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Mil Grade DC DC converters- HSA28 Series
1 FEATURES of Mil Grade DC DC converters-
HSA28 Series
16 to 40 VDC input, typical 28V
Model HSA15S5 10 to 20V DC output, typical 15V
5W output power
-55to +125operation
Fully isolated
More than100MΩ(500V DC) isolation
Size : (non-flanged) 27.31x27.31x 6.86 mm3
(flanged): 39.0 x 27.31 x 6.86 mm3
Weight: (non-flanged):18grams
(flanged): 20grams
Inhibit function and indefinite short circuit protection
Figure 1 HSA28 Series DC/DC converters
500kHz operating frequency
Equivalent with Interpoint’s MSA Series
Table 1 Product models
Hermetically sealed metal cases
MODELS
2 DESCRIPTION of Mil Grade DC DC
converters- HSA28 Series
The HSA28 Series of DC/DC converters offer up to 5
SINGLE
HSA28S5(F)
HSA28S12(F)
HSA28S15(F)
DUAL
HSA28D5(F)
HSA28D12(F)
HSA28D15(F)
watts of output power with high reliability. The HSA28 HSA28S5R2(F)
series’ small size, light weight, and hermetically sealed
metal packages make them ideal for use in aviation,
aerospace and other high reliability applications.
The HSA 28 series of converters use single ended forward
or flyback pulse width modulated topology design. The
operating principle is that the sampling signal of output
HSA28S60(F)
HSA15S5(F)
HSA28S28R5(F)
HSA28S3R3(F)
HSA28S2R5
HSA28S2R5-A(F)
voltage, coupled by the opto-coupler, works together with the sampling signal of input loop
current to regulate the pulse width of the controller. The double close loop control can create
constant voltage output and short circuit protection.
Thick film hybrid techniques provide the HSA28 Series of converters with reliability levels and
optimum miniaturization. The design and manufacturing process of HSA28 Series of converters
are in compliance with General Standards of Hybrid Integrated Circuits and detailed standards of
manufacturing. Connected to a HFD-CE03 filter, the HSA28 Series of converters can achieve
better electromagnetic compatibility (EMC) performance.
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3 ELECTRICAL PERFORMANCE of Mil Grade DC DC converters-
HSA28 Series
ABSOLUTE MAXIMUM RATINGS
Input Voltage: 40V ( 20V for Model HSA15S5)
Power dissipation: 2.6W
Output power: 5.7W
Lead Soldering Temperature : 300°C (10 sec per lead)
Storage Temperature Range (Case): -55~ +125
Inhibit voltage: 0.2V
RECOMMENDED OPERATING CONDITIONS
DC Input voltage range :16~ 40V
(10~20V for Model HSA15S5 )
Case Operating Temperature (Tc): –55°C to +125°C
HSA28S5(F), HSA28S12(F) , HSA28S15(F)
Table 2 Electrical Characteristics(TCASE = -55°C to +125°C, VIN = 28V ± 0.5V, Full Load5, Unless Otherwise Specified)
Single output models
Parameter
Conditions
HSA28S5(F)
Min Max
HSA28S12(F) HSA28S15(F)
Min Max Min Max
Output Voltage
(V)
Output Current
(A)
Output Power
(W)
Io=full
load
Ambient temperature 4.95 5.05 11.88 12.12 14.85 15.15
high and low temperature 4.80 5.20 11.52 12.48 14.40 15.60
Vin = 16 TO 40 VDC
- 1 - 0.417 - 0.333
- - 5 - 5- 5
Output
Ripple
Voltage(mV)
Line Regulation
(mV)
Load Regulation
(mV)
Input Ripple Current
(mA)
Efficiency (%)
Isolation (MΩ)
Inhibit Function
Protection Function
Start-up Overshoot
(mV pk)
Start-up Delay
(ms)
BW=10kHz to 2 MHz Ambient temperature -
Io=full load
high and low temperature -
VIN = 16 TO 40 VDC,Io=full load
--
Io=No load to full load
-
BW=10kHz-2 MHz Ambient temperature -
Io=full load
high and low temperature -
Io=full load
Ambient temperature 66
high and low temperature 64
Input to output or any pin to case (except case
ground pin) at 500 VDC, TA = 25° C
100
TA = 25° CInhibit voltage, output disabled
