AK45C-048L-050F20HA-6 [ASTEC]
36 Vdc to 75 Vdc Inputs, 100 W; 36 Vdc至75 VDC输入， 100瓦
| 型号： | AK45C-048L-050F20HA-6 |
| 厂家： | 
Astec America, Inc |
| 描述： | 36 Vdc to 75 Vdc Inputs, 100 W |
| 文件： | 总17页 (文件大小：118K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
REV
Description
Date
Approved
PR-B Preliminary Release
6/1/00
10/25/00
12/21/00
3/13/01
3/28/01
PR-C Revised Graph sizes (Prelim)
PR-D Update Outline Drawing
PR-E New P/N’s / Standoff locations
PR-F Revised Part Numbers
Added –M1 Option
KTF
KTF
PR-G Update Various Specifications
4-5-01
TECHNICAL REFERENCE
NOTED (TRN)
AK45C 100 WATT
SERIES
DC-DC CONVERTER
ASTEC POWER
ANDOVER, MA
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Electrical Specifications
Absolute Maximum Ratings
Stresses in excess of the absolute maximum ratings can cause permanent damage to the device.
These are absolute stress ratings only. Functional operation of the device in not implied at these
or any other conditions in excess of those given in the operational sections of the IPS. Exposure
to absolute maximum ratings for extended periods can adversely affect device reliability.
Table 1. Absolute Maximum Ratings
Parameter
Input Voltage:
Device
Symbol
Min
Typ
Max
Unit
Continuous:
All
All
All
All
All
All
VI
VI, trans
Tc
Tstg
-
0
0
-40
-55
-
-
-
-
-
-
-
75
100
100
125
95
Vdc
Vdc
ºC
ºC
%
Transient (100ms)
Operating Case Temperature
Storage Temperature
Operating Humidity
I/O Isolation
-
-
1500
Vdc
Input Specifications
Table 2. Input Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Operating Input Voltage
All
VI
36
48
75
Vdc
Maximum Input Current
(VI = 0 to VI,max : Io = Io,max)
018FHX
025FHX
033FHX
050FHX
All
II,max
II,max
II,max
II,max
II
-
-
-
-
-
-
-
-
-
-
2.00
2.50
3.00
4.00
10
A
A
A
A
Input Reflected-ripple Current
(5Hz to 20MHz: 12uH source
mAp-p
impedance: TA = 25 ºC.) See Figure 10.
mA RMS
Ripple Current into External
Input Cap
No Load Input Power
All
All
IIC
-
-
-
-
250
-
5
W
(VI = VI,nom
)
CAUTION: This power module is not internally fused. An input line fuse must always be used.
Output Specifications
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Table 3. Output Specifications
Parameter
Output Voltage Setpoint
(VI = VI,min to VI,max : Io = Io,max;
TA = 25 ºC )
Device
018FHX
025FHX
033FHX
050FHX
Symbol
Vo,set
Vo,set
Vo,set
Vo,set
Min
1.77
2.46
3.25
4.92
Typ
1.8
2.5
3.3
5.0
Max
1.83
2.54
3.35
5.08
Unit
Vdc
Vdc
Vdc
Vdc
Output Regulation:
Line (VI = VI,min to V
Load(Io = Io,min to Io,max)
)
018FHX
025FHX
-
-
-
-
2
2
4
5
mV
mV
I,max
033FHX
050FHX
Line (VI = VI,min to V
Load(Io = Io,min to Io,max)
)
-
-
-
-
0.05
0.1
0.1
0.2
%Vo
%Vo
I,max
Temperature (Tc = -40 ºC to +100 ºC)
All
All
-
-
-
-
-
-
15
-
-
50
100
30
mV
mVp-p
mVRMS
Output Ripple and Noise
(Across 0.1uF ceramic and 10uF
tantalum capacitors) See Figure 11.
External Load Capacitance
Output Current
All*
-
0
0
0
0
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
4700
20
20
20
20
30
30
30
30
uF
A
A
A
A
A
A
A
018FHX
025FHX
033FHX
050FHX
018FHX
025FHX
033FHX
050FHX
All
Io
Io
Io
Io
Io
Io
Io
Io
-
Output Current-limit Inception
(Vo = 90% Vo,set)
A
%Io,max
Output Short-circuit Current
(Vo = 250mV)
190
Efficiency
(V = VI,nom ; Io = Io,max; TC = 70ºC)
I
018FHX
025FHX
033FHX
050FHX
018FX
025FX
033FX
050FX
Io
Io
Io
Io
f
f
f
f
80
82
84
84
-
-
-
-
82
84
86
-
-
-
-
-
-
-
-
%
%
%
86
%
Switching Frequency
310
310
380
310
kHz
kHz
kHz
kHz
Dynamic Response:
(? Io/? t = 1A/10us; V = V
;
I
I,nom
TA = 25 ºC )
Load Change from Io = 50% to
75% of Io, max:
Peak Deviation
Settling Time
All
All
-
-
-
-
-
-
4
400
%Vo
usec
Load Change from Io = 50% to
25% of Io, max:
Peak Deviation
-
-
-
-
-
-
4
400
%Vo
usec
Settling Time
msec
%Vo
Turn-on Time
All
All
-
-
-
-
2
-
5
5
(Io = Io,max; Vo within 1%)
Output Voltage Overshoot
(Io = Io,max; TA = 25 ºC)
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
*External load capacitance greater than 4700uF but less than 10,000uF can be used except that
the maximum overshoot may exceed 5%.
