LM5027A

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SNVS642B – APRIL 2010 – REVISED MARCH 2013

Electrical Characteristics (continued)

+125°C. Unless otherwise specified, the following conditions apply: VIN = 48V, VCC = 10V, RT= 38.4K , No Load on OUTA,

OUTB and OUTSR unless otherwise stated.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

OUTA GATE DRIVER

VOL

OUTA Low-state Output Voltage

0.15

0.5

V

VOH

OUTA High-state Output Voltage

0.35

0.21

V

OUTA Rise Time

C-load = 1000 pF

10

ns

OUTA Fall Time

C-load = 1000 pF

13

ns

IOHL

Peak OUTA Source Current

2

A

IOLL

Peak OUTA Sink Current

2

A

OUTB GATE DRIVER

VOL

OUTB Low-state Output Voltage

0.2

0.4

V

VOH

OUTB High-state Output Voltage

0.5

0.31

V

OUTB Rise Time

C-load = 1000 pF

15

ns

OUTB High Side Fall Time

C-load = 1000 pF

13

ns

IOHL

Peak OUTB Source Current

1

A

IOLL

Peak OUTB Sink Current

1

A

OUTSR GATE DRIVER

VOL

0.1

0.2

V

VOH

OUTSR High-state Output

0.25

0.11

V

Voltage

OUTSR Rise Time

C-load = 1000 pF

12

ns

OUTSR High Side Fall Time

C-load = 1000 pF

10

ns

IOHH

Peak OUTSR Source Current

3

A

IOLH

Peak OUTSR Sink Current

3

A

OUTPUT TIMING CONTROL

T1

Delay Leading Range

30

300

ns

T1

Delay Leading Accuracy

75

100

125

ns

T2

Delay Trailing Range

30

300

ns

T2

Delay Trailing Accuracy

75

100

125

ns

T3

Delay Leading Range

30

300

ns

T3

Delay Leading Accuracy

75

100

125

ns

THERMAL

Thermal Shutdown Temp.

150

165

°C

Thermal Shutdown Hysteresis

25

°C

RJA

Junction to Ambient

40

°C/W

RJC

Junction to Exposed Pad

4

°C/W

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