TA = 25° C
Vin=0 to 28V, Io=full load
-
Vin=0 to 28V, Io=full load
-
350
525
50
50
100
150
-
-
-
have
have
500
75
- 200
- 300
- 50
- 50
- 100
- 150
70 -
68 -
100 -
have
have
- 500
- 30
- 170
- 250
- 50
- 50
- 100
- 150
71 -
69 -
100 -
have
have
- 500
- 30
Capacitive Load(μF) TA = 25° C, No effect on DC performance - 300 - 500 - 500
Switching Frequency
(kHz)
Io=full load
400 600 400 600 400 600
Step Load Response 50% load -- full Ambient temperature
Transient(mV pK)
load -50% load high and low temperature
-250 250
-750 750
-375 375 -500 500
-1100 1100 -1500 1500
Step Load Response 50% load -- full Ambient temperature
Recovery (μs)
load -50% load high and low temperature
-
-
250
1500
-
-
500
3000
-
-
500
3500
Step Line Response Vin=16~40V, Io=full load
Transient (mV pK) Vin=40~16V, Io=full load
-500 500 -1000 800 -500 500
Step Line Response
Recovery (μs )
Load Fault Short
Circuit recovery (ms)
Vin=16~40V, Io=full load
Vin=40~16V, Io=full load
Io from short circuit to full load
- 500 - 1300 - 1300
- 900
- 75 - 30 - 30
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Notes to Specifications:
1 The step load transition time should be greater than or equal to 10μs.
2 The step line transition time should be greater than or equal to 10μs.
Recovery time is measured from application of the transient to point at which VOUT is within 1% of VOUT at
final value.
HSA28S5R2(F), HSA28S60(F), HSA15S5(F)
Table 3 Electrical Characteristics: (TCASE = -55°C to +125°C, VIN = 28V ± 0.5V, Full Load5, Unless
Otherwise Specified)
Single output models
Parameter
Output Voltage
(V)
Conditions
Io=full load
Ambient temperature
high and low temperature
HSA28S5R2(F)
Min Max
5.15 5.25
4.99 5.41
HSA28S60(F)
Min Max
59.1 60.9
56.0 64.0
HSA15S5(F)
Min Max
5.0 5.1
4.9 5.2
Output Current(A) VIN = 16 TO 40 VDC( VIN = 10 TO 20 VDC)
-
0.962 -
0.020 -
0.8
Output Power(W) -
- 5.2 - 5.2 -
5
Output Ripple
BW=10 kHz to 2 Ambient temperature
Voltage
(mV)
MHz
(BW≤20MHz)
high and low temperature
Io=full load
Voltage Regulation VIN = 16 TO 40 VDC,( VIN = 10 TO 20 VDC)
(mV)
Io=full load
Load Regulation(mV) Io=No load to load
-
-
-
-
350
-
525
50 -
50 -
300 -
300 -
300 -
50
50
50
Input
Ripple BW=10kHz to 2MHz, Ambient temperature
Current(mA)
Io=full load
high and low temperature
Efficiency
(%)
Isolation(MΩ)
Inhibit Function
Protection Function
Start-up Overshoot
(mV pk)
Start-up Delay
(ms)
Capacitive Load
(μF)
Switching
Frequency(kHz)
Step Load Response
Transient(mV pK)
Io=full load
Ambient temperature
high and low temperature
Input to output or any pin to case (except case
ground pin) at 500 VDC, TA = 25° C
TA = 25° CInhibit voltage, output disabled
TA = 25° C
Vin=16 to 40V, Io=full load
Vin=16 to 40V, Io=full load
TA = 25° C, No effect on DC performance
Io=full load
50% load -- full
load -50% load
Ambient temperature
high and low temperature
Step Load Response 50% load -- full Ambient temperature
Recovery (μs)
load -50% load high and low temperature
- 100
- 150
66 -
64 -
100 -
have
- 500
- 75
- 300
400 600
-250 250
-750 750
- 250
- 1500
- 90
--
70
65 -
100 -
have
--
--
--
400 600
--
--
--
--
72 -
100 -
have
--
- 25
--
--
--
--
Step Line Response Vin=16~40V, Io=full load
Transient (mV pK) Vin=40~16V, Io=full load
Step Line Response
Recovery (μs )
Load Fault Short
Circuit recovery ms)
Vin=16~40V, Io=full load
Vin=40~16V, Io=full load
Io from short circuit to full load
-500 500 -
-
-
-
- 500
-- - -
- 900
- 75 - - - -
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Notes to Specifications:
The step load transition time should be greater than or equal to 10μs.
