RT9801A/B

4

DS9801A/B-13 April 2011

www.richtek.com

Table 1: Pin Conditions for Programmable Threshold Voltage Setting

RT9801A

RT9801B

VSET0

VSET1

VSET2

5.0

4.0

H

H

H

4.9

3.9

H

H

F

4.8

3.8

H

H

L

4.7

3.7

H

F

H

4.6

3.6

H

F

F

4.5

3.5

H

F

L

4.4

3.4

H

L

H

4.3

3.3

H

L

F

4.2

3.2

H

L

L

4.1

3.1

F

H

H

4.0

3.0

F

H

F

3.9

2.9

F

H

L

3.8

2.8

F

F

H

3.7

2.7

F

F

F

3.6

2.6

F

F

L

3.5

2.5

F

L

H

3.4

2.4

F

L

F

3.3

2.3

F

L

L

3.2

2.2

L

H

H

3.1

2.1

L

H

F

3.0

2.0

L

H

L

2.9

1.9

L

F

H

2.8

1.8

L

F

F

2.7

1.7

L

F

L

2.6

1.6

L

L

H

2.5

1.5

L

L

F

Note : 1. H : Connected to VDD

2. L : Connected to GND

3. F : Floating