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Thick film hybrid integrated techniques provide the HSA28 Series of military grade DC DC 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 （MIL-883 DC/DC converters）and detailed standards of manufacturing.

Single/Double/Triple : Single
Output Voltage (V) : 5V,12V,15V
Max. Output Power (W) : 5W

Product Detail

· 16 to 40 VDC input, typical 28V
· Model HSA15S5 10 to 20V DC output, typical 15V
· 5W output power
· -55℃ to +125℃ operation
· Fully isolated
· More than100MΩ(500V DC) isolation
· Inhibit function and indefinite short circuit protection
· 500kHz operating frequency
· Equivalent with Interpoint’s MSA Series
· Hermetically sealed metal cases

Table 1 Product models of HSA28 Series Military Grade DC-DC Converters

MODELS

SINGLE

DUAL

HSA28S5(F)

HSA28S12(F)

HSA28S15(F) HSA28S5R2(F)

HSA28S60(F) HSA15S5(F)

HSA28S28R5(F)

HSA28S3R3(F)

HSA28S2R5

HSA28S2R5-A(F)

HSA28D5(F)

HSA28D12(F)

HSA28D15(F)

2 DESCRIPTION of HSA28 Series Military Grade DC-DC Converters

The operating principle is that the sampling signal of output 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 integrated techniques provide the HSA28 Series of DC DC 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 （MIL-883 DC/DC converters）and detailed standards of manufacturing. Connected to a HFD-CE03 filter, the HSA28 Series of converter can achieve better electromagnetic compatibility (EMC) performance.
ELECTRICAL PERFORMANCE

3 ELECTRICAL PERFORMANCE of HSA28 Series Military Grade DC-DC Converters

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			HSA28S5(F)		HSA28S12(F)		HSA28S15(F)
Parameter	Conditions		Min	Max	Min	Max	Min	Max
Output Voltage (V)	Io=full load	Ambient temperature high and low temperature	4.95 4.80	5.05 5.20	11.88 11.52	12.12 12.48	14.85 14.40	15.15 15.60
Output Current (A)	Vin= 16 TO 40 VDC		-	1	-	0.417	-	0.333
Output Power (W)	-		-	5	-	5	-	5
Output Ripple Voltage(mV)	BW=10kHz to 2 MHz Io=full load	Ambient temperature high and low temperature	- -	350 525	- -	200 300	- -	170 250
Line Regulation (mV)	VIN = 16 TO 40 VDC,Io=full load		--	50	-	50	-	50
Load Regulation (mV)	Io=No load to full load		-	50	-	50	-	50
Input Ripple Current (mA)	BW=10kHz-2 MHz Io=full load	Ambient temperature high and low temperature	- -	100 150	- -	100 150	- -	100 150
Efficiency (%)	Io=full load	Ambient temperature high and low temperature	66 64	- -	70 68	- -	71 69	- -
Isolation (MΩ)	Input to output or any pin to case (except case ground pin) at 500 VDC, TA = 25° C		100	-	100	-	100	-
Inhibit Function	TA = 25° C，Inhibit voltage, output disabled		have		have		have
Protection Function	TA = 25° C		have		have		have
Start-up Overshoot (mV pk)	Vin=0 to 28V, Io=full load		-	500	-	500	-	500
Start-up Delay (ms)	Vin=0 to 28V, Io=full load		-	75	-	30	-	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 Transient(mV pK)	50% load -- full load -50% load	Ambient temperature high and low temperature	-250	250	-375	375	-500	500
Step Load Response Transient(mV pK)	50% load -- full load -50% load	Ambient temperature high and low temperature	-750	750	-1100	1100	-1500	1500
Step Load Response Recovery (μs)	50% load -- full load -50% load	Ambient temperature high and low temperature	-	250	-	500	-	500
Step Load Response Recovery (μs)	50% load -- full load -50% load	Ambient temperature high and low temperature	-	1500	-	3000	-	3500
Step Line Response Transient (mV pK)	Vin=16~40V, Io=full load Vin=40~16V, Io=full load		-500	500	-1000	800	-500	500
Step Line Response Recovery (μs )	Vin=16~40V, Io=full load Vin=40~16V, Io=full load		-	500	-	1300	-	1300
Step Line Response Recovery (μs )	Vin=16~40V, Io=full load Vin=40~16V, Io=full load		-	900	-	1300	-	1300
Load Fault Short Circuit recovery(ms)	Io fromshort circuit to full load		-	75	-	30	-	30