Isolation Specifications
Table 4. Isolation Specifications
Parameter
Isolation Capacitance
Isolation Resistance
Device
All
Symbol
Min
-
-
Typ
2300
1000
Max
-
-
Unit
pF
Mohm
-
-
All
General Specifications
Table 5. General Specifications
Parameter
Calculated MTBF (Io = Io,max;
Tc = 25 ºC)
Device
Symbol
Min
-
Typ
TBD
Max
-
Unit
hours
All
-
60(2.2)
g (oz.)
Weight
All
-
-
-
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Feature Specifications
Table 6. Feature Specifications
Parameter
Device
Symbol
Min
Typ
Max
Unit
Remote On/Off Signal Interface:
(V = 0 to VI,max ; Open collector or
I
equivalent compatible; Signal
referenced to V (-) terminal.)
I
Positive Logic – No Suffix
Low Logic – Module Off
High Logic – Module On
Negative Logic –Suffix “N”
Low Logic – Module On
High Logic – Module Off
Module Specifications:
On/Off Current – Logic Low
On/Off Voltage:
All
Ion/off
-
-
1.0
mA
Logic Low
All
All
Von/off
Von/off
-0.7
-
-
-
1.2
10
V
V
Logic High (Ion/off = 0)
Open Collector Switch
Specifications:
Leakage Current – Logic High
(Von/off = 10V)
Output Voltage – Logic Low
(Ion/off = 1mA)
All
All
Ion/off
-
-
-
-
50
uA
V
Von/off
1.2
Output Voltage Adjustment
Remote Sense Range
Voltage Adjustment Range
Output Overvoltage Clamp
V
%Vo
All
All
-
-
-
80
-
-
-
-
-
-
0.5
110
2.7
3.5
4.6
7.0
120
018FHX Vo,clamp
025FHX Vo,clamp
033FHX Vo,clamp
050FHX Vo,clamp
2.4
3.1
3.9
5.9
105
V
V
V
V
ºC
Overtemperature Shutdown
Undervoltage Lockout
All
Tc
110
V
V
Turn-on Point
Turn-off Point
All
All
-
-
-
32
34.5
32.5
35
-
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
Characteristic Curves
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
AK45C-048L-050F20H
Input Characteristics (Worst Case)
Tc = 25 C, Iout = 20A
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
5
10 15 20 25 30 35 40 45 50 55 60 65 70 75
Vin (Volts)
Figure 1. Typical Input Current vs Input Voltage.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Characteristic Curves (Continued)
AK45C-048L-018F20H
Efficiency vs Output Current
Tc = 70 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
95%
90%
85%
80%
75%
70%
65%
60%
0.00
5.00
10.00
15.00
20.00
Output Current (Amps)
Figure 2. 018S, Efficiency vs Load Current.
AK45C-048L-025F20H
Efficiency vs Output Current
Tc = 70 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
95%
90%
85%
80%
75%
70%
65%
60%
0.00
5.00
10.00
15.00
20.00
Output Current (Amps)
Figure 3. 025S Efficiency vs Load Current.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Characteristic Curves (Continued)
AK45C-048L-033F20H
Efficiency vs Output Current
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
Tc = 70 Deg Celsius
95%
90%
85%
80%
75%
70%
65%
60%
0.00
5.00
10.00
15.00
20.00
Output Current (Amps)
Figure 4. 033S Efficiency vs Load Current.
AK45C-048L-050F20H
Efficiency vs Output Current
Tc = 70 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
95%
90%
85%
80%
75%
70%
65%
60%
0.00
5.00
10.00
15.00
20.00
Output Current (Amps)
Figure 5. 050S Efficiency vs Load Current.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Characteristic Curves (Continued)
Figure 6. Typical Output Voltage Startup
Vi = Vi,nom, Io = Io,max.
Figure 7. Typical Output Ripple
Vi = Vi,nom, Io = Io,max.