The step line transition time should be greater than or equal to 10μs.
Recovery time is measured from ap
plication of the transient to point at which
VOUT is within 1% of VOUT at final value.
HSA28S28R5(F), HSA28S3R3(F)
Table 4 Electrical Characteristics: (TCASE = -55°C to +125°C, VIN = 28V ± 0.5 V, Full Load5, Unless
Otherwise Specified)
Single output models
HSA28S28R5(F) HSA28S3R3(F)
Parameter
Conditions
Min Max Min Max
Output Voltage
Io=full
Ambient temperature
28.2 29
3.20 3.40
(V)
load
high and low temperature 27.7
29.3 3.15 3.45
Output Current
(A)
VIN = 16 TO 40 VDC
-
0.2 0
1.2
Output Power
(W)
-
-
5.7 -
4.5
Output Ripple Voltage BW=10 kHz to 2 MHz
(mV)
Io=full load
-
60 -
50
Line Regulation
(mV)
VIN = 16 TO 40
VDC,( VIN = 10
TO 20 VDC)
Io=full load
Ambient temperature
high and low temperature
-
-
28
-
50
100
Load Regulation(mV)
Io=No load to Ambient temperature
load high and low temperature
-
-
140
-
50
100
Efficiency (%)
Io=full load
75 -
70 -
Input to output or any pin to case (except case
Isolation (MΩ)
ground pin) at 500 VDC,
100 -
100 -
TA = 25° C
Inhibit Function
Protection Function
TA = 25° CInhibit voltage, output disabled
TA = 25° C
have
have
Start-up Overshoot
Vin=0 to 28V, Io=full load - -
(mV pk)
Start-up Delay(ms)
Vin=0to 28V, Io=full load
- 5- 5
Capacitive Load(μF) TA = 25° C, No effect on DC performance
-
-
--
Switching Frequency
(kHz)
Io=full load
400 600 -
-
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HSA28S2R5 , HSA28S2R5-A(F)
Table 5 Electrical Characteristics: (TCASE = -55°C to +125°C, VIN = 28V ± 0.5V, Full Load5, Unless Otherwise
Specified)
Single output models
Parameter
Output Voltage
(V)
Output Current
(A)
Output Power
(W)
Output Ripple
Voltage
(mV)
Line Regulation
(mV)
Load Regulation
(mV)
Efficiency (%)
Isolation (MΩ)
Inhibit Function
Protection Function
Start-up Overshoot
(mV pk)
Start-up Delay
(ms)
Capacitive Load
(μF)
Switching
Frequency(kHz)
Conditions
Io=full
load
Ambient temperature
high and low temperature
VIN = 16 TO 40 VDC
-
BW=10 kHz to 2 MHz
Io=full load
VIN = 16 TO 40
VDC,( VIN = 10
TO 20 VDC)
Ambient temperature
high and low temperature
Io=full load
Io=No load to
load
Ambient temperature
high and low temperature
Io=full load
Input to output or any pin to case (except case
ground pin) at 500 VDC, TA = 25° C
TA = 25° CInhibit voltage, output disabled
TA = 25° C
Vin=0 to 28V, Io=full load
Vin=0to 28V, Io=full load
TA = 25° C, No effect on DC performance
Io=full load
HSA28S2R5
Min Max
2.40 2.60
2.35 2.65
01
-3
- 80
- 50
- 100
- 50
- 100
60 -
100 -
have
--
-5
--
--
HSA28S2R5-A(F)
Min Max
2.40 2.60
2.35 2.65
02
- 5.5
- 35
- 10
- 20
- 50
- 70
68 -
100 -
have
--
-5
--
--
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