Isolation Industrial Power Supply 700W dc-dc inverter Output 28V / 25A TF700-48S28-NOC

Parameter

Min

Typ

Max

Units

Notes

Input Voltage Range

36

48

72

Vdc

Continuous

Maximum Input Current

24

A

Full load, Min. input

Standby Input Current

0.2

A

No load

Efficiency

92

%

Recommend External Input Capacitance

470

uF

 ESR 0.1-0.2R

Parameter

Min

Typ

Max

Units

Notes

Output Voltage Range

27.72

28.00

28.28

Vdc

Output Current Range

0

25

A

Line Regulation

±1

%

Vin=36～72V,Io=0～23A

Load Regulation

±1

%

Vin=36～72V,Io=0～23A

Overall Output Voltage

±1

%

Vin=36～72V,Io=0～23A

Noise(Peak-to-Peak)

120

250

mV

20 MHz bandwidth. output with 10uF electrolytic capacitor and 0.1uF ceramic capacitor at full rated current.

Maximum Output Cap.

1000

3300

6000

μF

2000uF recommend when Ta≤-5℃

Output Voltage Trim

22

32

Vdc

Nominal input; full load; 25°C

Parameter

Min

Typ

Max

Units

Notes

Change in Output Current

(di/dt= 0.1A/us)

850

mV

di/dt=0.1A/us,Io=25%-50%-25%Ioutmax or 50% to 75% to 50% Iout max

Settling Time

400

uS

To within 1% Vout nom.

Output voltage overshoot

5

%

Parameter

Min

Typ

Max

Units

Notes

Switching Frequency

240

255

270

KHz

Output Voltage Trim

32

Vdc

Trim Up, Trim Pin to (+) Vout.

22

Vdc

Trim Down, Trim Pin to (-) Vout.

Enable Source Current

5

mA

Enable (On - Off Control)  Positive Logic

3.5

15

Vdc

On–Control, Logic high or floating

-0.3

1.5

Vdc

Off–Control, Logic low

Auxiliary power supply

8

15

Vdc

Continuous source current≤25mA

Working status detection

(IOG)

Low impedance when module is ok, high impedance when module failed

Under-Voltage Lockout

32.0

35.9

Vdc

Turn - On threshold

31.0

35.0

Vdc

Turn - Off threshold

Over-Load Protection

110

125

150

%

Current–Mode, Pulse by Pulse Current Limit Threshold,(%Rated Load)

Output over-voltage

protection

33

36

Vdc

Hiccup Mode, Auto Recovery

Over–Temperature Protection

100

105

110

℃

Auto-Recovery, Basepalte Temperature

10

℃

Hysteresis

Parameter

Min

Typ

Max

Units

Notes

Isolation Voltage

1500

Vdc

Input to Output, Leakage current≤1mA

1000

Vdc

Input to Base plate, Leakage current≤1mA

500

Vdc

Output to Base plate, Leakage current≤1mA

Isolation Resistance

10

MΩ

At 500VDC to test it when atmospheric pressure and R.H. is 90%

Isolation Capacitance

1000

pF

Parameter

Min

Typ

Max

Units

Notes

Weight

200

g

MTBF

250,000

Hrs

Parameter

Min

Typ

Max

Units

Notes

Operating Temperature

-40

85

℃

Extended, base palte temperature

Storage Temperature

-55

115

℃

Ambient

Humidity

20

90

%R.H.

Pin No.

Name

Function

1

Vin(-)

Negative input voltage

2

Vin(+)

Positive input voltage

3

ON/OFF-

Negative Enable control

4

ON/OFF+

Positive Enable control

5

Vout+

Positive output voltage

6

Vout-

Negative output voltage

7

S-

Negative remote sense. SENSE(-) must connect to Vout(-)

8

S+

Positive remote sense. SENSE(+) must connect to Vout(+)

9

TRIM

Output voltage trim. Leave TRIM pin open for nominal output voltage.

10

PC

Current sharing

11

IOG

Working status detection

12

AUX

Auxiliary power supply