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 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			HSA28S5R2(F)		HSA28S60(F)		HSA15S5(F)
Parameter	Conditions		Min	Max	Min	Max	Min	Max
Output Voltage (V)	Io=full load	Ambient temperature high and low temperature	5.15	5.25	59.1	60.9	5.0	5.1
			4.99	5.41	56.0	64.0	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 Voltage (mV)	BW=10 kHz to 2 MHz (BW≤20MHz) Io=full load	Ambient temperature	-	350	-	300	-	50
		high and low temperature	-	525
Voltage Regulation (mV)	VIN= 16 TO 40 VDC,( VIN= 10 TO 20 VDC) Io=full load		-	50	-	300	-	50
Load Regulation(mV)	Io=No load to load		-	50	-	300	-	50
Input Ripple Current(mA)	BW=10kHzto 2MHz, Io=full load	Ambient temperature high and low temperature	-	100	-	90	-	-
			-	150	-	-	-	-
Efficiency (%)	Io=full load	Ambient temperature high and low temperature	66	-	70	-	72	-
			64	-	65
Isolation(MΩ)	Input to output or any pin to case (except case ground pin) at 500 VDC, TA = 25° C		100	-	100	-	100	-
Inhibit Function	TA = 25° C，Inhibit voltage, output disabled		have		have		have
Protection Function	TA = 25° C
Start-up Overshoot (mV pk)	Vin=16 to 40V, Io=full load		-	500	-	-	-	-
Start-up Delay (ms)	Vin=16 to 40V, Io=full load		-	75	-	-	-	25
Capacitive Load (μF)	TA = 25° C, No effect on DC performance		-	300	-	-	-	-
Switching Frequency(kHz)	Io=full load		400	600	400	600	-	-
Step Load Response Transient(mV pK)	50% load -- full load -50% load	Ambient temperature high and low temperature	-250	250	-	-	-	-
			-750	750
Step Load Response Recovery (μs)	50% load -- full load -50% load	Ambient temperature high and low temperature	-	250	-	-	-	-
			-	1500
Step Line Response Transient (mV pK)	Vin=16~40V, Io=full load Vin=40~16V, Io=full load		-500	500	-	-	-	-
Step Line Response Recovery (μs )	Vin=16~40V, Io=full load Vin=40~16V, Io=full load		-	500	-	-	-	-
			-	900
Load Fault Short Circuit recovery ms)	Io fromshort circuit to full load		-	75	-	-	-	-

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)
HSA28S2R5 , HSA28S2R5-A(F)

Single output models			HSA28S28R5(F)		HSA28S3R3(F)
Parameter	Conditions		Min	Max	Min	Max
Output Voltage (V)	Io=full load	Ambient temperature	28.2	29	3.20	3.40
Output Voltage (V)	Io=full 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 (mV)	BW=10 kHz to 2 MHz Io=full load		-	60	-	50
Line Regulation (mV)	VIN= 16 TO 40 VDC,( VIN= 10 TO 20 VDC) Io=full load	Ambient temperature	-	28	-	50
Line Regulation (mV)	VIN= 16 TO 40 VDC,( VIN= 10 TO 20 VDC) Io=full load	high and low temperature	-	28	-	100
Load Regulation(mV)	Io=No load to load	Ambient temperature	-	140	-	50
Load Regulation(mV)	Io=No load to load	high and low temperature	-	140	-	100
Efficiency (%)	Io=full load		75	-	70	-
Isolation (MΩ)	Input to output or any pin to case (except case ground pin) at 500 VDC, TA = 25° C		100	-	100	-
Inhibit Function	TA = 25° C，Inhibit voltage, output disabled		have		have
Protection Function	TA = 25° C		have		have
Start-up Overshoot (mV pk)	Vin=0 to 28V, Io=full load		-		-
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	-	-

Table 5 Electrical Characteristics: (TCASE = -55°C to +125°C, VIN = 28V ± 0.5V, Full Load5, Unless Otherwise Specified)

