MODELS

SINGLE

DUAL

HHD28S5(F)

HHD28S12(F)

HHD28S15(F)

HHD28S18(F)

HHD28D5(F)

HHD28D12(F)

HHD28D15(F)

Single output models

HHD28S5(F)

HHD28S12(F)

Parameter

Conditions

Min

Max

Min

Max

Output Voltage(V)

Io=full load

Ambient temperature

4.95

5.05

11.88

12.12

high and low temperature

4.85

5.15

11.64

12.36

Output Current(A)t

VIN= 16 TO 40 VDC

-

3

-

1.67

Output Power(W)

-

-

15

-

20

Output Ripple Voltage

(mV)

BW=10 kHz to 2 MHz

Io=full load

Ambient temperature

-

50

-

40

high and low temperature

-

90

-

90

Line Regulation(mV)

VIN= 16 TO 40 VDC,Io=full load

-

50

-

50

Load Regulation(mV)

Io=No load to load

-

50

-

50

Input Ripple Current

(mA)

10 kHz - 2 MHzIo=full load

-

50

-

50

Efficiency (%)

Io=full load

Ambient temperature

76

-

80

-

high and low temperature

73

-

76

-

Isolation (MΩ)

Input to output or any pin to case (except case ground pin) at500 VDC, TA = 25° C

100

-

100

-

Inhibit Function

TA = 25° C，Inhibit voltage, output disabled

have

have

Protection Function

TA = 25° C

Start-up Overshoot mV pk

Vin=0 to 28V, Io=full load

50

-

120

Start-up Delay(ms)

Vin=0 to 28V, Io=full load

-

5

-

5

Capacitive Load(μF)

TA = 25° C, No effect on DC performance

-

10000

-

3000

Switching Frequency(kHz)

Io=full load

400

600

400

600

Step Load Response Transient(mV pK)

50% load -- full load -50% load

-300

300

-400

400

Step Load Response

Recovery (μs)

50% load -- full load -50% load

-

200

-

200

Step Line Response Transient (mV pK)

Vin=16~40V,Io=full load

Vin=40~16V, Io=full load

-300

300

-500

500

Step Line Response

Recovery t  (μs )

Vin=16~40V,Io=full load

Vin=40~16V, Io=full load

-

300

-

300

Load  Fault  Short Circuit recovery  (ms)

short circuit to full load

-

5

-

5

Single output models

HHD28S15(F)

HHD28S18(F)

Parameter

Conditions

Min

Max

Min

Max

Output Voltage(V)

Io=full load

Ambient temperature

14.85

15.15

17.82

18.18

high and low temperature

14.55

15.45

17.46

18.54

Output Current(A)t

VIN= 16 TO 40 VDC

-

1.33

-

1.11

Output Power(W)

-

-

20

-

20

Output Ripple Voltage

(mV)

BW=10 kHz to 2 MHz

Io=full load

Ambient temperature

-

40

-

40

high and low temperature

-

90

-

90

Line Regulation(mV)

VIN= 16 TO 40 VDC,Io=full load

-

50

-

50

Load Regulation(mV)

Io=No load to load

-

50

-

50

Input Ripple Current

(mA)

10 kHz - 2 MHzIo=full load

-

50

-

50

Efficiency (%)

Io=full load

Ambient temperature

81

-

81

-

high and low temperature

76

-

76

-

Isolation (MΩ)

Input to output or any pin to case (except case ground pin) at500 VDC, TA = 25° C

100

-

100

-

Inhibit Function

TA = 25° C，Inhibit voltage, output disabled

have

have

Protection Function

TA = 25° C

Start-up Overshoot mV pk

Vin=0 to 28V, Io=full load

-

150

-

180

Start-up Delay(ms)

Vin=0 to 28V, Io=full load

-

5

-

5

Capacitive Load(μF)

TA = 25° C, No effect on DC performance

-

3000

-

2000

Switching Frequency(kHz)

Io=full load

400

600

400

600

Step Load Response Transient(mV pK)

50% load -- full load -50% load

-500

500

-600

600

Step Load Response

Recovery (μs)

50% load -- full load -50% load

-

200

-

200

Step Line Response Transient (mV pK)

Vin=16~40V,Io=full load

Vin=40~16V, Io=full load

-600

600

-600

600

Step Line Response

Recovery t  (μs )

Vin=16~40V,Io=full load

Vin=40~16V, Io=full load

-

300

-

300

Load  Fault  Short Circuit recovery  (ms)

short circuit to full load

-

5

-

5

Dual output models

HHD28D5

HHD28D12(F)

HHD28D15(F)

Parameter

Conditions

Min

Max

Min