Figure 8. Typical Dynamic Response
Step Load Change from 50% to 75% Io,max
Figure 9. Typical Dynamic Response
Step Load Change from 50% to 25% Io,max
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Test Configurations
TO OSCILLOSCOPE
Vi(+)
Ltest
12 uH
Cs 220 uF
ESR < 0.1 OHM
@ 20 ºC, 100 kHz
33 uF
ESR < 0.7 OHM
@ 20 ºC, 100 kHz
BATTERY
Vi(-)
Note: Measure input reflected-ripple current with a simulated source inductance (Ltest) of 12 uH. Capacitor
Cs offsets possible battery impedance. Measure current as shown above.
Figure 10. Input Reflected-ripple Test Setup.
COPPER STRIP
Vo(+)
RESISTIVE
LOAD
0.1 uF
10 uF
SCOPE
Vo(-)
Note: Use a 0.1 uF ceramic capacitor and a 10 uF tantalum capacitor. Scope measurement should be made
using a BNC socket. Position the load between 51 mm and 76 mm (2 in. and 3 in.) from module.
Figure 11. Peak-to-Peak Output Noise Measurement Test Setup.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Feature Descriptions
Output Overvoltage Clamp
The output overvoltage clamp consists of a separate control loop, independent of the primary
control loop. This control loop has a higher voltage setpoint than the primary loop. In a fault
condition the converter goes into “Hiccup Mode”, and the output overvoltage clamp ensures that
the output voltage does not exceed Vo,clamp,max. This secondary control loop provides a
redundant voltage-control that reduces the risk of output overvoltage.
Output Current Protection
To provide protection in an output overload or short circuit condition, the converter is equipped
with current limiting circuitry and can endure the fault condition for an unlimited duration. At the
point of current-limit inception, the converter goes into “Hiccup Mode”, causing the output current
to be limited both in peak and duration. The converter operates normally once the output current
is brought back into its specified range.
Enable (Optional)
Two enable option are available. Positive Logic Enable, no suffix, and Negative Logic Enable,
suffix “N”. Positive Logic Enable turns the converter on during a logic-high voltage on the enable
pin, and off during a logic-low. Negative Logic Enable turns the converter of during a logic-high
and on during a logic-low.
Output Voltage Adjustment
Output voltage adjustment is accomplished by connecting an external resistor between the Vadj
Pin and either the +Vout or –Vout Pins.
With an external resistor between the Vadj Pin and -Sense Pin (Radj-down) the output voltage set
point (Vo,adj) decreases (see Figure 12). The following equation determines the required external
resistor value to obtain an adjusted output voltage:
510
.
10.2 kohm
Radj_down
%Vo,adj
Where Radj-down is the resistance value and %Vo,adj is the percent change in the output voltage.
With an external resistor between the Vadj Pin and +Sense Pin (Radj-up) the output voltage set
point (Vo,adj) increases (see Figure 13). The following equation determines the required external
resistor value to obtain an adjusted output voltage:
.
5.1Vo ( 100 %Vo, adj)
510
.
10.2 kohm
Radj_up
.
1.225%Vo, adj
%Vo, adj
Where Radj-up is the resistance value and %Vo,adj is the percent change in the output voltage.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
-Vin
-Vout
Case
-Sense
Vadj
Radj-down
Rload
Enable
+Vin
+Sense
+Vout
Figure 12. Circuit Configuration to Decrease Output Voltage.
-Vin
-Vout
Case
-Sense
Vadj
Rload
Radj-up
Enable
+Vin
+Sense
+Vout
Figure 13. Circuit Configuration to Increase Output Voltage.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
Thermal Considerations
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
The power converter operates in a variety of thermal environments: however, sufficient cooling
should be provided to help ensure reliable operation of the converter. Heat-dissipating
components are thermally coupled to the case. Heat is removed by conduction, convection, and
radiation to the surrounding environment. Proper cooling can be verified by measuring the case
temperature.
Heat Transfer Characteristics
Increasing airflow over the converter enhances the heat transfer via convection. Figure 14 shows
the maximum power that can be dissipated by the converter without exceeding the maximum
case temperature versus local ambient temperature (T ) for natural convection through 2.0 m/s
A
(400 ft/min).
Systems in which these converters are used generate airflow rates of 0.25 m/s (50 ft/min) due to
other heat dissipating components in the system. Therefore, the natural convection condition
represents airflow rates of approximately 0.25 m/s (50 ft/min). Use of Figure 14 is shown in the
following example.
Example
What is the minimum airflow required for an 033F20 operating at 48 V, an output current of 15 A,
and maximum ambient temperature of 50 ºC.
Solution:
Given: Vi = 48 V, Io = 15 A, TA = 50 ºC.
Determine PD (Figure 17): PD = ~8 W.
Determine minimum airflow (Figure 14): v = 1.0 m/s (200 ft/min)
2.0 m/s (400 ft/min)
AK45C SERIES
1.5 m/s (300 ft/min)
Power Derating Curve*
1.0 m/s (200 ft/min)
0.5 m/s (100 ft/min)
Nat. Conv.