Single output models			HSA28S2R5		HSA28S2R5-A(F)
Parameter	Conditions		Min	Max	Min	Max
Output Voltage (V)	Io=full load	Ambient temperature	2.40	2.60	2.40	2.60
Output Voltage (V)	Io=full load	high and low temperature	2.35	2.65	2.35	2.65
Output Current (A)	VIN= 16 TO 40 VDC		0	1	0	2
Output Power (W)	-		-	3	-	5.5
Output Ripple Voltage (mV)	BW=10 kHz to 2 MHz Io=full load		-	80	-	35
Line Regulation (mV)	VIN= 16 TO 40 VDC,( VIN= 10 TO 20 VDC) Io=full load	Ambient temperature	-	50	-	10
Line Regulation (mV)	VIN= 16 TO 40 VDC,( VIN= 10 TO 20 VDC) Io=full load	high and low temperature	-	100	-	20
Load Regulation (mV)	Io=No load to load	Ambient temperature	-	50	-	50
Load Regulation (mV)	Io=No load to load	high and low temperature	-	100	-	70
Efficiency (%)	Io=full load		60	-	68	-
Isolation (MΩ)	Input to output or any pin to case (except case ground pin) at 500 VDC, TA = 25° C		100	-	100	-
Inhibit Function	TA = 25° C，Inhibit voltage, output disabled		have		have
Protection Function	TA = 25° C		have		have
Start-up Overshoot (mV pk)	Vin=0 to 28V, Io=full load		-	-	-	-
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		-	-	-	-

HSA28D5(F), HSA28D12(F) , HSA28D15(F)
Table 6 Electrical Characteristics: (TCASE = -55°C to +125°C, VIN = +28V ± 0.5V, Full Load5, Unless Otherwise Specified)

Dual output models					HSA28D5(F)		HSA28D12(F)		HSA28D15(F)
Parameter	Conditions				Min	Max	Min	Max	Min	Max
Output Voltage (V)	Io1= Io2= 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
		Ambient temperature			-5.10	-4.90	-12.24	-11.76	-15.30	-14.70
		high and low temperature			-5.25	-4.75	-12.96	-11.04	-16.20	-13.80
Output Current (A)	VIN= 16 TO 40 VDC				-	0.5	-	0.208	-	0.167
Output Power (W)	-				-	5.23	-	5.3	-	5.3
Output Ripple Voltage (mV)	BW=10 kHz to 2 MHz(BW≤20MHz) Io1= Io2= full load	Ambient temperature			-	150	-	140	-	150
		high and low temperature			-	300	-	250	-	250
		Ambient temperature			-	150	-	140	-	150
		high and low temperature			-	300	-	250	-	250
Line Regulation (mV)	VIN= 16 TO 40 VDC, Io1= Io2= full load			+Vout	-	25	-	50	-	50
Line Regulation (mV)	VIN= 16 TO 40 VDC, Io1= Io2= full load			-Vout	-	75	-	180	-	180
Load Regulation (mV)	Io1= Io2=No load to full load			+Vout	-	50	-	50	-	50
Load Regulation (mV)	Io1= Io2=No load to full load			-Vout	-	200	-	200	-	200
Efficiency (%)	Io1= Io2=full load	Ambient temperature			68	-	69	-	70	-
Efficiency (%)	Io1= Io2=full load	high and low temperature			65	-	67	-	68
Isolation (MΩ)	Input to output or any pin to case (except case ground pin) at 500 VDC, TA = 25° C					100	-	100	-	100
Inhibit Function	TA = 25° C，Inhibit voltage, output disabled				have		have		have
Protection Function	TA = 25° C				have		have		have
Start-up Overshoot (mV pk)	Vin=0 to 28V, Io1=Io2=full load		Ambient temperature		-	500	-	500	-	500
			high and low temperature		-	750			-	750
			Ambient temperature		-	500			-	500
			high and low temperature		-	750			-	750
Start-up Delay (ms)	Vin=0 to28V, Io1=Io2=full load				-	25	-	30	-	25

Table 6 Electrical Characteristics (to be continued)

Capacitive Load (μF)	TA = 25° C, No effect on DC performance		-	10	-	100	-	10
Switching Frequency(kHz)	Io=full load		400	600	400	600	400	600
Step Load Response Transient(mV pK)	50% load to full load or full load to 50% load, Each Vout has balanced load	Ambient temperature	-150	150	-450	450	-450	450
		high and low temperature	-500	500	-1400	1400	-1400	1400
		Ambient temperature	-150	150	-450	450	-450	450
		high and low temperature	-500	500	-1400	1400	-1400	1400
Step Load Response Recovery (μs)	50% load to full load or full load to 50% load, Each Vout has balanced load	Ambient temperature	-	100	-	500	-	500
		high and low temperature	-	1000	-	4500	-	4500
		Ambient temperature	-	100	-	500	-	500
		high and low temperature	-	1000	-	4500	-	4500
Step Line Response Transient (mV pK)	Vin=16~40V, Io1= Io2=full load		-750	750	-500	500	-1500	1500
Step Line Response Transient (mV pK)	Vin=16~40V, Io1= Io2=full load		-500	500	-500	500	-1000	1000
Step Line Response Recovery (μs )	Vin=16~40V, Io1= Io2=full load		-	1200	-	750	-	1200
Load Fault Short Circuit recovery (ms)	Io1= Io2 short circuit to full load				-	2000
			-	50	-	30	-	50

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 application of the transient to point at which VOUT is within 1% of VOUT at final value.

