GH2801SCKA datasheet(3/9 Pages) IRF

3 / 9 page

www.irf.com

GH-SERIES

(28V Input, Single Output)

Electrical Performance Characteristics ( continued )

For Notes to Electrical Performance Characteristics, refer to page 4

Limits

Parameter

Group A

Subgroup

Conditions

-55

°C ≤ TC ≤ +85°C

VIN = 28V DC ± 5%, CL = 0

unless otherwise specified

Min

Nom

Max

Unit

Switching frequency (FS)

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

600

10.0

0.5

KHz

µs

Output ripple (VRIP)

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

1,2,3

IOUT = 100% rated load

Note 4

mV p-p

Efficiency (EFF)

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

IOUT = 100% rated load

Inhibit Input

open circuit voltage

drive current (sink)

voltage range

1,2,3

Note 1

3.0

-0.5

5.0

100

µA

Current Limit Point

Expressed as a percentage

of full rated load current

1,2,3

Vout = 90% of Nominal

125

135

Power dissipation, load fault (PD)

1,2,3

Short Circuit, Overload, Note 6

Output response to

step load changes (VTLD)

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

4,5,6

Half Load to/from Full Load, Note 7

-300

300

mV pk

Recovery time,

step load changes (TTLD)

GH2801S

GH2801R5S

GH2801R8S

GH2802R5S

GH2803R3S

GH2805S

4,5,6

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

250

µs

Output response to

step line changes (VTLN)

4,5,6

24V to/from 32V

IOUT = 100% rated load, Notes 1, 9

-50

mV pk

Recovery time,

step line changes (TTLN)

4,5,6

24V to/from 32V

IOUT = 100% rated load, Notes 1, 8, 9

200

µs

Turn-on Response

Overshoot (VOSH)

Turn-on Delay (TDLY)

4,5,6

No Load, Full Load

Note 10

250

5.0

GH2801SCKA Datasheet(PDF) 3 Page - International Rectifier

GH2801SCKA Datasheet(HTML) 3 Page - International Rectifier

Html Pages

1 2 3 4 5 6 7 8 9

Datasheet Download

Link URL