20
18
16
14
12
10
8
6
4
2
0
25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Ambient Temperature (ºC)
Figure 14. Forced Convection Power Derating
* longitudinal airflow, transverse airflow is more efficient and extends
calculated maximum ambient by 5 °C
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Thermal Considerations (continued)
AK45C-048L-018F20H
Power Dissipation vs Output Current
Tc = 100 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
0.0
5.0
10.0
15.0
20.0
Output Current (Amps)
Figure 15. 018S Pwr. Diss. vs Load Current.
AK45C-048L-025F20H
Power Dissipation vs Output Current
Tc = 100 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
0.0
5.0
10.0
15.0
20.0
Output Current (Amps)
Figure 16. 025S Pwr. Diss. vs Load Current.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Thermal Considerations (continued)
AK45C-048L-033F20H
Power Dissipation vs Output Current
Tc = 100 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
0.0
5.0
10.0
15.0
20.0
Output Current (Amps)
Figure 17. 033S Pwr. Diss. vs Load Current.
AK45C-048L-050F20H
Power Dissipation vs Output Current
Tc = 100 Deg Celsius
Vin = 36 Vdc
Vin = 48 Vdc
Vin = 75 Vdc
20.00
18.00
16.00
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
Output Current (Amps)
Figure 18. 050S Pwr. Diss. Vs. Load Current
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Outline Drawing
Dimensions are in inches (millimeters)
Tolerances: x.xx ± 0.02 in (± 0.5mm)
x.xxx ± 0.010 in (± 0.25mm)
Pin Assignment
1. -Vin
2. No Pin
3. Enable (on/off)
4. No pin
5. +Vin
6. - Output
7. - Sense
8. Trim
9. + Sense
10. + Output
View From Pin Side
All pins are 0.040 diameter except pins 6 & 10 which are 0.060 diameter.
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ASTEC POWER - Andover
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Technical Reference Notes (TRN)
AK45C 100W Series
36 Vdc to 75 Vdc Inputs, 100 W
Table 8. Part Numbers
Model Designation
018FH
Part Number
AK45C-048L-018F20HA
SIS CODE
AK45C048HS018
AK45C048HS006
025FH
AK45C-048L-025F20HA
AK45C-048L-033F20HA
AK45C-048L-050F20HA
AK45C-048L-018F20HAN
AK45C-048L-025F20HAN
AK45C-048L-033F20HAN
AK45C-048L-050F20HAN
AK45C-048L-018F20HA-6
AK45C-048L-025F20HA-6
AK45C-048L-033F20HA-6
AK45C-048L-050F20HA-6
AK45C-048L-018F20HAN-6
AK45C-048L-025F20HAN-6
AK45C-048L-033F20HAN-6
AK45C-048L-050F20HAN-6
AK45C-048L-018F20HA-8
AK45C-048L-025F20HA-8
AK45C-048L-033F20HA-8
AK45C-048L-050F20HA-8
AK45C-048L-018F20HAN-8
AK45C-048L-025F20HAN-8
AK45C-048L-033F20HAN-8
AK45C-048L-050F20HAN-8
033FH
050FH
018FHN
025FHN
033FHN
050FHN
AK45C048HS002
AK45C048HS003
AK45C048HS018N
AK45C048HS006N
AK45C048HS002N
AK45C048HS003N
AK45C048HS018-6
AK45C048HS006-6
AK45C048HS002-6
AK45C048HS003-6
AK45C048HS018N-6
AK45C048HS006N-6
AK45C048HS002N-6
AK45C048HS003N-6
AK45C048HS018-8
AK45C048HS006-8
AK45C048HS002-8
AK45C048HS003-8
AK45C048HS018N-8
AK45C048HS006N-8
AK45C048HS002N-8
AK45C048HS003N-8
018FH-6
025FH-6
033FH-6
050FH-6
018FHN-6
025FHN-6
033FHN-6
050FHN-6
018FH-8
025FH-8
033FH-8
050FH-8
018FHN-8
025FHN-8
033FHN-8
050FHN-8
Table 9. Options
Suffix
Option
N
No Suffix
-6
Negative Logic Enable
Positive Logic Enable
3.7 mm Pin Length
2.8 mm Pin Length
-8
-M1
¼ Inch Longitudinal Heatsink
Notes:
Cleaning after assembly;
De-ionized water is recommended for cleaning assemblies that include this product. After wash
and any associated drying process step, it is recommended that the module be maintained at
100C for a period of 30 minutes to effect more complete drying of internal un-coated components
such as magnetic structures with layered windings. HiPot and other electrical tests can be
performed after the recommended drying procedure but some temporary degradation in results
may be observed until complete drying has occurred.
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ASTEC POWER - Andover
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