4 TYPICAL PERFORMANCE CURVES of HSA28 Series Military Grade DC DC Converter

(1) Single output model HSA28S5


Figure 2 Efficiency (OUTPUT POWER)	Figure 3 STEP LINE RESPONSE

Figure 4 STEP LOAD RESPONSE	Figure 5 Start-up overshoot/ delay

(2) Dual output model HSA28D5


Figure 6 Efficiency (OUTPUT POWER)	Figure 7 Input STEP LINE RESPONSE

Figure 8 STEP LOAD RESPONSE	Figure 9 Start-up overshoot/ delay

5 TYPICAL MTBF CURVES of HSA28 Series Military Grade DC DC Converters


TEMPERATURE (℃)	TEMPERATURE (℃)
Figure10 Model HSA28 S15	Figure 11 Model HSA28D15

6 TYPICAL CONNECTION DIAGRAM of HSA28 Series Military Grade DC DC Converters


Figure12 Application Connection Diagram for Single output models	Figure13 Application Connection Diagram for Dual output models	Figure14 Inhibit Drive connection Diagram for Single Output Models

Figure15 Inhibit Drive connection Diagram for Dual Output Models	Figure16 Single Output Converter with EMI Filter Connection Diagram	Figure17 Dual Output Converter with EMI Filter connection Diagram

7 PACKAGE SPECIFICATIONS of HSA28 Series Military Grade DC DC Converters

Figure18 Package Outline

Notes:

Character “A” is 8.6 mm for HSA15S5, HSA28S3R3 and HSA28S2R5.

Character “A” is 10 mm for HSA28S5 and HSA28S2R5-A

Table 6 Case Materials

Case Model

Header

Header Plating

Cover

Cover Plating

Pin Plating

Sealing Style

Notes

UPP2727-08f

Cold Rolled Steel

Nickel/Gold

Iron/Nickel Alloy

Nickel/Gold

Copper

Compound

Nickel/Gold

Compression Seal

Nickel plating is for pin8.

8 PIN DESIGNATION of HSA28 Series Military Grade DC to DC Converter


Figure19 Pin Out Bottom View

9 ORDERING INFORMATION of HSA28 Series Military Grade DC to DC Converters

Figure 20 Part Numbering Key

Application Notes:

The correct power supply is to be ensured that may not cause permanent damage to the device.
When the electrical performance is tested, the testing position should be pin of the device.
When the device is mounted, the bottom of the device should be closely attached to the circuit board. So as to avoid the damage of the pins, the shockproof should be increased when it is required
The pin should not be bending to avoid the glass insulator breaking and case leakage.
When the case temperature is at 105℃, it is suggested that thickness of the thermal sinking plate(copper material) is 3mm, the dimension is greater than 100mm×100mm.
When the case temperature is at 125℃, it is suggested that thickness of the thermal sinking plate is 3mm, the dimension is greater than 120mm×80mm.

To request a quotation or place orders ,please contact our sales representative or the ECRIM Sales
Department at: Sales Phone: (086) 0551-3667943 Sales Fax: (086) 0551-3638101
E-mail: sales@ecrim.cn

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Product Detail

2 DESCRIPTION of HSA28 Series Military Grade DC-DC Converters

3 ELECTRICAL PERFORMANCE of HSA28 Series Military Grade DC-DC Converters

Notes to Specifications:

4 TYPICAL PERFORMANCE CURVES of HSA28 Series Military Grade DC DC Converter

5 TYPICAL MTBF CURVES of HSA28 Series Military Grade DC DC Converters

6 TYPICAL CONNECTION DIAGRAM of HSA28 Series Military Grade DC DC Converters

7 PACKAGE SPECIFICATIONS of HSA28 Series Military Grade DC DC Converters

8 PIN DESIGNATION of HSA28 Series Military Grade DC to DC Converter

9 ORDERING INFORMATION of HSA28 Series Military Grade DC to DC Converters

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