HTB2800S datasheet(2/11 Pages) IRF

Part #	HTB2800S

Description	HIGH TEMPERATURE HYBRID DC-DC CONVERTER

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Manufacturer	IRF [International Rectifier]

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HTB28XXS

(185°C, 28V Input, Single Output)

Electrical Performance Characteristics

For Notes to Electrical Performance Characteristics, refer to page 4

Input voltage range

-0.5VDC to 40VDC

Input voltage range

17VDC to 34VDC

Output power

Internally limited

Output power

0 to Max. Rated

Lead temperature

+300°C for 10 sec

Case Operating temperature

-35°C to +185°C

Storage temperature

-45°C to +125°C

Maximum Operating Conditions

Absolute Maximum Ratings

Note: Storage at high temperature will effect life.

HTB2803R3S

Preliminary

HTB2805S

HTB2812S

Preliminary

HTB2815S

Preliminary

TEST

Conditions

-35°

≤ TC ≤ +185°C

VIN = 28VDC ±5% CL = 0

unless otherwise

specified

Subgroup

10

Min

Max

Min

Max

Min

Max

Min

Max

Unit

1

3.26

3.34

4.95

5.05

11.88

12.12

14.85

15.15

Output voltage

IOUT = 100% IMAX

2, 3

3.2

3.4

4.85

5.15

11.64

12.24

14.55

15.30

V

Output current

1

VIN = 17, 28, and 34 VDC

1, 2, 3

1.51

5.0

1.0

0.416

0.333

A

Output power

VIN = 17, 28, and 34 VDC

1, 2, 3

5.0

w

1

50

Output ripple voltage

2

VIN = 17, 28 and 34 VDC

IOUT = IMAX

2, 3

50

mV PP

Turn-on (rising), IOUT = 0

1,2,3

12

15

12

15

12

15

12

15

Turn off (decreasing),

IOUT = 0

1,2,3

12

14

12

14

12

14

12

14

V

1,2

0.7

Input Under Voltage

Hysteresis

3

0.4

V

Line regulation

VIN = 17, 28, and 34 VDC

IOUT = 0, 50%, 100% IMAX

1, 2, 3

-0.5

+0.5

-0.5

+0.5

-0.5

+0.5

-0.5

+0.5

%

Load regulation

VIN = 17, 28, and 34 VDC

IOUT = 0, 50%, 100% IMAX

1, 2, 3

-2.0

+2.0

-1.0

+1.0

-1.0

+1.0

-1.0

+1.0

%

IOUT = 0

15

20

Input current

IOUT = 0 (inhibited)

1, 2, 3

3.5

mA

1, 3

100

Input ripple current

2

IOUT = IMAX

2

150

mA PP

1, 3

69

75

Efficiency

IOUT = IMAX

2

69

70

71

%

Current Limit Point

Expressed as a

percentage of full

rated output power

VOUT = 90% of nominal

1, 2, 3

180

%

Isolation

VTEST 500 VDC, Tc= 25°C

Input to output or any pin

to case

1

100

M

Ω

Capacitive load

3, 4,10

No effect on DC

performance, TC = 25°C

IOUT = IMAX

4

1000

300

µF

Overload

5

5.0

Power dissipation, load

fault

Short circuit

1, 2, 3

2.5

3.0

2.5

W

Switching frequency

4

IOUT = IMAX

4, 5, 6

500

600

500

600

500

600

500

600

kHz

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