www.irf.com

3

GH-SERIES

(28V Input, Single Output)

For Notes to Electrical Performance Characteristics, refer to page 4

Limits

Parameter

Group A

Subgroup

Conditions

-55

unless otherwise specified

Min

Nom

Max

Unit

1,2,3

Sync. Input (Pin 4) open

450

500

550

KHz

Synchronization Input

frequency range

pulse high level

pulse low level

pulse transition time

pulse duty cycle

Ext. Clock on Sync. Input (Pin 4)

Note 1

450

4.0

-0.5

80

20

600

10.0

0.5

80

KHz

V

V

V/

µs

%

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

1,2,3

Note 4

5

5

5

10

10

10

15

15

15

25

25

30

mV p-p

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

1

70

72

75

81

83

85

73

75

78

84

85

87

%

Inhibit Input

open circuit voltage

drive current (sink)

voltage range

1,2,3

Note 1

3.0

-0.5

5.0

100

50

V

µA

V

Current Limit Point

Expressed as a percentage

of full rated load current

1,2,3

125

135

%

1,2,3

Short Circuit, Overload, Note 6

17

25

W

Output response to

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

4,5,6

Half Load to/from Full Load, Note 7

-300

-300

-300

-300

-300

-300

300

300

300

300

300

300

mV pk

Recovery time,

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

4,5,6

Half Load to/from Full Load, Notes 7, 8

250

250

250

250

250

250

µs

Output response to

4,5,6

24V to/from 32V

-50

50

mV pk

Recovery time,

4,5,6

24V to/from 32V

200

µs

Turn-on Response

4,5,6

No Load, Full Load

Note 10

0

250

5.0

mV

ms