Remote sense
Up to 10% of Vo
Transient Response
3%Vo (typ) deviation
50% to 75% Load change
80s settling time (typ)
Overvoltage Protection
125% V
O
typ (autorecovery)
Over Current protection
115% I
O
typ (autorecovery)
Over Temperature
115C average PCB temperature
Protection
(autorecovery)
Switching Frequency
Fixed Frequency
Isolation Voltage
1500 Vdc
Control
Voltage Adjust
90 to 110% Vo
Enable
TTL compatible
(Positive or Negative enable options)
Ambient air operating temperature range:
-40C to +85C
Storage temperature: -40C to +125C
Overtemperature protection: 115C PCB
temperature (Typical)
MTBF: > 1 million hours
UL,cUL 60950-1
TUV EN60950-1
Environmental
Total Power:
60W
Input Voltages:
48
No. of Outputs:
Single
Safety
Astec Industry S
t
andard
ALD25
PIN SIDE DOW N
0.35
[8.8]
1.30
[33.0]
0.04 [1.0](6X)
0.22
[5.5]
0.90
[22.9]
0.03
[0.8]
0.19
[4.8]
0.062 [1.57] (2
EUROPE
Astec House, Waterfront Business Park
Merry Hill, Dudley
West Midlands, DY5 1LX, UK
Telephone: 44 (1384) 842-211
Facsimile: 44 (1384) 843-355
AMERICAS
5810 Van Allen Way
Carlsbad, CA 92008
Telephone: 760-930-4600
Facsimile: 760-930-0698
2
Ordering Information
www.astecpower.com
ASIA
Units 2111-2116, Level 21
Tower1, Metroplaza
223, Hing Fong Road
Fwai Fong, New Territories
Hong Kong
Telephone: 852-2437-9662
Facsimile: 852-2402-4426
Input
Output
Output
Efficiency
2
Model Number
Voltage
Voltage
Current
36V to 75V
5.0V
12A
91% Typ
ALD12A48(N) - (6)(S)(L)
36V to 75V
3.3V
18A
90% Typ
ALD18F48(N) - (6)(S)(L)
36V to 75V
2.5V
20A
89% Typ
ALD20G48(N)- (6)(S)(L)
36V to 75V
1.8V
25A
88% Typ
ALD25Y48(N) - (6)(S)(L)
36V to 75V
1.5V
25A
85% Typ
ALD25M48(N)- (6)(S)(L)
36V to 75V
1.2V
25A
83% Typ
ALD25K48(N) - (6)(S)(L)
NOTES:
Efficiency values taken at nominal input full load condition, 25
o
C ambient temperature.
OPTIONS
(N) :
"N" =
designates Negatve Logic Enable (default is Positive Enable with no suffix "N" required)
(6)
:
"-6" =
3.7mm nominal pin length (default is 5mm nominal pin length with no suffix "-6" required)
(S) :
"-S" =
Surface Mount Termination (default is thru hole termination with no sufix "-S required)
(L) :
"L" = RoHS compliant (RoHS 6) / "Blank" - RoHS compliant with Lead (PB) in solder exemption (RoHS 5)
Pin Assignments
ALD25
Single Output
1.
+ Vin
2.
Enable
3.
- Vin
4.
- Vout
5.
- Sense
6.
Trim
7.
+ Sense
8.
+Vout
Notes:
1. Measured at 20MHz bandwidth with external 10
F
tant. capacitor in parallel with 0.1
F ceramic
capacitor placed across +Vout and -Vout; 33
F e-cap
or equivalent placed across +Vin and -Vin.
2. Efficiency measurements taken at full load, nominal
line and T
A
= 25 C.
3. All specifications are typical at nominal line, full load
and T
A
= 25 C unless otherwise noted.
4. Mechanical drawings are for reference only.
Dimensions are in inches [millimeters]. Mechanical
tolerance: 0.002[0.5], recommended surface mount
pads:
= 0.11[2.79] 0.005 [0.13]; through hole pin
diameter (Pins 4 & 8)
= 0.062 [1.57], others =
0.04 [1.0] (6X).
5. Technical reference Notes should be consulted for
detailed information when available.
6. All specifications subject to change without notice.
7. Warranty 1 yr.
Astec Industry S
t
andard
Astec reserves the right to make changes to the information
contained herein without notice and assumes no liability as a
result of its use or application. (REV08: MARCH 05, 2006)
Pin 1
Pin 8
TH Termination
0.60
[15.2]
0.30
[7.6]
0.15
[3.8]
0.10
[2.5]
SIDE VIEW
PIN SIDE UP
0.60
[15.2]
0.45
[11.4]
0.30
[7.6]
0.15
[3.8]
0.15
[3.8]
1.10
[27.9]
0.10
[2.5]
PIN SIDE UP
SMT Termination
0.90 [22.9]
PIN SIDE DOW N
1.30 [33.0]
See A
PIN LENGTH
A
Std Pin Length: 0.189 [4.8] MIN
0.205 [5.2] MAX
"-6" Option:
0.137 [3.5] MIN
0.152 [3.9] MAX
0.06 [1.4]
0.30 [7.6]
0.30 [7.6]
0.10 [2.5]
0.15 [3.8]
0.60 [15.2]
0.45 [11.4]
0.15 [3.8]
0.30 [7.6]
0.15 [3.8]
1.10 [27.9]
PIN SIDE UP